Pharmach Engineering India Pvt Ltd

Valve Manufacturers


Weir Type Diaphragm Valve Manufacturers

Weir Type Diaphragm Valve

The weir type diaphragm valve has its two ports in line with each other on the opposite sides of the valve, whereas the weir type has the in/out ports located at a 90 degree angle from one another. The weir type is the most common in process applications and more commonly used as a tank bottom valve.

Series - 150 | PN10-PN16

Design Features
  • It can sustain any corrosive medium in addition to the molten alkali metals and fluorine elements.
  • It is ideal products used in chlor-alkali, industrial in organic chemicals, metal and mining, nitrogen and phosphatic fertilizers, petroleum refining, pharmaceutical etc
  • It is not applicable for diaphragm used in medium with hard particles, which will cause diaphragm damage and leakage
  • The working temperature cannot exceed the specified range
  • Open the diaphragm too frequent will influence the sealing performance
Product Specifications
  • Size 1/2″-16″ DN15-DN400
  • Pressure Class "150" | PN10-PN16
  • End Connection Flange (FF, RF), BSPT, NPT
  • Body Material Cast Iron, WCB, CF8, CF8M
  • Disc Material Cast Iron, WCB, SS304, SS316
  • Diaphragm Material NR, PTFE, FEP, PFA
  • Lined Material NR, PTFE, FEP, PFA
  • Design Standard GB 12239, BS5156
  • Face to Face Standard JB 1688, GB/T 12221, BS 5156
  • Test Standard API 598, JB/T 9092, GB/T 13927
  • Temperature Range -20℃~180℃
  • Actuator Options Manual, Pneumatic, Electric
    Structure Style
  • Weir Pattern
    Connection Standard
  • Flange Drilling: GB4216, JB78, BS 4504, ANSI B 16.5