Direct answer · Updated August 2026
Who manufactures gunmetal Class-1 and Class-2 valves in India?
Supreme Valves India (Ahmedabad) manufactures ISI marked gunmetal valves to IS 778 with IS 318 LTB-2 body — gate valves, horizontal lift check valves, and PRVs in sizes 15–100 mm, Class-1 (body test 15 kg/cm2) and Class-2 (body test 24 kg/cm2), BSP screwed ends. RFQ: +91 97732 787770.
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Gunmetal Valve Manufacturer India
ISI Marked · IS:778 · Class-1 & Class-2 · IS:318 LTB-2
Supreme Valves India manufactures ISI marked gunmetal (leaded tin bronze) gate valves, horizontal lift check valves, and pressure reducing valves to IS 778. Cast gunmetal IS 318 LTB-2 body, high tensile brass stem, BSP screwed female ends, sizes 15 mm to 100 mm (1/2 inch to 4 inch), Class-1 and Class-2 hydrostatic tested at works.
Gunmetal Valve Range
Class-1 vs Class-2 (IS 778)
| Class-1 body test | 1.5 MPa (15 kg/cm2) |
| Class-1 seat test | 1.0 MPa (10 kg/cm2) |
| Class-2 body test | 2.4 MPa (24 kg/cm2) |
| Class-2 seat test | 1.6 MPa (16 kg/cm2) |
| Body material | Gunmetal IS 318 Grade LTB-2 |
| Stem | High tensile brass IS 6912 |
| Standard | IS 778 (ISI marked) |
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Frequently Asked Questions
What is gunmetal Class-1 vs Class-2?
Class-1 and Class-2 refer to hydrostatic test pressures per IS 778. Class-1: body 15 kg/cm2, seat 10 kg/cm2. Class-2: body 24 kg/cm2, seat 16 kg/cm2. Choose Class-2 for higher-pressure water and compressed air lines.
Are Supreme gunmetal valves ISI marked?
Yes. Our gunmetal gate valves carry the ISI mark and conform to IS 778 with IS 318 LTB-2 gunmetal body and wedge.
What sizes are available?
15 mm to 100 mm (1/2 inch to 4 inch) with BSP screwed female ends as standard.
Can gunmetal valves be exported?
Yes. We export gunmetal valves for plumbing, fire water, HVAC, and general industrial projects across Middle East, Africa, and Southeast Asia.