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ZL20-* series  hydraulic multiple directional control va  e 1
  • ZL20-* series  hydraulic multiple directional control va  e 1

ZL20-* series hydraulic multiple directional control va e

Origin:Made In China
Category:Industrial Supplies / Machine Hardware / Hydraulic Parts
Label:Hydraulic va e , multiple directional , control va e
Price: US $220 / pc
Min. Order:1 pc
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Member Information


Sichuan Changjiang Hydraulic Component Co.,Ltd

Free MemberSi chuan - China
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Last Online:24 May, 2016

Product Description

 Z series excavator hydraulic control va e


   The Z series multiple directional va es are several direction va es and a variety of additional safety va e and va e combination of the blocks combination va e may require a combination of parts work for even less than 10 multi-va e blocks. It has a high-pressure work, compact, good safety performance, high reliability and general good and so on. This series of multi va e is all each joint with a one-way va e. According to the needs of the user, Can be installed the overload va e and oil charge va e between the any one of the working channel and backing channel. Can be composed of parallel, serial or parallel strings oil complex, and there are a variety of sliding va e function, positioning, reduction and control methods may also make use of the bridge body to the mouth of oil or other external agencies to provide oil to meet a wide range A host of different needs.It is mainly used for the following ZL40 loader and multi-loaders, excavators, and other small-scale engineering machinery hydraulic system, also used for hoisting and conveying machinery, mining machinery, agricultural machinery or other mechanical hydraulic system, the multi - In executing agency of centralized control.


  Improved smooth flow way with great capacity of small pressure loss, oil, fine micro performance,easy in operation, small leakage (inner hole of high precision, high safety va e opening and closing properties.


Z L 15 H - O 4 T . M 6 T ... ... J - Zx

Model Model code
Z Multiple directional control va e
L Thread connection



H Pressure grade and inlet and outlet positions(see table1)
O Spool function and oil circuit mode
4 A,Auxiliary va es on port A and port B
T Control and positioning and returning modes
M See table
6  See table
T  See table

Oil returning mode:

(Omitted)-Outlet va e body

J-Interim va e block



See in outline drawing


Model Nom,Dia Nom.pressure Nom.flow Allowable back pressure Working oil Weight
Temp.range(℃) Visc.range(mm2/s) Filtrating accurancy(um) One piece Two pieces

N pieces

ZL15 15 31.5 63 ≦25 -20~+80 10~400 ≦10 12.4 17.7 7.1+5.3n
ZL20 20 100 20 27.5 12.5
ZL25 25 160 29.2 42.8 15.6+13.6n
Model Nom.Dia(mm) Pilot pressure(Mpa) Pressure range of relief va e,overload va e or secondary pressure va e(Mpa) Opening pressure of the make-up va e(Mpa)
ZL15 15 0.5~2.5 4~16 6~20 8~25 10~32 ≦0.2
ZL20 20
ZL25 25

Payment Terms:TT

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Sichuan Changjiang Hydraulic Component Co.,Ltd

4th section of JIugu road,Luzhou,Sichuan,China

Cindy Wang (Sales manager)

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