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Ningbo Power Hydraulic Motor Co., Ltd.
Ningbo Power Hydraulic Motor Co., Ltd.  

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pilot operated sandwich plate valve 

Price: 10.0~100.0 USD 
Place of Origin: Zhejiang, China (Mainland) 
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Product Detail

Model No.: Z2DB 6VB
Packing: carton
Power: Solenoid
Pressure: High Pressure
Temperature of Media: Others
Brand Name: Power
Production Capacity: 20000pc/month
Delivery Date: 2 weeks
Standard or Nonstandard: Standard
Material: Stainless Steel
Media: Oil

-Sandwich plate valve
- 4 pressure ranges
- 5 circuit options
-With one or two pressure relief cartridges
- 4 adjustment elements

Features of pilot operated sandwich plate valve:
-Sandwich plate valve
- 4 pressure ranges
- 5 circuit options
-With one or two pressure relief cartridges
- 4 adjustment elements:
. Rotary knob
. Sleeve with hexagon and protective cap
. Lockable rotary knob with scale
. Lockable rotary knob

Functional description of pilot operated sandwich plate valve:
Pressure relief valve types ZDB and 22DB are pilot operated and are of sandwich plate design. They are used to limit the pressure within a hydraulic system. They basically consist of the housing (7), together with one or two pressure relief valve cartridges.
The system pressure is set by means of adjustment element (4).
At rest, the valve is closed. Pressure in port A acts on the spool (1). At the same time pressure passes through orifice (2) on to the spring loaded side of spool (1) and via orifice (3) to the pilot poppet (6). If the pressure in port A rises above the value set on spring (5), the pilot poppet (6) opens. Fluid can now flow from the spring loaded side of spool (1), orifice (3), and channel (8) into port T. The resulting pressure drop then moves spool (1), causing this to open connection A to T, while the pressure set at spring (5) is maintained.
Pilot oil from the two spring chambers returns externally to tank via port T.

Section of hydraulic pressure relief valve:
Pilot operated pressure relief Valve, sandwich plate


Ordering details of hydraulic pressure relief valve:
Pilot operated pressure relief Valve, sandwich plate



Symbol: 1=valve side, 2=plate side
Pilot operated pressure relief Valve, sandwich plate


Technical data:
Pressure Fluid
Mineral oil or Phospate ester
Temperature range      ℃
-30~+80
Viscosity range       mm²/s
10~800
Oil contamination level
Recommend a filter with a minimum retention rate of β10≥75
Max. operating pressure   (Mpa)
To 31.5
Max. setting pressure   (Mpa)
to 5\to 10\to 20\to 31.5
Max. flow            L/min
To 60
Weight (kg)
ZDB 6
Approx 1
Z2DB 6
Approx 1.2



Unit dimensions (dimensions in mm)


Type Z2DB6 VC... and Type Z2DB6 VD...
Pilot operated pressure relief Valve, sandwich plate
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Tel: 86-574-87193975
Fax: 86-574-23671688
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Company Info

Ningbo Power Hydraulic Motor Co., Ltd. [China (Mainland)]


Business Type:Manufacturer, Trading Company, Agent, Distributor/Wholesaler, Service
City: Ningbo
Province/State: Zhejiang
Country/Region: China (Mainland)

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