In automotive maintenance, workshop cleaning, machinery servicing, and industrial degreasing, a dependable oil spray gun is more than a simple accessory. It is a productivity tool that helps technicians deliver solvent, cleaning oil, paraffin, kerosene-type cleaning liquids, and other suitable washing media with better control, better reach, and better efficiency. The DO60 Oil Spray Gun is designed for these practical tasks, especially car cleaning and engine cleaning, where dirt, grease, oil film, and dust often collect in narrow spaces that are difficult to clean by hand.

The DO60 belongs to the paraffin gun and washing gun series, a product category created for users who need a strong, convenient, air-powered sprayer for cleaning rather than decorative paint application. Its key specifications are direct and workshop-friendly: G1/4” air inlet, 90 PSI rated pressure, maximum pressure not exceeding 150 PSI, and 600 cc capacity. These figures show a product built around real service conditions. It offers enough capacity for routine cleaning, compatible air connection for common workshop systems, and pressure ratings that suit many professional compressed-air environments.

Compared with many ordinary solvent sprayers and low-cost washing guns, the DO60 is positioned as a durable, efficient, and user-oriented cleaning tool. It is not overloaded with unnecessary complexity. Instead, it focuses on what matters most in a professional washing gun: reliable atomization of cleaning medium, smooth airflow, comfortable handling, practical capacity, and stable performance under compressed-air operation. This balance makes it suitable for automotive garages, repair shops, equipment maintenance areas, metalworking facilities, farm machinery service, fleet maintenance, and general industrial cleaning operations.

The product is supported by the manufacturing strengths of Ningbo Lis Industrial Co., Ltd., a company engaged in the research, development, production, and marketing of air painting spray guns, mini air compressors, and related air tools. With decades of industry experience, large-scale production capability, advanced quality systems, and strong research and development resources, the company provides not only products but also practical spraying and air tool solutions. This background is important because a washing gun’s quality depends not only on its design but also on material control, machining precision, assembly discipline, functional testing, and long-term manufacturing consistency.

DO60 Oil Spray Gun for Car Cleaning Engine Cleaning Solvent Sprayer Cleaner

Product Overview: Practical Design for Engine and Equipment Cleaning

The DO60 Oil Spray Gun is a compressed-air cleaning sprayer intended to apply suitable washing liquids in a controlled stream or spray. It is particularly useful for engine compartments, mechanical parts, underbody areas, tools, metal components, and surfaces where oil, dust, grease, and residue need to be loosened or removed. In many workshops, cleaning is an essential step before inspection, repair, repainting, lubrication, assembly, or quality checking. A tool like the DO60 helps make that step faster and more consistent.

Engine cleaning is a demanding application because engine bays contain different shapes, materials, and obstacles. There are hoses, brackets, metal housings, fasteners, wiring areas, cavities, and surfaces with limited access. Manual wiping alone can be slow and incomplete. A spray gun can direct solvent or cleaning fluid toward the target area, helping to break down contamination and flush away residue. The DO60’s 600 cc cup capacity gives users a useful amount of cleaning medium without making the tool overly heavy.

The G1/4” air inlet is a practical specification because it matches common compressed-air fittings used in many workshops. This improves compatibility and reduces the need for special adaptors. The rated pressure of 90 PSI reflects a familiar working range for many air tools, while the maximum pressure limit of 150 PSI gives users a clear boundary for safe operation. When used with a stable air supply and appropriate regulator, the DO60 can help users maintain consistent spraying performance.

Unlike paint spray guns, which focus on fine finish quality, color transfer, film build, and coating appearance, a paraffin or washing gun is designed mainly for cleaning effectiveness and fluid delivery. The DO60 therefore prioritizes cleaning practicality. It is suited for solvents and cleaning oils compatible with the gun materials and with workplace safety requirements. Operators should always confirm the cleaning liquid is suitable for the equipment, the surface being cleaned, and the workshop environment.

The tool is also compact enough for repeated use. In professional settings, a washing gun may be picked up many times a day for quick cleaning jobs. Good balance, simple connection, and straightforward filling are important. The DO60’s specification profile suggests a product intended for frequent, practical service instead of occasional light-duty use only.

Key Technical Specifications

The following table summarizes the core product data and explains what each specification means for users in real applications.

