• Packing seal is no need;
• No leakage of medium;
• Rubber diaphragm with good seal performance;
• Only suitable for low pressure applications duo to the materials of diaphragm;
• The diaphragm valve can be classified into weir type, straight type, angle type, wedge type and globe type according to the structure;
• The pneumatic diaphragm valve can be classified into fail closed type, fail open type and reciprocal type;
• Body without lined, rubber lined body and fluorine lined body are available;
• Small pressure loss duo to streamline flow passage;
• Replaceable diaphragm;
• Low maintenance cost;
• Suitable for slurry with solid particles;
• Suitable for corrosive medium

Product range:

Size: DN15～DN400 1/2’’ ～16’’

Pressure rating: PN6 PN10 PN16

End connection: Flanged RF

Body materials: WCB Cast Iron Ductile cast iron PVC Stainless steel

Lined materials: Rubber: NR BR IIR CR; Fluorine: PP ETFE PFA PTFE

Diaphragm: EPDM VITON NBR CR Natural rubber

Technical standards:

Design: GB12239 BS5156

Face to Face: GB12221 BS5156

Flanged ends: GB4216.4 BS4504

Test and inspection: GB/T13927 BS5156