BS5155 Double Offset Butterfly Valve
Description
BS5155 Double Offset Butterfly Valve
Technical Datasheet
| Feature | Specification | Standard/Remarks |
|---|---|---|
| Product Standard | BS 5155 | British Standard |
| Valve Type | Double Offset Butterfly Valve | Eccentric Design (Double Offset) |
| Body Material | Ductile Iron (DI) | ASTM A536 / EN 1563 |
| Disc Material | Ductile Iron (DI) | Epoxy Coated (Standard) |
| Stem Material | 416 Stainless Steel (SS 416) | ASTM A582 / UNS S41600 |
| Seat Material | EPDM Rubber | FDA/USP/NSF Optional |
| Operation | Worm Gear Operated | Manual (Handwheel) |
| Design Pressure | PN10/PN16 (150 psi) | ANSI 125 Optional |
| Temp. Range | -15°C to +120°C (+5°F to +248°F) | (EPDM Seat) |
| Face-to-Face | ISO 5752 Series 13 | EN 558 series 14 available |
| Flange Drilling | ISO 7005-2 PN16 | ASME B16.5 Optional |
| Seat Leakage | Class A (Zero Leakage) | BS EN 12266-1 |
| Fire Safe | Optional (API 607/API 6FA Certified) | With Metal Backup Seat |
| Certifications | ISO 9001, CE, WRAS (Upon Request) |
Key Features Summary:
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Robust Construction: Full DI body/disc + SS416 stem
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Bubble-Tight Shutoff: Resilient EPDM seat (Class A sealing)
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Low Torque Operation: Precision worm gear actuator
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Interchangeable: ISO flange dimensions
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Corrosion Resistant: Epoxy-coated internals (standard)