Item	Specification	Practical Meaning
Product Name	DO60 Oil Spray Gun	Air-powered washing gun for car cleaning, engine cleaning, and solvent spraying applications.
Product Category	Paraffin Guns / Washing Gun Series	Designed for cleaning fluid application rather than decorative coating or fine finishing.
Air Inlet	G1/4”	Compatible with many common compressed-air hose fittings and workshop air systems.
Rated Pressure	90 PSI	Suitable working pressure level for stable cleaning performance in typical air tool environments.
Maximum Pressure	≤150 PSI	Defines the upper safe pressure boundary and supports responsible operation.
Capacity	600 cc	Provides practical fluid volume for engine bay cleaning, parts washing, and routine maintenance tasks.
Carton Size	57 × 44 × 37 cm, 20 pieces per carton	Efficient packing format for distributors, wholesalers, and workshop supply channels.

Why a Dedicated Oil Spray Gun Matters

Some users attempt to clean engines and mechanical parts using simple bottles, open containers, brushes, or makeshift sprayers. These methods can work for very small tasks, but they often lack speed, reach, and consistency. A dedicated air-powered washing gun such as the DO60 helps solve several common problems.

First, compressed air assists in projecting cleaning liquid into difficult spaces. Many greasy deposits form behind brackets, near bolts, around engine housings, and in textured surfaces. A simple hand sprayer may not deliver enough force or reach. The DO60 can use air pressure to support a more active cleaning process, helping users reach areas that would otherwise require repeated manual brushing.

Second, the gun supports better workflow. In a repair shop, time spent cleaning can affect the entire service schedule. If technicians can clean parts faster, they can inspect leaks, identify worn components, prepare surfaces, and complete repairs more efficiently. A reliable washing gun contributes to this workflow by reducing interruption and repeated refilling.

Third, a tool designed for solvent spraying is generally more appropriate than adapting an unrelated device. Paint spray guns, for example, may be too delicate or optimized for coatings rather than washing. Household sprayers may not withstand workshop use. The DO60 is categorized specifically as a paraffin and washing gun, which makes its role clear: apply cleaning fluid in maintenance environments.

Fourth, a consistent sprayer can reduce waste. Poor-quality sprayers may leak, deliver uneven flow, or require excessive fluid to achieve results. While responsible fluid use also depends on the operator, a stable spray gun helps users direct cleaning medium where it is needed. Better targeting can reduce unnecessary consumption and cleanup.

Finally, a professional tool enhances safety discipline. When a workshop uses proper air connections, regulated pressure, compatible cleaning media, and a dedicated sprayer, the cleaning process becomes more controlled. Operators can establish standard procedures for filling, spraying, depressurizing, cleaning, and storing the tool. This is preferable to improvised methods that vary from worker to worker.

Advantages Over Ordinary Competitor Products

The DO60’s advantages come from its practical combination of pressure capability, cup capacity, air connection, manufacturing background, and product category focus. Many competing low-cost washing guns may appear similar at first glance, but differences often become obvious during repeated workshop use. The DO60 is designed to deliver dependable performance for routine cleaning tasks while being supported by a manufacturer with experience in air tools and spray equipment.

Balanced 600 cc Capacity

The 600 cc capacity is an important advantage because it provides a useful balance between operating time and handling comfort. A very small cup may require frequent refilling, interrupting the cleaning process. A very large reservoir may make the gun heavy, especially when operators need to work around engine bays or hold the tool at different angles. The DO60’s capacity is suitable for common cleaning sessions without making the gun unnecessarily bulky.

Common G1/4” Air Inlet

Compatibility is often overlooked until a tool arrives at the workshop. A non-standard air inlet can require adapters, delay use, and create weak connection points. The DO60’s G1/4” air inlet is widely practical for compressed-air systems, making the gun easier to integrate into existing setups. This benefits both professional users and distributors because the product can be supplied to a broad range of markets with fewer compatibility concerns.

Professional Working Pressure Range

The rated pressure of 90 PSI fits the operating range of many air tools. It gives the user enough air energy for cleaning while remaining familiar and manageable. The maximum pressure of 150 PSI provides a clear limit, helping workshops define safe air regulation practices. Some cheaper sprayers may lack clearly stated pressure guidance, which can lead to misuse, inconsistent performance, or premature failure.

