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Rubber Lined Diaphragm Valve Manufacturers

Rubber Lined Diaphragm Valve

Its opening and closing part is a piece of diaphragm made of soft material, the valve body cavity and the valve cover cavity and drive parts are separated, so called diaphragm valve.

Series - PN10 - PN16

The most prominent feature is that the diaphragm is separated from the lower valve body cavity and the upper valve cover cavity, so that the stem, disc and other parts located above the diaphragm are not corroded by the medium, eliminating the packing sealing structure, and will not produce media leakage.

Design Features
  • Rubber & PTFE lined diaphragm valve is ideally suited for shut-off, flow control and throttling of corrosive process media in either liquid or gaseous state
  • Its main features are heavy-duty, robust construction, maintenance-free, easy replacement of components on site.
  • Convenient, flexible and accurate open or close
  • Smooth flow channel, small flow resistance, So you can get a larger flow
  • It is not applicable for diaphragm used in medium with hard particles, which will cause diaphragm damage and leakage
  • Body cavity surface is rubber, corrosion resistant
Product Specifications
  • Size 1/2″-16″ DN15-DN400
  • Pressure Class PN10-PN16
  • End Connection Flange (FF, RF), BSPT, NPT
  • Body Material Cast Iron, WCB, CF8, CF8M
  • Disc Material CI, WCB, SS304, SS316
  • Diaphragm Material NR, NBR, EPDM
  • Lined Material NR, NBR, EPDM
  • 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 Type, Through Way Type, Oblique, 3 Way
    Connection Standard
  • Flange Drilling: GB4216, JB78, BS 4504, ANSI B 16.5
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