Home > Category > Conventional GGC Valve  > 4'' A351 CN7M 150LB RF gate valve
Browse Categories
Pressure Seal GGC Valves
Forged Steel Valves
Conventional GGC Valve
Control valve
Soft seal butterfly valve
Metal Seal Butterfly Valve
Metal Sealed Ball Valve
Trunnion Mounted Ball Valve
Casting Steel Floating Ball Valve
Forged Steel Floating Ball Valve
Double Block and Bleed Valve
Y type Strainer
Cryogenic valve
Bellow sealed Valves
Axial Flow Check Valve
Wafer Check Valve
Certifications
Contact Us
Cowinns Industry Equipment Co.,Ltd
No.127 Room No.748 Changjiang Road,High-Tech District,
Suzhou City, Jiangsu Province, zip:215128 China
Tel:+86 512 6878 1993 
Fax:+86 512 6818 4193
Mob&what's app:+86 153 0620 9257 
Email:info@cowinns.com
www.cowinns.com
Contact Now
News

The difference between DBB, DIB-1, DIB-2

Two types of seat sealing structures commonto trunnion mounted ball valves. 1. Double block and bleed valve A valve with two valve seat sealing pairsc...

Introduction to PID Diagram Knowledge of Valve Industry

Introductionto PID Diagram Knowledgeof Valve Industry PID diagram is thetechnical core of factory production. Whether it is an engineer from a designi...

Gaskets Are Not Created Equal

Gaskets are near the bottom of the food chain of valve components; trim, body materials and packing seem to get a lot more press. But gaskets serve an...

True Meaning of Double Block and Bleed

It’s time to do maintenance ona section of process. You don't want to shut down the entire facility, so youdecide to block off and depressurize just ...

Why PTFE-Lined valves should be cossetted

“Every day is a learning opportunity”, is a saying which is often heard here in the Valve World editorial department. After all, the valve industry is so diverse, and the number of applications so huge, that no-one (and certainly not a humble editor!) can possibly hope to know everything.

LNG: Significant opportunities for cryogenic valves

Quenching the world’s thirst for energy while mitigating climate change and air pollution is one of the greatest challenges of the 21st century. Natu...

VELAN VTP-2000 Ball Valve

A high performance ball valve with an affordable price Velan Inc., a leading manufacturer of high quality industrial valves for a broad range of indus...

Valve maintenance on its way to the cloud

Edited by Constanze Schmitz, Analyst ARC Advisory Group Europe ___ In the process industries, one of the most important, yet often over-looked assets,...

18''RF WCB Butterfly valve

Customized top connection dimensions 18'' RF WCB butterfly valve  supplied to power plant service for high temperature steam pipeline 

China (Shanghai) International Fluid Machinery Exhibition (2)

China (Shanghai)International Fluid Machinery Exhibition (2) The China(Shanghai) International Fluid Machinery Exhibition is one of the mostsignifican...
4'' A351 CN7M 150LB RF gate valve

4'' A351 CN7M 150LB RF gate valve

  • Valve type: Gate valve
  • Port size:4'
  • Pressure:150LB
  • Material:A1351 CN7M
  • End: RF (raised face flange)
  • Operation: Hand wheel
  • Application: Chemical plant
  • Medium temperature: normal
Product description:
API 600 design standard
RF OS&Y, Rising Stem
Casting gate valve body
Long thread stem nut prolongs thread life and permits the removal of hand wheel in the fully open position
Spacer ring in conjunction with packing is used in gate valves of 300 class and above while 150-class valve is
only fitted with packing; packing with lantern ring is available upon customer request.
Flexible graphite gasket used for 150 Class gate valve, spiral wound gasket for Class 300 & 600 valves and
metal ring gasket for gate valves of 900 or greater Class(600 Class is obtainable if customer requires)
Integral guide inside body keeps wedge self-centered during valve opening and closing
Flexible wedge is able to compensate for seat surface distortion and body deformation caused by piping stress.
Blowout retention design: the tapered backseat face firmly contacts backseat of bonnet
The strength of bonnet-wedge connection exceeds that of bonnet thread root.
Renewable seal welded seats with stellite 6 are standard design while screwed-in seats are optional


Cowinns Industry Equipment Co.,Ltd

PDF Show:PDF

Send Inquiry
captcha