Purpose-Built Washing Gun Category

The DO60 is not marketed as a universal tool that tries to do everything. It belongs to the paraffin and washing gun series, which means the product is intended for cleaning applications. This specialization is an advantage because the design priorities are aligned with actual use: solvent delivery, cleaning reach, durability, and simple handling. In contrast, some competitors may sell generic spray devices that are not clearly optimized for engine cleaning or solvent washing.

Manufacturing Consistency

A major difference between professional tools and low-grade alternatives is consistency from unit to unit. A washing gun must have reliable seals, stable air passages, properly formed components, and correct assembly. Ningbo Lis Industrial Co., Ltd. has long experience in spray guns, air tools, compressors, and related accessories. Its production systems include quality control from raw material inspection to final testing. This manufacturing discipline gives the DO60 a stronger foundation than products made without mature process control.

Supplier Strength for Bulk Buyers

For distributors, wholesalers, and procurement managers, product quality is only one part of the decision. Supply stability, packing efficiency, documentation, production capacity, and after-sales communication also matter. The DO60 is packed 20 pieces per carton, with carton size of 57 × 44 × 37 cm, supporting organized logistics and inventory planning. The manufacturer’s large-scale production background and ability to increase capacity help customers manage different order quantities and market demand fluctuations.

Applications in Automotive Cleaning

The DO60 Oil Spray Gun is especially relevant for automotive service. Vehicles collect contamination from roads, lubricants, fuel residue, brake dust, engine heat cycles, and general environmental exposure. A cleaning sprayer can support many workshop tasks.

Engine Bay Degreasing

Engine compartments often accumulate oil mist, dust, and sticky deposits. Before diagnosing leaks, replacing components, or performing restoration work, technicians often need to clean the area. The DO60 can spray appropriate cleaning solvent onto the target surfaces, helping loosen residue before wiping, brushing, or rinsing according to the shop’s procedure.

Parts Cleaning Before Repair

Mechanical parts are easier to inspect and repair when clean. Brackets, housings, covers, small assemblies, and removed components can be treated with solvent using the DO60. This can improve visibility of cracks, wear marks, corrosion, and sealing surfaces.

Preparation Before Painting or Coating

Although the DO60 is not a paint spray gun, cleaning is a vital step before coating. Oil, grease, and dust can reduce coating adhesion. By helping remove contamination, the DO60 supports preparation work before priming, painting, or applying protective finishes with the appropriate equipment.

Fleet Maintenance

Fleet operators maintain many vehicles under time pressure. A simple and dependable solvent sprayer helps standardize cleaning across multiple service bays. The 600 cc capacity can be convenient for repeated small-to-medium tasks, and the compressed-air operation fits existing garage infrastructure.

Motorcycle, Agricultural, and Small Engine Service

Beyond cars, the DO60 can be useful for motorcycles, lawn equipment, generators, compressors, pumps, and agricultural machinery. These machines often have compact or irregular surfaces where dirt and oil collect. A directed cleaning spray can make maintenance more efficient.

Applications Beyond Automotive Workshops

While the product title highlights car and engine cleaning, the DO60’s practical usefulness extends into many other fields where solvent or cleaning oil application is required.

Industrial Maintenance

Factories rely on machines that must be cleaned during maintenance. Bearings, guards, metal frames, machine housings, and tooling areas may collect oil film and dust. A washing gun can assist maintenance teams by applying cleaning fluid quickly and precisely.

Metalworking and Fabrication

Metal fabrication shops often need to remove cutting oil, coolant residue, and handling contamination from workpieces or equipment. The DO60 can be part of the cleaning process before inspection, welding preparation, surface treatment, or storage.

Tool and Equipment Cleaning

Hand tools, pneumatic tools, fixtures, and workshop accessories can become dirty through daily use. A controlled solvent sprayer helps remove grime from surfaces and recesses. Proper drying and lubrication should follow when needed.

Maintenance of Construction Equipment

Construction machines operate in dusty and greasy environments. While large-scale washing may require pressure washers, smaller mechanical areas can benefit from solvent spraying. The DO60 can support targeted cleaning during routine service.

Marine and Outdoor Equipment Service

Marine engines and outdoor equipment often require careful cleaning due to exposure to moisture, salt, oil, and dirt. When used with compatible cleaning media and correct safety practices, the DO60 can help maintain components and improve inspection quality.

Design Features That Support Usability

A good washing gun must be easy to use because cleaning work is often repetitive. The DO60’s design concept is based on straightforward operation. Its air inlet, pressure range, and cup capacity are the core elements that influence daily usability.

