Quick Change Systems

Your Professional Quick Change Systems Supplier

We are a certified manufacturer of mud pumps, plunger pumps, and fracturing pumps, supplying complete pump systems, accessories, and centrifuges for oil drilling, mining, and industrial use. With API 7K and ISO 9001 certification, advanced CNC machining, and full in-house testing, we deliver reliable equipment for high solids, high pressure, and harsh environments. Our products are widely applied in oil & gas drilling, mining slurry transport, environmental engineering, and high-pressure fracturing operations.

Quality Control
Multi-axis CNC machining and complete testing systems ensure consistent quality, verified performance, and full traceability for every critical component.

Global Market Experience
Strong performance in North America, Russia, and the Middle East supports reliable supply and service.

High-Quality Service
From pre-sales engineering analysis to installation, training, and after-sales maintenance, we help customers reduce risk, improve uptime, and extend equipment service life.

Parameter

Natural parameter	Specifications
Systematic name	MISSION BLAK-JAK TORQUE PRO
System type	No-hammer valve cover quick-change system
Operational principle	Hydraulic drive-mechanical lock
Driving forces	Special hydraulic wrench
Locking mechanism	Turn the locking ring a quarter of a turn
Typical replacement time	<2 minutes
Compatibility	Standard OEM valve cover andMISSION "L" type valve plug
Installation requirements	No modifications to the hydraulic cylinder module are required (plug and play)
Critical material	High strength forged alloy steel
Occupation standard	Meet or exceed the API 7K specification

Types of Quick Change Systems

The quick change systems produced by our company mainly include the following types:

DL Safe-Set Hammerless Liner Retainer

The technical essence of the Blak-JAK system lies in its innovative dual safeguard mechanism, which is coordinated by the Hydra-CEL hydraulic tension device and the Lok-CEL mechanical locking device to achieve the perfect separation and combination of "precise force application" and "absolute locking".

DL Safe-Set Self-Align Piston Rod

The HydrA-LIGN piston rod assembly is a multi-component precision combination that introduces a "flexible" connection point between the piston rod and the pony rod (Pony Rod) that allows for small angular and radial displacements.

DL Safe-Set Hydraulic Torque Wrench

The Black-Jak TORQUE PRO system delivers a clear and compelling value proposition: Through advanced engineering design, it ensures safer, faster, and more reliable valve cover maintenance for hydraulic systems in mud pumps than any traditional method or competing solutions.

Advantages of Quick Change Systems

Minimize Downtime
With quick change systems, you can switch between different setups swiftly, reducing downtime and keeping your production running smoothly.

Increase Productivity
By streamlining changeovers, you can produce more in less time, increasing your overall productivity.

Improve Flexibility

Quick change systems allow for easy adjustments, enabling you to respond quickly to changes in production demands or product variations.

Enhance Quality

Faster changeovers mean less room for error, leading to improved product quality and consistency.

Boost Cost-Efficiency

With reduced downtime and increased productivity, quick change systems can help lower operational costs and improve your bottom line.

Applications of Quick Change Systems

Maximum Pressure Drilling (MPD)

MPD operations require precise wellbore pressure control within a narrow pressure window. Any equipment downtime caused by maintenance could disrupt this delicate balance. Quick Change System's rapid replacement capability compresses the maintenance window to its minimum, ensuring the integrity of the closed-loop system and maintaining continuous operations – a critical safeguard for successful MPD implementation.

High-pressure fracturing and acidizing operations
These processes involve pumping fluids containing abrasive proppants or corrosive acids at extreme pressures. This causes significant wear on vulnerable components in mud pumps. The Quick Change system not only withstands high pressure but also features rapid-change pistons, enabling crews to swiftly address wear issues and minimize costly downtime for fracturing pump teams.

Cementing Operations
Cementing serves as the critical step ensuring a well's lifelong integrity. Any interruption during cementing may lead to premature slurry solidification or poor cement bond quality, resulting in irreversible consequences. Quick Change System's high reliability guarantees continuous and stable cementing pumping processes, providing a solid foundation for achieving high-quality annular isolation in the wellbore.

Deepwater and harsh environment drilling
In deep water and remote areas, logistical support is challenging and operational costs are extremely high. The Quick Change system significantly reduces reliance on spare parts inventory and specialized maintenance personnel by extending component lifespan, reducing maintenance frequency, and simplifying maintenance procedures, thereby effectively controlling total operating costs.

Storage Precautions for Quick Change Systems

Temperature

Ideal range is generally 32°F to 104°F (0°C to 40°C), avoiding sudden shifts that cause condensation.

Humidity

Keep low (<80%) to prevent rust; use desiccant packets in sealed containers if needed.

Ventilation, Pests

Ensure good airflow and protect from dust/critters with covers that don't block vents.

Ordering Process

Inquiry - quotation - communication - order confirming - deposit payment - production - testing and debugging - balance payment - packing - delivery - customer receiving - after service.

Packaging and Shipping

Packaging	Standard export plywood case or carton.
Shipping	DHL, TNT, UPS, FEDEX, and EMS, SF. Air and sea transportation are also supported.

Our Factory

Shijiazhuang Dong Li Petroleum Machinery Co., Ltd. (DLSY) was founded in 2008 and is headquartered in Shijiazhuang, Hebei Province, China.

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Our Certificates

FAQ

Q: Is a DL safe-set hydraulic torque wrench easy to operate?

A: Yes, a DL safe-set hydraulic torque wrench is designed for simple operation. It connects to a hydraulic pump, and the operator sets the required pressure. The DL safe-set hydraulic torque wrench delivers controlled torque with minimal effort. Clear markings and stable structure make it easy for both experienced and new users.

Q: What materials are used in a DL safe-set hydraulic torque wrench?

A: A DL safe-set hydraulic torque wrench is usually made from high-strength alloy steel. This material provides durability, wear resistance, and long service life. The DL safe-set hydraulic torque wrench is built to withstand high pressure and harsh environments, ensuring reliable performance during heavy-duty bolting tasks.

Q: Can a DL safe-set hydraulic torque wrench be used outdoors?

A: Yes, a DL safe-set hydraulic torque wrench is suitable for outdoor use. It is often used on job sites such as pipelines, wind towers, and construction areas. The DL safe-set hydraulic torque wrench is designed to resist dust, moisture, and temperature changes when used with proper maintenance.

Q: Does a DL safe-set hydraulic torque wrench require much maintenance?

A: A DL safe-set hydraulic torque wrench requires basic maintenance such as cleaning, lubrication, and seal inspection. Regular checks help prevent leaks and wear. Proper care ensures the DL safe-set hydraulic torque wrench maintains accuracy and performs reliably over a long period.

Q: Can one person operate a DL safe-set hydraulic torque wrench?

A: Yes, one person can operate a DL safe-set hydraulic torque wrench in most cases. The hydraulic system reduces physical effort. This allows the operator to control the DL safe-set hydraulic torque wrench safely and efficiently, even when working with large or tight bolts.

Q: Can a DL safe-set hydraulic torque wrench loosen seized bolts?

A: Yes, a DL safe-set hydraulic torque wrench is effective for loosening seized or rusted bolts. Its high and steady torque helps break resistance. This makes the DL safe-set hydraulic torque wrench valuable for maintenance, repair, and shutdown operations.

Shijiazhuang Dongli Petroleum Machinery Co., Ltd. is one of the most professional quick change systems manufacturers and suppliers in China, featured by quality products and low price. Please rest assured to buy CE approved quick change systems made in China here from our factory. Contact us for quotation.