Virgin Engineers is a trusted manufacturer and supplier of stainless steel 310 and 310S manifold valves in Mumbai, India. Pressure instrumentation systems widely use these valves, designed for demanding environments where high temperatures and corrosive media are common. We provide a complete selection of SS 310 and 310S manifold valves, such as 2-way, 3-way, 5-way, gauge valves, and block & bleed types—made for industries that need accurate isolation, equalization, and venting.
We engineer our stainless steel 310 manifold valves using ASTM A182 F310 material, making them ideal for service in oxidizing conditions up to 1150°C. Thanks to their high chromium (25%) and nickel (20%) content, these valves provide exceptional resistance to corrosion, scaling, and heat-induced stress. Whether installed in furnace atmospheres, refinery piping, or heat treatment lines, SS 310 valves consistently maintain stability, even under cycling thermal loads. Available connection types include NPT (ASME B1.20.1), BSPP/BSPT, and flanged ends (ASME B16.5), with sizes from ¼” to 1”.
Our SS 310S manifold valves provide an ideal solution for processes that involve frequent welding or require the avoidance of carbide precipitation. Made from ASTM A182 F310S low-carbon alloy, these stainless steel valves are better at resisting sensitization and intergranular corrosion. Petrochemical units, exhaust systems, marine heat exchangers, and other critical applications that operate continuously under high pressure and fluctuating temperatures find them particularly suited.
All 310 and SS 310S manifold valves are thoroughly tested with water and air to meet API 598 and MSS SP-99 standards. We also provide PTFE or graphite stem packing, anti-tamper handles, and a selection of stem tip designs—needle, ball, or regulating—based on flow requirements. Full documentation is included with every shipment: EN 10204 3.1 mill test certificates, dimensional inspection reports, and process traceability logs for compliance and audit assurance.
Virgin Engineers ensures safe and secure global delivery with moisture-resistant packaging and export-grade wooden crates. With ready-to-ship stock and the capacity to meet bulk orders, we proudly serve customers across India, the Middle East, Europe, and Southeast Asia. If you're looking for reliable stainless steel 310 or 310S manifold valve manufacturers and suppliers, we're here to support you with quality products, technical expertise, and timely delivery.
ASTM A276, A351, A494 / ASME SA276, SA351, SA494
up to 6000 psig @ 100° F (414 barg @ 38° C).
1/8 to 1”, Custom Sizes available on request
up to 1200°F(648 °C)
Thread, Weld or Tube End
DIN, ASTM, BS and all International Standards.
STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
SS 310 | 1.4841 | S31000 | S31000 | 310S24 | 20Ch25N20S2 | - | X15CrNi25-20 |
SS 310S | 1.4845 | S31008 | SUS 310S | 310S16 | 20Ch23N18 | - | X8CrNi25-21 |
Grade | C | Mn | Si | P | S | Cr | Mo | Ni | Fe |
SS 310 | 0.015 max | 2.0 max | 0.15 max | 0.020 max | 0.015 max | 24.00 - 26.00 | 0.10 max | 8 – 10.5 | 54.7 min |
SS 310S | 0.08 max | 2.0 max | 1.00 max | 0.045 max | 0.030 max | 24.00 - 26.00 | 0.75 max | 19.00 - 21.00 | 53.095 min |
Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
7.9 g/cm3 | 1402 °C (2555 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
Stainless Steel S31000/S31008 manifold valves are manufactured and controlled to international standards such as ASTM, ASME, BS, MSS, EN, DIN or WERKSTOFFE. Our products undergo stringent quality tests before they are dispatched.
The material tests performed on stainless steel 310 / 310S manifold valves are burst tests, Ultrasonic Test, Mechanical Testing, Cryogenic testing, low temperature testing, High pressure gas testing, High temperature testing , etc. are some of the tests conducted at our facility. We welcome stage wise inspection from any of your representative or third party inspection agencies.
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