The air connection should be secure and convenient. A G1/4” inlet allows connection to typical workshop air lines, helping reduce setup time. Users can connect the gun to a regulated compressed-air source and begin cleaning after filling the cup with an appropriate liquid. Good connection practices are important: fittings should be properly installed, hoses should be checked, and pressure should be adjusted within the recommended range.

The 90 PSI rated pressure gives operators a familiar working point. Many workshops already use regulators set near this range for pneumatic tools. A stable pressure helps maintain more predictable fluid delivery. If pressure is too low, spray effectiveness may decrease. If pressure is too high, the tool may consume more air, create excessive mist, or exceed safe operating recommendations. The stated maximum pressure of 150 PSI helps define the limit clearly.

The 600 cc capacity supports common service tasks. It is large enough for a practical amount of cleaning fluid but small enough for hand operation. This matters because engine cleaning often requires movement around the vehicle, reaching different angles, and adjusting body position. Excessive tool weight can fatigue the operator and reduce precision.

The overall simplicity of the DO60 also reduces training burden. In a busy workshop, a tool should not require complex setup each time it is used. Operators can learn basic procedures: select the correct cleaning medium, fill the cup carefully, connect air, adjust pressure, spray the target area, observe safety precautions, and clean the tool after use.

Material and Manufacturing Considerations

For a solvent sprayer, the quality of materials and manufacturing processes is essential. Cleaning liquids can be demanding, and compressed-air operation places stress on joints, seals, and passages. Even when two spray guns look similar externally, internal quality can differ greatly.

Ningbo Lis Industrial Co., Ltd. has developed its expertise through long-term work in air painting spray guns, air tools, mini compressors, and spraying equipment. This experience is valuable because spray tools require accurate airflow control, proper sealing, suitable surface finishing, and repeatable assembly. A company that understands spray gun manufacturing can apply that knowledge to washing guns such as the DO60.

Raw material inspection is a key starting point. Incoming materials and components must meet required specifications before production. If raw materials are inconsistent, the finished tool may suffer from leakage, poor durability, or unstable performance. A mature manufacturer controls this stage to reduce downstream defects.

Machining and forming processes also affect performance. Air passages must be correctly shaped. Threads must be accurate to ensure reliable connections. Cup fitting areas must be properly produced to reduce leakage risk. Trigger or valve components must move smoothly. Even small deviations can affect how the tool sprays or how long it lasts.

Assembly discipline is another important factor. Seals, fittings, and moving parts must be installed correctly. Over-tightening may damage threads or seals, while under-tightening may cause leakage. Experienced assembly procedures and trained workers help maintain consistency.

Functional testing is crucial. The company emphasizes 100% functional testing and final quality inspection as part of its quality system. For a product such as the DO60, testing can help verify airflow, spray function, connection integrity, and overall usability before shipment. This reduces risk for distributors and end users.

Advanced Company Strength Behind the Product

The DO60 is supported by the broader capabilities of Ningbo Lis Industrial Co., Ltd., an established manufacturer located in Ningbo, China. The company has been active since 1984 and has grown into one of the significant enterprises in the painting spray gun industry in China. Its product range includes spray guns, mini air compressors, air tools, air pipeline accessories, paint tanks, fittings, polishers, spray gun kits, touch-up spray guns, airless spray guns, electric spray guns, and paint sprayers.

This broad product system matters because it reflects deep knowledge of compressed-air technology and spraying applications. A washing gun is not an isolated item; it belongs to a complete environment of air supply, fittings, accessories, maintenance tools, and spraying solutions. A manufacturer that understands this ecosystem can design products that integrate more easily into real workshops.

The company operates with a large production base and more than 400 employees, giving it the scale required for stable supply. Its annual output has reached a substantial level, and its production capacity can be increased to respond to customer demand. For buyers who need regular orders or seasonal supply, this capacity is a practical advantage.

Research and development is another strength. The company has a strong R&D team and can provide OEM and ODM services according to customer drawings, samples, and requirements. This means it can not only manufacture existing designs but also adapt and develop products for different markets. For distributors, this is valuable because regional users may need variations in packaging, fittings, documentation, or product configuration.

