Wafer Butterfly Valve
· Valve Standard: Comply with EN593/BS5155/MSS SP-67.
· Working Pressure and Temperature
Size 50 to 600, working pressure PN 16/Class 125.
Temperature from -10℃ to 120℃ for EPDM liner.
Temperature from -10℃ to 82℃ for NBR liner.
Temperature from -10℃ to 150℃ for Viton liner.
· Top Flange standard: Comply with ISO5211/1.
· Flange Type: EN1092-2 PN10/PN16/PN25, ANSI B16.1 Class125, ANSI B16.2 Class250, BS10 Table D/E, JIS 10K/16K.
· Operator: Handle or gear operator.
· Materials Specification
|
Part Name |
Material |
EN Spec. |
ASTM Spec. |
|
Body |
Cast Iron |
EN-JL1040 |
A126 Class B |
|
Shaft |
Stainless Steel |
BS970 420S37 |
AISI 420 |
|
Disc |
Stainless Steel |
BS970 304S15 |
A351 CF8 |
|
Bronze |
EN1982 CC491K |
B62 C83600 |
|
|
DI Nichel Plated or FBE Coated |
EN-JS1050 |
A536 65-45-12 |
|
|
Bushing |
PTFE |
Commercial |
Commercial |
|
Liner |
EPDM/NBR/VITON |
Commercial |
Commercial |
|
O-Ring |
EPDM/NBR/VITON |
Commercial |
Commercial |