Butterfly valve Main Part Material
Body of Material
| Type of Material |
Material Standard |
| Cast Iron |
GG20 GG25, ASTM A126 Class B |
| Ductile Iron |
GGG40,ASTM A536 60-40-18 |
| Cast Bronze |
ASTM B584 G90500 |
| Stainless Steel |
CF8M, CF8, ZG1Cr18Ni9Ti |
| Carbon Steel |
WCB |
Disc Material
| Ductile Iron (Nickel Plated or Nylon Coated) |
ASTM A536 60-40-18 DI |
| Stainless Steel |
SS410, SS304, SS316 |
| Aluminum |
Al-Bronze |
Stem Material
| Stainless Steel |
SS410, SS304,SS316 |
| Cast Steel |
WCB (chrome plated) |
Seat Material of Body Liner Material
| Material |
Temperature Ratio |
| ℃ |
℉ |
| Buna-N(NBR) |
-12----85 |
+10----185 |
| Buna-N(Abrasive Resistant) |
-12----85 |
+10-----185 |
| Neoprene |
-7----93 |
20----200 |
| EPDM |
-35----135 |
-30----275 |
| EPDM (Food Grade) |
-35-----110 |
-30----230 |
| Hypalon |
-32----135 |
0-----275 |
| Vinton |
-12----135 |
10---275 |
| PTFE |
4.4----121 |
40---250 |
Seat Materials are capable of standing lower temperatures without damage. However it would become hard and torques would increase .Some flow
media may further rest published temperature limits or significantly reduce seat life.
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Butterfly Valve
 Butterfly Valve Overview
BV1000W
BV1000L
BV1000S
BV2000W
BV2000S
BV2000L
BV3000W
BV3000L
BV4000
Hard Sealed Type
Flanged Type
Grooved
End Butterfly Valve
Antiseptic Butterfly Valve
Material of parts
Torque
Definition of CV Value
Specification
Actuator
Order Code
Inquiry Online
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