The company has established a spraying machinery engineering technology center and has carried out technical cooperation in spraying machinery development and research. Such technical investment supports product improvement, process refinement, and problem solving. For the DO60, this background contributes to a more reliable product platform than generic sourcing without engineering depth.

Quality systems are also central to the company’s strength. The company has passed ISO9001 international quality system certification, OHSAS18001 occupational health and safety system certification, and ISO14001 environmental management system certification. It has also passed European CE and German GS international product certification for relevant products. These certifications show commitment to structured management, safety awareness, environmental responsibility, and product compliance.

The company’s quality philosophy includes control from raw material and incoming inspection to in-process quality control, full functional testing, and final inspection. This whole-process approach is important for maintaining product reliability. In competitive markets, many low-cost products fail not because of the concept but because of inconsistent execution. A strong quality system helps reduce this risk.

Manufacturing Processes That Improve Reliability

Reliable cleaning tools come from reliable processes. The DO60 benefits from a manufacturing culture that emphasizes systematic control. While the exact production details may vary by batch and product structure, the following process principles are especially relevant to this type of air-powered sprayer.

Incoming Material Control

Before production begins, materials and outsourced components should be checked against specifications. This can include dimensional checks, surface condition inspection, thread quality verification, and material suitability. Proper incoming control prevents defective inputs from reaching assembly lines.

Precision Component Production

Spray gun components require accurate dimensions. Air passages, fluid passages, threaded joints, valve areas, and cup connection points must be produced within suitable tolerances. Precision helps the tool deliver stable performance and reduces air or fluid leakage.

Surface Treatment and Cleanliness

Surface quality affects both appearance and function. Burrs, debris, or rough edges can interfere with assembly or cause premature wear. Clean production practices help ensure that internal passages are free from contamination. For solvent spraying tools, internal cleanliness is especially important because debris can affect flow.

Controlled Assembly

Assembly should follow defined procedures. Workers need to install seals correctly, apply suitable torque, check moving parts, and verify fit. This reduces variation between units. For bulk buyers, assembly consistency is essential because customers expect each product in a carton to perform similarly.

Functional Testing

Functional testing confirms that the tool works before it leaves the factory. A washing gun should be checked for air response, spray delivery, leakage, and general operation. Testing helps catch assembly errors or component defects.

Final Inspection and Packing

Final inspection ensures product appearance, labeling, accessories, and packing meet requirements. The DO60’s carton packing format of 20 pieces per carton supports organized shipment. Good packing protects products during transport and helps distributors manage inventory.

Quality Control as a Competitive Advantage

In the air tool market, quality control is often the difference between a product that wins repeat orders and one that causes complaints. The DO60 is backed by a manufacturer that follows a quality system model rather than relying on random final checks alone. This matters for several reasons.

First, quality must be built into the process. If defects are only found at the end, production becomes inefficient and inconsistent. By controlling raw materials, process steps, assembly, and testing, the manufacturer reduces the chance of hidden problems.

Second, air-powered tools require safety awareness. Pressure ratings must be respected, components must be properly assembled, and users must receive clear specification information. The DO60 provides clear pressure data: rated pressure 90 PSI and maximum pressure not exceeding 150 PSI. This helps users operate within defined limits.

Third, consistent quality supports brand reputation for distributors. A distributor selling workshop tools needs confidence that products will not generate excessive returns. A product supported by structured manufacturing and testing is more suitable for long-term market development than a product selected only for the lowest price.

Fourth, quality control supports user trust. Technicians depend on tools every day. If a washing gun leaks, clogs, or fails during a job, it wastes time and damages confidence. A reliable tool helps maintain workflow and encourages repeat purchase.

Operational Guidance for Best Results

To achieve the best performance from the DO60 Oil Spray Gun, users should follow proper operating practices. These practices improve cleaning effectiveness, protect the tool, and support workplace safety.

Before use, inspect the gun for visible damage, loose parts, or contamination. Check that the air hose and fittings are in good condition. Make sure the air supply is clean and regulated. Moisture or debris in compressed air can affect air tool performance, so a proper air filter or water separator may be useful in many workshop systems.

Select a suitable cleaning liquid. The fluid must be compatible with the tool, the surface being cleaned, and local safety regulations. Avoid unknown chemicals, highly corrosive fluids, or liquids that may damage seals or create hazardous vapors. Always follow the cleaning liquid manufacturer’s instructions.

