WAFER BUTTERFLY VALVE 25W-300, 25W-250 & 25W-200
FM Approved wafer style butterfly valve with integrated signal gear box, conforming to FM1112 test standards with fusion bonded coating. The slim wafer body fits between standard flanges for a compact, lightweight installation, while the signal gear box provides supervisory switching for fire alarm control panel integration.
The wafer counterpart to the lugged FGBL-300, available in three pressure ratings and sizes from 50mm (2″) to 300mm (12″), compatible with BS EN, ASME, and Class 150 flange standards.
Key Specs:
- Models: 25W-200 | 25W-250 | 25W-300
- Working Pressure: 200 / 250 / 300 PSI
- Working Temperature: -10°C to 120°C
- Valve Standard: FM1112 | Coating: FM1112
- Face-to-Face Standard: ISO5752
- Flanged Ends: BS EN1092-2 / ASME B16.42 / Class 150
- Sizes: 50mm to 300mm (2″ to 12″)
- Approval: FM Approved
Materials:
| Part | Material |
|---|---|
| Body | Ductile Iron (ASTM A536) |
| Disc | Ductile Iron EPDM Coated (ASTM A536+EPDM) |
| Upper & Lower Stems | Stainless Steel (AISI 410) |
| O-Ring | EPDM |
| Bushing | Bronze (ASTM B150M C63000) |
| Gear Box Housing | Ductile Iron (ASTM A536) |
| Gland/Washer/Plug | Galvanised Carbon Steel, Surface Passivation |
Wafer body design for compact between-flange installation — the space-saving alternative to the lugged FGBL-300 where dead-end service is not required.
Documents and Resources
- Size Guide
- Reviews (0)
| size | chest(in.) | waist(in.) | hips(in.) |
|---|---|---|---|
| XS | 34-36 | 27-29 | 34.5-36.5 |
| S | 36-38 | 29-31 | 36.5-38.5 |
| M | 38-40 | 31-33 | 38.5-40.5 |
| L | 40-42 | 33-36 | 40.5-43.5 |
| XL | 42-45 | 36-40 | 43.5-47.5 |
| XXL | 45-48 | 40-44 | 47.5-51.5 |
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