Double Flange Butterfly Valves

Type:double?flange, ?Normal?pressure:PN10/16, (Double?flange?butterfly?valve)

Performance:

Double?flange?butterfly?valve
1.Normal?diameter:DN40~1000
2.Nominal?pressure:PN10/16
3.Working?temperature:-15`150
4.Suitable?mediums:fresh?water, sea?water, air, steam, food, medicine, oils, sewage, etc
Materials?of?main?parts:
1.Body:cast?iron, ductile?iron, aluminum?bronze, stainless?steel, and?carbon?steel?and?so?on
3.Stem/Shaft:stainless?steel?and?carbon?steel
4.Rubber?gasket:NR, EPDM, NBR, VITON, PTFE, Hypalon
5.Bushing:lubrized?bronze, PTFE, GS-1
Transmission:worm?gear, pnuematic, hydraulic, hydraulic-pneumatic?and?electric
The?main?characteristics:
1.Small?in?size?and?light?in?weight, wasy?installation?and?maintenance, it?can?be?mounted?wherever

needed
2.Simple?and?compact?construction, quick?90?degree?on-off?operation
3.Minimized?operating?torque, energy?saving
4.Flow?cure?tending?to?straight?line, Excellent?regulation?performance
5.Long?service?life.Standing?the?test?of?tens?of?thousands?opening/closing?operations
6.Bubbles-tight?sealing?with?no?leakage?under?the?pressure?test
7.Wide?selections?of?materials, applicable?for?various?medium
8.Stem?and?disc?are?connected?by?means?of?pinless?structure?with?more?reliable?performance
9.Disc?seat?and?body?of?non?backed?slim-disc?butterfly?valve?are?connected?by?frameless

structure?to?overcome?leakage?on?the?connectiing?position?of?flange?sealing?surface