Alloy 20 Manifold Valves
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Rudra Tubefittings, based in Kolkata, India, specializes in crafting and supplying top-notch Alloy 20 Manifold Valves that are designed to thrive in harsh corrosive environments and meet precise instrumentation requirements. These valves are built to handle aggressive media, ensuring safe isolation, equalization, and venting when paired with pressure transmitters, gauges, and flow instruments. Thanks to their Alloy 20 construction, they boast remarkable resistance to strong acids, chlorides, and chemical attacks. Rudra’s manifold valves are engineered with tight tolerances, smooth operation, and leak-proof integrity, making them a reliable choice for the demanding chemical, pharmaceutical, and process industries. They promise a long service life, dependable control, and consistent performance even in tough conditions.
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Alloy 20 Manifold Valves are crafted from a nickel-iron-chromium alloy, enhanced with molybdenum and copper, which gives them exceptional resistance to sulfuric acid, pitting, and stress corrosion cracking caused by chlorides. Their mechanical properties include impressive tensile strength, excellent ductility, and reliable stability across a range of temperatures. The valve bodies are precision-machined, featuring corrosion-resistant stems, seats, and sealing components that ensure a leak-tight operation. The metallurgical makeup of Alloy 20 provides strong fatigue resistance, dimensional stability, and dependable performance under pressure fluctuations and aggressive chemical conditions, making these valves perfect for severe service environments.
Alloy 20 Manifold Valves Specifications
| Material | Alloy Steel |
|---|---|
| Seal Material | PTFE/ RPTFE |
| Working Pressure | 1.6 – 6.4Mpa |
| Working Temperature | -29°C — +180°C |
| Availabe Size | 1/2″-4″,(DN15-DN100) |
| Available Connection | BSP/ BSPT/ NPT/ Flanged/ Welded |
| Nominal Pressure | P10/PN16 |
| Operation | Manual,Pneumatic, Electric |
| Suitable Medium | Water,Sewage,Seawater,Gas,Food,Oils,etc |
| Standards | GB9112,DIN2501,BS4504,ISO2084,ANSI125 |
| Applications | Water, Oil, Gas, |
| Nominal Diameter | DN40-DN300 handle lever DN350-DN1200 gear box |
| Operation Temperature | -10°C~150°C |
Alloy 20 Manifold Valves Chemical Composition
| Grade | Ni | Fe | C | Mn | Si | Cu | Cr | Mo | S | P | Nb |
| Alloy 20 Valves | 32 – 38 | Bal | 0.02 max | 1 – 2 | 0.7 max | 3 – 4 | 19 – 21 | 2 – 3 | 0.005 max | 0.02 max | 0.1 – 0.3 |
Alloy 20 Manifold Valves Mechanical Properties
| Element | Tensile Strength | Density | Melting Point | Elongation | