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DA/ DAW 30 Series Pilot Operated Unloading Valves

Product Detail Basic Info · Model NO.: DA-10 · Certification: ISO, CE · Valve Seat: Single-Seat · Material: Cast Iron · Trademark: HISTAR · Transport Package: Carton Box · Specification: CE, ROHS · Origin: China · HS Code: 8486909000 Product Description DA series pilot operated unloading valves...

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Product Detail

Basic Info

· Model NO.: DA-10

· Certification: ISO, CE

· Valve Seat: Single-Seat

· Material: Cast Iron

· Trademark: HISTAR

· Transport Package: Carton Box

· Specification: CE, ROHS

· Origin: China

· HS Code: 8486909000


Product Description

DA series pilot operated unloading valves and DBW series solenoid operated unloading valves are used to unload the oil pumps's pressure in a hydraulic system with accumulator. The valve allows high-pressure pumps to operate and low-pressure pump to unload pressure.


Technical specification:

Liquid medium

Mineral Hydraulic Oil (nitrile rubber seal or fluororubber seal)

Phosphate Oil ( fluororubber seal)

Oil temperature Fluctuation Range

-20 to +80(fluororubber seal)

-30 to +80 (nitrile rubber seal)

Oil Viscosity range   mm2/s

10 - 800

Oil Cleaness

NAS1628  9 GRADE, IS04406  20/18/15 GRADE

Switch the pressure rang (T to A)

Within 17%

Input pressure inlet (P to T unloading) Mpa

~ 35

Set pressure   Max.  Mpa

5;10;20;31.5;

Min.   Mpa

Associated with flow rate

Size

10

25

32

Max. flow rate  l/min

40

100

250

Weight DA   kg

3.8

7.7

13.4

DAW           kg

4.9

8.8

14.5

Mounting place

Optional

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If the cheap da/ daw 30 series pilot operated unloading valves caters to your requirement, welcome to place an order with our factory. We are one of the leading manufacturers and suppliers in China. Low price, timely delivery and satisfactory service can be assured.

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