BUTTERFLY

valves

valve products

BUTTERFLY VALVES

WAFER BUTTERFLY VALVE

Technical Data
Dn Nominal Diameter 50(2″)~1000(40″) 50(2″)~800(32″) mm(inch)
PN Nominal Pressure 1.0 1.6 MPa
Testing Pressure Shell 1.5 2.4
Sealing 1.1 1.76
Working Temperature
Suitable Mediums Fresh Water, Sewage, Sea Water, Air, Vapour, Food, Medicine, Oils, Acids, Alkalis, Salts, etc.


Material of Main Parts
Body Disc Stem Bushing Seat
Name Code Name Code Name Name Name Code Working Temp. °C
CAST IRON Z Plated Ductile Iron B1 Stainless Steel Lubrized Bronze NR X1 -20~+85
Ductile Iron Q Aluminum Bronze B2 Carbon Steel PTFE Hypalon X2 -18~+15 Intermittence -18~+149
Aluminum Bronze T ZG1Cr18Ni9Ti Stainless Steel B3 EPDM X3 -45~+135 Intermittence -50~+150
ZG1Cr18Ni9Ti Stainless Steel P Titamium Steel B4 Neoprene X4 -7~+93 Intermittence -7~+107
CF8M Stainless Steel R CF8M Stainless Steel B5 NBR X5 -12~+82 Intermittence -12~+93
Carbon Steel C Carbon Steel B6 Wear-resistant Rubber X6 -10~+50
CF8M Stainless Steel B7 VITON X7 -23~+150
Heat-resistant Rubber X9 -20~+150
PTFE F4 +10~+150

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