• PFA lined Weir-type diaphragm valves
  • PFA lining diaphragm valves

PFA Lined Diaphragm Valve


  • Available dimensions: 1/2" to 4" / 15A~100A
  • Operating temperature: -30oC to +120oC
  • Full bore diaphragm valves
  • Stem machined of 316 material
  • Body, bonnet and compressor of precision casting material 
  • PFA lining fluoroplastics
  • Stem protected by NBR/  VITON O-ring 
  • 15KV spark testing
  • PFA diaphragm combined with high strength EPDM diaphragm
Standard ANSI 150LB PN 16 JIS 10K
Size 1/2"~4" DN15~DN100 15A~100A
Body ASTM A351-CF8+PFA ASTM A216 Gr.WCB+PFA 1.4308+PFA 1.0619+PFA SCS13A+PFA SCW410 + PFA
Bonnet ASTM A351-CF8 ASTM A216 Gr.WCB 1.4308 1.0619 SCS13A SCW410  
Stem SS 304 SS 304 SS 304
Hand wheel ASTM A351-CF8 1.0619 SCW410
Diaphragm PTFE PTFE PTFE
  • Available for working in occasions of corrosive gas
  • Investment casting stainless steel lined with PFA (perfluoroalkoxy) with the transfer molding method to reach long-term service life. 
  • Simple design of stem facilities the maintenance.

PFA lined diaphragm valves apply for high corrosive fluid, as following applications, 

  • Chemical plant
  • Rare earth
  • Pesticide
  • Pharmaceutical Manufacturing
  • Paper making industry
  • Corrosive Petrochemical
  • Dyeing and finishing plant
  • Solar panel industry
  • Petrochemical industry
  • Pharmaceutical industry