Direct answer · Updated August 2026

Who manufactures WCB PRVs in India for export?

Supreme Valves India (Ahmedabad) exports WCB PRVs 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.

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WCB PRV Manufacturer India

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

WCB PRV Size Range

Direct Acting Pressure Reducing Valve WCB 100 mm Class 150

Supreme Valves India — Direct-acting spring-loaded pressure reducing valve in WCB for water, steam, and compressed air s...

Direct Acting Pressure Reducing Valve WCB 100 mm Class 300

Supreme Valves India — Direct-acting spring-loaded pressure reducing valve in WCB for water, steam, and compressed air s...

Direct Acting Pressure Reducing Valve WCB 15 mm Class 150

Supreme Valves India — Direct-acting spring-loaded pressure reducing valve in WCB for water, steam, and compressed air s...

Direct Acting Pressure Reducing Valve WCB 15 mm Class 300

Supreme Valves India — Direct-acting spring-loaded pressure reducing valve in WCB for water, steam, and compressed air s...

Direct Acting Pressure Reducing Valve WCB 25 mm Class 150

Supreme Valves India — Direct-acting spring-loaded pressure reducing valve in WCB for water, steam, and compressed air s...

Direct Acting Pressure Reducing Valve WCB 25 mm Class 300

Supreme Valves India — Direct-acting spring-loaded pressure reducing valve in WCB for water, steam, and compressed air s...

Direct Acting Pressure Reducing Valve WCB 50 mm Class 150

Supreme Valves India — Direct-acting spring-loaded pressure reducing valve in WCB for water, steam, and compressed air s...

Direct Acting Pressure Reducing Valve WCB 50 mm Class 300

Supreme Valves India — Direct-acting spring-loaded pressure reducing valve in WCB for water, steam, and compressed air s...

Direct Acting Pressure Reducing Valve WCB 80 mm Class 150

Supreme Valves India — Direct-acting spring-loaded pressure reducing valve in WCB for water, steam, and compressed air s...

Direct Acting Pressure Reducing Valve WCB 80 mm Class 300

Supreme Valves India — Direct-acting spring-loaded pressure reducing valve in WCB for water, steam, and compressed air s...

Self-Acting Pressure Reducing Valve WCB 100 mm Class 150

Supreme Valves India — Self-actuating internally piloted pressure reducing valve in WCB for steam, air, and industrial g...

Self-Acting Pressure Reducing Valve WCB 100 mm Class 300

Supreme Valves India — Self-actuating internally piloted pressure reducing valve in WCB for steam, air, and industrial g...

Self-Acting Pressure Reducing Valve WCB 15 mm Class 150

Supreme Valves India — Self-actuating internally piloted pressure reducing valve in WCB for steam, air, and industrial g...

Self-Acting Pressure Reducing Valve WCB 15 mm Class 300

Supreme Valves India — Self-actuating internally piloted pressure reducing valve in WCB for steam, air, and industrial g...

Self-Acting Pressure Reducing Valve WCB 150 mm Class 150

Supreme Valves India — Self-actuating internally piloted pressure reducing valve in WCB for steam, air, and industrial g...

Self-Acting Pressure Reducing Valve WCB 150 mm Class 300

Supreme Valves India — Self-actuating internally piloted pressure reducing valve in WCB for steam, air, and industrial g...

Self-Acting Pressure Reducing Valve WCB 25 mm Class 150

Supreme Valves India — Self-actuating internally piloted pressure reducing valve in WCB for steam, air, and industrial g...

Self-Acting Pressure Reducing Valve WCB 25 mm Class 300

Supreme Valves India — Self-actuating internally piloted pressure reducing valve in WCB for steam, air, and industrial g...

Self-Acting Pressure Reducing Valve WCB 50 mm Class 150

Supreme Valves India — Self-actuating internally piloted pressure reducing valve in WCB for steam, air, and industrial g...

Self-Acting Pressure Reducing Valve WCB 50 mm Class 300

Supreme Valves India — Self-actuating internally piloted pressure reducing valve in WCB for steam, air, and industrial g...

Self-Acting Pressure Reducing Valve WCB 80 mm Class 150

Supreme Valves India — Self-actuating internally piloted pressure reducing valve in WCB for steam, air, and industrial g...

Self-Acting Pressure Reducing Valve WCB 80 mm Class 300

Supreme Valves India — Self-actuating internally piloted pressure reducing valve in WCB for steam, air, and industrial g...

Body material	ASTM — WCB
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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Send valve type, size, class, material, quantity, end connection, and destination port.

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Frequently Asked Questions

What sizes of WCB PRV 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 WCB PRVs?

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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