- ZHENGZHOU FREE FLUID CONTROL TECHNOLOGY CO.,LTD
- China Manufacturer with main products:Ceramic valve ,Ceramic lined composited pipe ,Ceramic lined ball valve ,Ceramic lined gate valve ,Ceramic lined double disc gate valve ,Ceramic lined knife gate valve ,Ceramic lined rotating disc gate valve ,Ceramic lined butterfly valve ,Pneuamtic gate valve ,Butterfly valve ,Check Valve ,Fluorine lining valves
Home > Products > Safety Valve > UPVC PVDF PVC Back Pressure Safe Relief Valve
UPVC PVDF PVC Back Pressure Safe Relief Valve
- 200 Set / Sets per Month
- Shanghai Port
- T/T L/C D/P D/A
- 25 days
Product Details
Brand Name: | FREE-VALVE | Place of Origin: | China | Model Number: | 18620 |
Material: | Casting | Application: | General | Structure: | Safety |
Standard or Nonstandard: | Standard | Pressure: | Medium Pressure | Power: | Manual |
Port Size: | 1. DN15~DN65 | Media: | Water | Temperature of Media: | Medium Temperature |
Product Description
FREE-VALVE’s UPVC back pressure safe relief 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 .
The combination use of plastic back pressure valves and pulse dampers has the following 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.
Features
1. Spring diaphragm type structure, the pressure is adjustable.
2. The part that contacts with the medium only include the bottom valve body and the diaphragm; the bottom valve body and the diaphragm seal processing has the sealing bar, make sure the good sealing effect and higher sensitivity .
3. The diaphragm adopts EPDM , which has good sealing effect and long service life.
Technical Specification
1. Size Range: DN15~DN65
2. Pressure Range: PN10
3. Connection Type: Flange,thread,weld
4. Body material:UPVC
5. Pressure test:GB/T12243
6. Design standard: GB/T12241,GB/T12243
7. Service temperature:-20°C to 55°C
Application
FREE-VALVE’s UPVC back pressure safe relief valve is widely used in chemical industry, water treatment, laboratory, corrosive liquid, ordinary gas and other fields.
Price terms:FOB,CIF,FCA,CFR
Price:100-5000USD/set
Origin:China
Delivery time:30days
Wechat:FreeValve
Email:sales@free-valve.com ,marketing@free-valve.com
Contact Us
- ZHENGZHOU FREE FLUID CONTROL TECHNOLOGY CO.,LTD
- Contact nameDavid Li Chat Now
- Phone86-371-55019379
- AddressCuizhu road Zhengzhou,Henan
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