Fill the 600 cc cup carefully. Do not overfill. Wipe away spills and close the container securely. Keep cleaning fluids away from ignition sources, especially if the liquid is flammable. Use appropriate personal protective equipment such as gloves, eye protection, and respiratory protection when required.

Connect the air supply through the G1/4” inlet using proper fittings. Adjust the regulator to the recommended working pressure, typically around the rated pressure of 90 PSI unless the specific task requires a lower setting. Do not exceed the maximum pressure of 150 PSI. Excess pressure can increase mist, waste fluid, and risk damage.

Test spray on a safe area before directing the fluid at the workpiece. This helps confirm flow and allows the operator to adjust technique. During cleaning, keep the nozzle directed toward the target surface. Use short, controlled passes rather than uncontrolled spraying. Allow the cleaning liquid time to loosen deposits, then wipe, brush, or rinse according to the maintenance procedure.

After use, release pressure safely, disconnect the air supply, empty remaining liquid if appropriate, and clean the gun according to the fluid used. Leaving solvent or residue inside the tool may reduce service life. Store the gun in a clean, dry place away from heat, dust, and direct contamination.

Safety Considerations

Any compressed-air solvent sprayer must be used responsibly. The DO60 is a practical professional tool, but safe results depend on correct operation. Users should always wear suitable eye protection because sprayed solvent and loosened debris can rebound from surfaces. Gloves are recommended when handling cleaning liquids. In poorly ventilated areas, respiratory protection or improved ventilation may be necessary.

Pressure safety is essential. Operators should use a regulator and gauge to ensure the air supply remains within the specified range. The maximum pressure is 150 PSI, and this limit should not be exceeded. Hoses and fittings must also be rated for the operating pressure. Damaged hoses should be replaced rather than repaired casually.

Fire safety must be considered when using flammable solvents. Many cleaning liquids can produce vapors that ignite. Work should be performed away from open flames, sparks, welding, smoking, and hot surfaces. Electrical equipment in the area should be appropriate for the environment. Cleaning fluids should be stored in approved containers.

Environmental responsibility is also important. Used solvents, oily residues, and contaminated wipes should be handled according to local regulations. The goal of efficient spraying is not only to clean faster but also to use cleaning media responsibly and reduce unnecessary waste.

Buyer Benefits for Distributors and Workshops

The DO60 Oil Spray Gun offers benefits for both end users and channel buyers. For workshops, the main value is practical cleaning performance. For distributors, the value includes product category demand, packing efficiency, and support from an experienced manufacturer.

Automotive and industrial cleaning tools are recurring-demand products. Workshops frequently need replacement tools, additional units for multiple bays, and dependable accessories. A washing gun with clear specifications is easy to present to customers because its use case is direct: car cleaning, engine cleaning, and solvent spraying.

The carton packing of 20 pieces per carton supports wholesale distribution. The carton size of 57 × 44 × 37 cm helps buyers estimate storage and shipping requirements. Efficient packing reduces handling complexity and supports organized inventory.

For OEM and ODM customers, the manufacturer’s R&D and production capabilities are especially valuable. Customers may request packaging, branding, technical adjustments, or market-specific configurations. A manufacturer with experience in global supply and spraying equipment can better support these requests.

The company’s international market experience also matters. Its products are sold into Europe, North America, the Middle East, South Africa, East Asia, and other regions. This indicates familiarity with different buyer expectations, documentation needs, and quality requirements.

How the DO60 Fits Into a Complete Air Tool System

The DO60 works best as part of a well-organized compressed-air system. A good air system includes an air compressor with adequate output, air hoses in proper condition, regulators, filters, fittings, and safe connection practices. Since the manufacturer also supplies air fittings, accessories, mini compressors, pipeline accessories, spray guns, and related air tools, buyers can consider a more complete sourcing approach.

A clean, stable air supply improves tool performance. Moisture, oil contamination, or pressure fluctuation can affect spraying. Workshops should regularly drain compressor tanks, maintain filters, inspect hoses, and check regulators. These basic practices help the DO60 and other air tools operate more reliably.

Proper accessories also reduce downtime. Quick couplers, thread adapters, replacement seals, and cleaning supplies should be available when needed. A washing gun is often used in dirty environments, so maintenance planning is important. Users who treat it as a professional tool rather than a disposable item can achieve better long-term value.

Q&A Section

Q1: What is the main purpose of the DO60 Oil Spray Gun?

