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Pilot operated Check valve

Min. Order: 20 pc
Payment Terms: L/C, T/T, WU
Supply Ability: 10000pc/month
Place of Origin: Zhejiang

Company Profile

Location: Ningbo, Zhejiang, China (Mainland)
Business Type: Manufacturer, Trading Company, Agent, Distributor/Wholesaler, Service
Main Products: Hydraulic Orbit Motor, Piston Hydraulic Motors, Rexroth Pump Part, A10V Pumps, Auto Hoist Power Units

Product Detail

Model No.: Z2S 6
Means of Transport: Ocean, Land
Power: Hydraulic
Standard or Nonstandard: Standard
Pressure: High Pressure
Structure: Check
Material: Stainless Steel
Temperature of Media: Normal Temperature
Media: Oil
Weight: 0.8kg
Cracking pressure: 0.15Mpa
Max. flow: 60L/min
Operating pressure: up to 31.5Mpa
Viscosity range: 2.8~500mm²/s
Production Capacity: 10000pc/month
Packing: Carton
Delivery Date: 20days
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Product Description

Functional description, section

Hydraulic pilot operated check valves type Z2S
are of sandwich plate design.
They are used for the leak-free closure of one or two service ports, even for long periods of time. Free flow occurs from A1 to A2 or B1 to B2. F/ow in the opposite direction is blocked. In order to ensure correct closing of the valve, the service ports of the directional valve must be connected to tank in the neutral position.

Ordering details
Pilot operated Check valve

Technical data
Size
6
10
16
22
Max. flow            L/min
To 60
To 120
To 200
To 360
Operating pressure   (Mpa)
To 31.5
Cracking pressure    (Mpa)
0.15
0.15
0.3
0.6
0.25
0.25
Direction
from A1 to A or B to B1
from B1 to B or A1 to A
Area ratio
A1/A2=1:3
A1/A2=1:2.86
A1/A2=1:11.8
A1/A2=1:13.6
A3/A2=1:11.45
A3/A2=1:2.8
A3/A2=1:2.8
Pressure Fluid
Mineral oil or Phospate ester
Temperature range      ℃
-30~+80
Viscosity range       mm²/s
2.8~500
Weight                kg
0.8
2
7
11.7


Unit dimensions: (Dimensions in mm)

Size6    
Pilot operated Check valve                                                                                     
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