Cast Iron Lever Type Butterfly Valve
DN40-600,
PN10/16;
Body:CI DI WCB SS
meets ANSI,BS,DIN,JIS
disc: CI+ Nikle painted,SS304
meets ANSI,BS,DIN,JIS
disc: CI+ Nikle painted,SS304
Cast Iron Lever Type Butterfly Valve
Material for main parts
|
Parts name
|
Material
|
|
Body
|
Ductile cast iron,cast steel,Alloy steel, stainless steel
|
|
Disc
|
Grey cast iron,ductile cast steel,cast steel,stainless steel and hoc material
|
|
Seal ring
|
Manifold rubber,such as EPDM, PTFE,NBR,Viton,CR
|
|
Stem
|
2Cr13,steel,stainless steel
|
|
Packing
|
O-ring,flexible graphite
|
Butterfly valve seal material choice and apporpriate tempreture
|
Material variety
|
Neoprene
|
Styene rubber
|
EPDM
|
PTFE
|
Silicon rubber
|
Fluorine rubber
|
|
Resistance highest temperature
|
82°C
|
93°C
|
150°C
|
232°C
|
250°C
|
204°C
|
|
Resistance lowest temperature
|
-40°C
|
-40°C
|
-40°C
|
-268°C
|
-70°C
|
-23°C
|
|
Suitable working temperature
|
≤65°C
|
≤80°C
|
≤120°C
|
≤200°C
|
≤200°C
|
≤180°C
|