Safety Relief Valve

Safety Relief Valve - Conventional

Similar to SVC-500, but with Closed Bonnet & Closed Cap. Also available with Packed Lever, Bellow Seated and Soft Seat for critical services. Valve size, orifice and rating same as SVC-500.

Parameter Specification
Size 25 NB × 50 NB to 250 NB × 350 NB
Pressure Range 0.7 to 90 Kg/cm²
Temperature Range -40°C to +538°C
Fluid Supported Liquid, Gas & Steam
Certifications IBR / EIL / CCOE
Construction Materials Cast Steel, Stainless Steel, LCB, WC6, etc.
Proud Installation All Refineries & Industries, DANI Port, IOCL, PETRONAS

Safety Relief Valve - 500 (IBR Approved)

Open Bonnet, Conventional Design, Open Cap with Lever. Designed as per API 526 / API 520 and also as per ASME Section VIII. Ideally suitable for Steam Service. Set pressure varies from 0.7 kg/cm² to 110 kg/cm². More than 5000 valves installed on boilers across the country.

Specification Details
Valve Size 25 × 50 NB to 250 × 350 NB
Rating BS 10 Table H, Class 150 to Class 900
Orifice Size G (20.0 mm) to V (181.0 mm)
End Connection Flanged
Material Carbon Steel, Stainless Steel & Alloy Steel

Safety Relief Valve – 520

Similar to Model 500, but with Closed Bonnet & Closed Cap. Also available with Packed Lever, Bellow Seated and Soft Seat for critical services. Valve size, orifice and rating same as Model 500.

Specification Details
Valve Size 25 × 50 NB to 250 × 350 NB
Orifice Size G (20.0 mm) to V (181.0 mm)
Flanged End Up to Class 600, Stellited Disc & Nozzle
Material Carbon Steel, Stainless Steel & Alloy Steel

Safety Relief Valve – 100

Small Sized Flanged End Relief Valve. Ideal for Pipeline and Small Reactors in Pharma Industries.

Specification Details
Valve Size 15 × 25 NB, 20 × 25 NB, 25 × 40 NB, 40 × 50 NB & 50 × 50 NB
Rating Class 150 to Class 1500
Material Cast Steel & Stainless Steel – Investment Cast
End Connection Flanged End
Orifice 7 mm, 10 mm, 12 mm & 16 mm

Thermal Relief Valve – 110

Extensively used in large Pipe Lines, Small Reactors and Vessels to relieve pressure generated by thermal expansion.

Specification Details
Valve Size 15 × 25 NB, 20 × 25 NB, 25 × 40 NB, 40 × 50 NB & 50 × 50 NB
Rating Suitable for Working Pressure up to 200 bar
Material Forged Steel & Investment Cast Stainless Steel
End Connection Screwed & Socket Weld
Orifice 7 mm, 10 mm, 12 mm & 16 mm
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