Wafer Butterfly Valve
Product Description
Internally and externally fusion bonded epoxy powder coated( FBE) .
Notes:Design and material are subject to change without notice.
Product Description
• Vulcanized seat design for bubble-tight shutoff at 1.5 times norminal pressure. • Flag type position indicator. • Low torque operation, high cycle life. • With built-in supervisory switch. • Top flange to ISO 5211/1. • Flanges designed to EN1092-2 PN10/PN16, ANSI B16.1 Class125 ( Other types available on request).
200PSI and 250PSI available on request.
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| Corrosion Protection |
Internally and externally fusion bonded epoxy powder coated( FBE) .
Notes:Design and material are subject to change without notice.
Installation of Gear Operator With Tamper Switch:
Butterfly valves are provided with internal supervisory position switches. The tamper switch operates by a cam connected to the valve stem. The switch will change position and close within two full turns of the handwheel from the fully open position.
Material Specification
Material Specification
Part Name | Material | EN Spec. | ASTM Spec. | |||||
Valve | Body | Ductile Iron | EN-JS1050 | A536 65-45-12 | ||||
Disc | Ductile Iron | EN-JS1050 | A536 65-45-12 | |||||
Shaft | Stainless Steel | BS970 431S29 | AISI431 | |||||
Bushing | Brass | CuZn39Pb3 | B16 C36000 | |||||
Gear Operator | Housing | Cast Iron | EN-JL1040 | A126 Class B | ||||
Cover | Cast Iron | EN-JL1040 | A126 Class B | |||||
Wormgear | Brass | CuZn39Pb3 | B16 C36000 | |||||
Worm | Stainless Steel | BS970 420S37 | AISI420 | |||||
Handwheel | Cast Iron | EN-JL1040 | A126 Class B | |||||
