Specification :

Detail: 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.

Size 50 to 300, working pressure PN 20/ Class 150.

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

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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 Chrome 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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