DA20 Pilot Operated Unloading Valve

9 month ago

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Huaian Hy-waloil Machinery Co.,Ltd

 2 year year

Product details

Product Description: DA20 Series Pilot-Operated Unloading Valve

The DA20 series pilot-operated unloading valves are designed for bottom plate mounting and are ideal for oil circuit block installations. These valves offer a range of control elements and pressure ranges, ensuring precision and adaptability in various hydraulic systems.

Installation position	Optional
Diameter	10	25	32
DA Series Weight(kg)	2.6	6.6	12.3
Max/Working pressure Port A (Mpa)	Up to 31.5
Max Flow used for 10% (L/min)	40	80	120
Max Flow used for 17% (L/min)	60	120	240
Fluid of oil	Mineral oil(HL, HLP) DIN51 521, Phosphate Ester(HFD-R)
Temp Range of Oil (℃)	-30~+80(Used for butyl rubber sealing ring)， -20~+80 (For fluoro rubber seal ring)
Viscosity Range (m㎡/s)	10~800

Key Features:

Mounting Type: Bottom plate installation for easy integration into existing hydraulic setups.
Control Elements: Available with a knob, an adjustment bolt with protective cover, a lockable knob with scale, and a knob with scale for precise control.
Pressure Ranges: Four different pressure ranges to suit a variety of applications.
Sizes: Offered in sizes from 10 to 32, accommodating a wide range of flow requirements.
Pressure Rating: Capable of withstanding pressures up to 31.5Mpa for demanding high-pressure applications.
Flow Capacity: Designed to handle flow rates up to 600L/min, ensuring efficient operation even under heavy loads.
Functions: Effective for charging accumulators or enabling low-pressure pump unloading in high/low pressure pump systems.
Installation Tips: (1) Minimize the connection resistance between the DA valve and the accumulator. (2) For large pump flows or low pressure differentials (10%), the Y-type connection is recommended.

Applications:

The DA20 series is suitable for a variety of hydraulic systems, including industrial machinery, mobile equipment, and heavy-duty applications where precise pressure regulation and efficient energy management are required.

Why Choose the DA20 Series?

Customization: Multiple control elements allow for tailored operation to fit specific needs.
Reliability: Engineered to withstand high pressures and deliver consistent performance.
Efficiency: High flow capacity ensures optimal performance under various load conditions.
Safety: Lockable control elements prevent unauthorized adjustments.
Versatility: Suitable for a wide range of hydraulic system configurations and applications.

For more information on the DA20 series or to discuss your specific hydraulic system requirements, please contact us. We are dedicated to providing high-quality hydraulic components and expert technical support.

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Huaian Hy-waloil Machinery Co.,Ltd

 Audited supplier

2 year

Address: Huaian, China

Main Product: Hydraulic Control Valve, Power Unit, Counterbalance Valve , Hydraulic Lock, Gear Pump, Solenoid Valve

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