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Spring Loaded Safety Relief Valve — Angle Discharge Full Lift
Conventional spring-loaded safety relief valve with angle discharge, full lift, semi-nozzle or full-nozzle design, open bonnet, and plain lifting lever. Top-guided unobstructed seat bore for high discharge capacity on steam, hot water, and liquid overpressure protection. Sized per API 520; manufactured and tested to API 526 and API 527. IBR certification available for boiler and autoclave duty in India.
Key Applications
Technical Specifications
Material of Construction (MOC)
Dimensions & Weights
| Inlet x Outlet (mm) | A (mm) | B (mm) | C (mm) |
|---|---|---|---|
| 25 x 50 | 105 | 115 | 456 |
| 50 x 80 | 133 | 124 | 575 |
| 80 x 100 | 155 | 162 | 674 |
| 100 x 150 | 181 | 229 | 940 |
| 150 x 200 | 240 | 241 | 1090 |
Service Media
Purchase Options
Features & Benefits
Full Lift High Capacity
Single-spring full-lift design delivers maximum rated discharge capacity with top-guided unobstructed seat bore.
Precision Metal Seat
Mirror-polished metal-to-metal seat with precision-lapped disc and nozzle for repeatable set and reset pressure.
API 526 Conventional Design
Open bonnet with plain lifting lever; optional balance bellows for variable back pressure service.
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- Valve type: Angle discharge, spring loaded, full lift, conventional type
- Size: 25 x 50 mm to 250 x 350 mm (inlet x outlet)
- Pressure class: Class 150 to Class 2500; BS 10 Table H and E
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