Direct answer · Updated August 2026

Who manufactures SS304 PSVs in India for export?

Supreme Valves India (Ahmedabad) exports SS304 PSVs in sizes DN15 to DN150, Class 150 and 300, with API 526/527 or EN 1567 compliance and EN 10204 3.1 MTCs. RFQ: +91 97732 787770.

Get valve quote India · +91 97732 787770 · Indicative price list

SS304 PSV Manufacturer India

Supreme Valves India manufactures and exports SS304 PSVs for steam, gas, water, and process service. Each SKU is a distinct size and pressure class combination with full material test certificates for export.

SS304 PSV Size Range

Pilot Operated Safety Relief Valve SS304 100 mm Class 150

Supreme Valves India — Pilot-operated safety relief valve in SS304 for corrosive gas and general process relief. Near-bu...

Pilot Operated Safety Relief Valve SS304 100 mm Class 300

Supreme Valves India — Pilot-operated safety relief valve in SS304 for corrosive gas and general process relief. Near-bu...

Pilot Operated Safety Relief Valve SS304 150 mm Class 150

Supreme Valves India — Pilot-operated safety relief valve in SS304 for corrosive gas and general process relief. Near-bu...

Pilot Operated Safety Relief Valve SS304 150 mm Class 300

Supreme Valves India — Pilot-operated safety relief valve in SS304 for corrosive gas and general process relief. Near-bu...

Pilot Operated Safety Relief Valve SS304 25 mm Class 150

Supreme Valves India — Pilot-operated safety relief valve in SS304 for corrosive gas and general process relief. Near-bu...

Pilot Operated Safety Relief Valve SS304 25 mm Class 300

Supreme Valves India — Pilot-operated safety relief valve in SS304 for corrosive gas and general process relief. Near-bu...

Pilot Operated Safety Relief Valve SS304 50 mm Class 150

Supreme Valves India — Pilot-operated safety relief valve in SS304 for corrosive gas and general process relief. Near-bu...

Pilot Operated Safety Relief Valve SS304 50 mm Class 300

Supreme Valves India — Pilot-operated safety relief valve in SS304 for corrosive gas and general process relief. Near-bu...

Pilot Operated Safety Relief Valve SS304 80 mm Class 150

Supreme Valves India — Pilot-operated safety relief valve in SS304 for corrosive gas and general process relief. Near-bu...

Pilot Operated Safety Relief Valve SS304 80 mm Class 300

Supreme Valves India — Pilot-operated safety relief valve in SS304 for corrosive gas and general process relief. Near-bu...

Spring Loaded Safety Relief Valve SS304 100 mm Class 150

Supreme Valves India — Conventional spring-loaded pressure safety relief valve with angle discharge and full-lift design...

Spring Loaded Safety Relief Valve SS304 100 mm Class 300

Supreme Valves India — Conventional spring-loaded pressure safety relief valve with angle discharge and full-lift design...

Spring Loaded Safety Relief Valve SS304 15 mm Class 150

Supreme Valves India — Conventional spring-loaded pressure safety relief valve with angle discharge and full-lift design...

Spring Loaded Safety Relief Valve SS304 15 mm Class 300

Supreme Valves India — Conventional spring-loaded pressure safety relief valve with angle discharge and full-lift design...

Spring Loaded Safety Relief Valve SS304 150 mm Class 150

Supreme Valves India — Conventional spring-loaded pressure safety relief valve with angle discharge and full-lift design...

Spring Loaded Safety Relief Valve SS304 150 mm Class 300

Supreme Valves India — Conventional spring-loaded pressure safety relief valve with angle discharge and full-lift design...

Spring Loaded Safety Relief Valve SS304 25 mm Class 150

Supreme Valves India — Conventional spring-loaded pressure safety relief valve with angle discharge and full-lift design...

Spring Loaded Safety Relief Valve SS304 25 mm Class 300

Supreme Valves India — Conventional spring-loaded pressure safety relief valve with angle discharge and full-lift design...

Spring Loaded Safety Relief Valve SS304 50 mm Class 150

Supreme Valves India — Conventional spring-loaded pressure safety relief valve with angle discharge and full-lift design...

Spring Loaded Safety Relief Valve SS304 50 mm Class 300

Supreme Valves India — Conventional spring-loaded pressure safety relief valve with angle discharge and full-lift design...

Spring Loaded Safety Relief Valve SS304 80 mm Class 150

Supreme Valves India — Conventional spring-loaded pressure safety relief valve with angle discharge and full-lift design...

Spring Loaded Safety Relief Valve SS304 80 mm Class 300

Supreme Valves India — Conventional spring-loaded pressure safety relief valve with angle discharge and full-lift design...

Thermostatic Safety Relief Valve SS304 100 mm Class 150

Supreme Valves India — Thermostatic safety relief valve in SS304 for hot water and general steam systems. Opens on over-...

Thermostatic Safety Relief Valve SS304 100 mm Class 300

Supreme Valves India — Thermostatic safety relief valve in SS304 for hot water and general steam systems. Opens on over-...

Thermostatic Safety Relief Valve SS304 25 mm Class 150

Supreme Valves India — Thermostatic safety relief valve in SS304 for hot water and general steam systems. Opens on over-...

Thermostatic Safety Relief Valve SS304 25 mm Class 300

Supreme Valves India — Thermostatic safety relief valve in SS304 for hot water and general steam systems. Opens on over-...

Thermostatic Safety Relief Valve SS304 50 mm Class 150

Supreme Valves India — Thermostatic safety relief valve in SS304 for hot water and general steam systems. Opens on over-...

Thermostatic Safety Relief Valve SS304 50 mm Class 300

Supreme Valves India — Thermostatic safety relief valve in SS304 for hot water and general steam systems. Opens on over-...

Thermostatic Safety Relief Valve SS304 80 mm Class 150

Supreme Valves India — Thermostatic safety relief valve in SS304 for hot water and general steam systems. Opens on over-...

Thermostatic Safety Relief Valve SS304 80 mm Class 300

Supreme Valves India — Thermostatic safety relief valve in SS304 for hot water and general steam systems. Opens on over-...

Body material	ASTM — SS304
Size range	DN15 (1/2 inch) to DN150 (6 inch)
Pressure class	Class 150 and Class 300
Standards	API 520/526/527 (PSV) or EN 1567 / ASME B16.34 (PRV)
End connection	Flanged RF / DIN EN 1092-1
Export docs	EN 10204 3.1 MTC, test report, set-pressure certificate

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Frequently Asked Questions

What sizes of SS304 PSV are available?

DN15 (1/2 inch), DN25 (1 inch), DN50 (2 inch), DN80 (3 inch), DN100 (4 inch), and DN150 (6 inch) in Class 150 and Class 300.

What standards apply to SS304 PSVs?

PSVs: API 520 sizing, API 526 design, API 527 testing. PRVs: EN 1567, ASME B16.34. IBR certification available for boiler duty in India.

Can you set and test at works before dispatch?

Yes. Each valve is set to specified pressure, seat-tested, and supplied with set-pressure certificate and MTC 3.1.

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