The DO60 Oil Spray Gun is designed for car cleaning, engine cleaning, solvent spraying, and general washing applications. It is used to apply suitable cleaning liquids to greasy, dusty, or contaminated surfaces in automotive and industrial maintenance environments.

Q2: Is the DO60 a paint spray gun?

No. The DO60 belongs to the paraffin gun and washing gun series. It is intended for cleaning fluid application rather than fine paint finishing. For decorative coating or precision painting, a dedicated paint spray gun should be used.

Q3: What air pressure should be used?

The rated pressure is 90 PSI. Users should operate with a regulated air supply and should never exceed the maximum pressure of 150 PSI. Lower pressure may be suitable for some delicate tasks, but performance should be tested safely before full use.

Q4: What is the capacity of the cup?

The DO60 has a 600 cc capacity. This provides a practical amount of cleaning fluid for common engine bay cleaning, parts washing, and maintenance tasks while keeping the tool manageable for hand operation.

Q5: What type of air inlet does it use?

The air inlet is G1/4”. This is a common connection size in many compressed-air systems, making the tool convenient for workshops that already use standard air hoses and fittings.

Q6: Can it be used for industrial equipment cleaning?

Yes, it can be used for many industrial cleaning tasks when the cleaning liquid is compatible with the tool and the surface being cleaned. It is useful for machinery maintenance, tool cleaning, metalworking residue removal, and equipment servicing.

Q7: What makes the DO60 different from cheap washing guns?

The DO60 combines practical specifications, a dedicated washing gun design, common air connection, useful 600 cc capacity, and support from an experienced manufacturer with structured quality control. Many low-cost alternatives may lack consistent assembly, clear pressure guidance, or reliable supply support.

Q8: What safety precautions are important?

Users should wear eye protection, gloves, and suitable respiratory protection when required. The air supply must be regulated, the maximum pressure must not be exceeded, and flammable solvents must be kept away from ignition sources. Used cleaning fluids should be handled according to local regulations.

Q9: How should the gun be maintained after use?

After use, the air supply should be disconnected safely, remaining liquid should be emptied if appropriate, and the gun should be cleaned according to the cleaning medium used. The tool should be stored in a clean, dry place to reduce contamination and corrosion risk.

Q10: Is the DO60 suitable for bulk purchasing?

Yes. The product is packed 20 pieces per carton, with a carton size of 57 × 44 × 37 cm. The manufacturer’s production capacity, quality system, and experience in global markets make it suitable for distributors, wholesalers, and professional supply channels.

Conclusion: A Practical Cleaning Tool Backed by Strong Manufacturing

The DO60 Oil Spray Gun is a focused, practical, and workshop-ready tool for engine cleaning, car cleaning, solvent spraying, and maintenance washing. Its 600 cc capacity, G1/4” air inlet, 90 PSI rated pressure, and maximum pressure limit of 150 PSI make it well suited to common compressed-air environments. It offers a useful balance of capacity, compatibility, and operating control.

Its advantages over ordinary competitor products come not from unnecessary complexity but from practical engineering and manufacturing reliability. It is designed for washing applications, supported by a manufacturer with long experience in spray guns and air tools, and produced under a quality-focused system that includes material control, process inspection, functional testing, and final quality checks.

For workshops, the DO60 helps speed up cleaning, improve access to difficult areas, and support better maintenance workflow. For distributors and bulk buyers, it offers clear specifications, efficient packing, and the backing of a capable manufacturing partner. In a market where many cleaning tools look similar, the difference lies in consistency, usability, pressure clarity, and supply confidence. The DO60 is built around those practical values.

References

1. Compressed Air and Gas Institute. Compressed Air System Best Practices Manual.

2. International Organization for Standardization. ISO 9001 Quality Management Systems: Requirements.

3. International Organization for Standardization. ISO 14001 Environmental Management Systems: Requirements with Guidance for Use.

4. Occupational Health and Safety Assessment Series. OHSAS 18001 Occupational Health and Safety Management Systems.

5. Society of Automotive Engineers. Recommended Practices for Automotive Maintenance and Service Tools.

6. Industrial Spray Equipment Handbook. Principles of Air Atomization, Fluid Delivery, and Spray Tool Maintenance.

Product: DO60 Oil Spray Gun for Car Cleaning Engine Cleaning Solvent Sprayer Cleaner