UL / FM Butterfly Valve – Wafer Style
Specifications
- Single piece through shaft
- Vulcanized seat design for bubble-tight shutoff at 300 psi
- Flag type position indicator
- Low torque operation, high cycle life
- With built-in supervisory switch
- Top flange to ISO 5211/1
- Flanges to ANSI B16 1 Class125 (Other flange types available upon
request) - UL Listed
Working pressure:
- 300PSI
- 200PSI and 250PSI available on request
Working temperature:
- 42° F – 180° F
Corrosion protection:
- Fusion Bonded Epoxy Coated Interior and Exterior to AWWA C550 Standard
Installation:
- May be fitted in either horizontal or vertical pipework. When installed in a horizontal pipeline, the valve stem should be preferably horizontal.
- This enables the butterfly valve to be self-cleaning and also enables the weight of the disk to be equally borne by the bearings.
UL / FM Butterfly Valve – Wafer Style Material Specifications:
| Part Name | Material | ASTM Spec. |
|---|---|---|
| Body | Ductile Iron, Vulcanized EPDM | A536 65-45-12 and EPDM |
| Disc | Ductile Iron | A536 65-45-12 |
| Shaft | Stainless Steel | AISI 431 |
| Bushing | Brass | B16 C36000 |
| Gearbox Housing | Cast Iron | A126 Class B |
| Gearbox Cover | Cast Iron | A126 Class B |
| Wormgear | Brass | B16 C36000 |
| Worm | Stainless Steel | AISI 420 |
| Handwheel | Cast Iron | A126 Class B |
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