Plastic Back Pressure Release Valve

Product Details
Customization: Available
Media: Water
Standard: Pn10,Pn16
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  • Plastic Back Pressure Release Valve
  • Plastic Back Pressure Release Valve
  • Plastic Back Pressure Release Valve
  • Plastic Back Pressure Release Valve
  • Plastic Back Pressure Release Valve
  • Plastic Back Pressure Release Valve
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Basic Info.

Temperature
Low Temperature
Connection
Thread
Pressure
Adjustable
Closed
Semi-Closed
Structure
Spring
Material
Plastic
Body
UPVC,CPVC,PVDF,Pph
Ftf
According to Manufacture
Certificate of Origin
China Customs Authorization
Brand
Ourselves or OEM
Transport Package
Wooden
Specification
DN15~DN65
Trademark
FREE-VALVE
Origin
China
HS Code
8481809000
Production Capacity
200 Set/Month

Product Description

FREE-VALVE plastic  back pressure valve  is installed in the line of positive pressure discharge of metering pump,its function is to prevent siphon phenomenon occur.Removing the protective cap on the adjusting screw on site, then rotating and adjusting screw , the required pressure will be got by adjusting pressure gauge in the pipeline. Back pressure will be set within the range of 0-0.6 MPa by adjusting screw .
Plastic Back Pressure Release Valve
Plastic Back Pressure Release Valve

Advantage :
  1. It reduces damage to the system by water hammers, so that the system will achieve superior low vibration effect.
  2. It will keeping a certain constant pressure from the pump outlet port to the back pressure valve.
  3.  Keep the system flow rate is constant.
  4.  Keep the stability of system pressure.
Technical Specification
1 Size Range DN15~DN65
2 Nominal pressure Class 150 /PN10/PN16
3 Applicable Temperature 0~120ºC
4 Connection Type Flange ,Union
5 Body material RPP, PVDF, CPVC, UPVC
6 Pressure test GB/T13927, API598
7 Face to Face GB/T12221, ASME B16.10
APPLICATION TEMPERATURE BOUND LIST
Material Medium temperature,°C Material Medium temperature,°C
CPVC -20°C~+95°C UPVC 0°C~+65°C
FRPP -14°C~+90°C PPH -20°C~+110°C
PVDF -40°C~+150°C    
Plastic Back Pressure Release Valve
Main outline and connection dimensions
DN PN L D d H
DN15 PN10 166 82 20 154
DN20 170 82 25 173
DN25 212 107 32 173
DN32 226 107 40 173
DN40 292 148 50 225
DN50 305 148 63 225
DN65 390 148 75 225


Application

FREE-VALVE plastic safety valve is widely used in chemical industry, water treatment, laboratory, corrosive liquid, ordinary gas and other fields.
Plastic Back Pressure Release Valve

 

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