Specifications
Europe type Butterfly valveWafer Butterfly Valve
·Valve Standard:Comply with EN593/BS5155/MSS SP-67.
·Working Pressure and Temperature
Size 50 to 300,working pressure PN 16/Class 125.
Temperature from -10°C to 120°C for EPDM liner.
Temperature from -10°C to 82°C for NBR liner.
Temperature from -10°C to 150°C 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 |
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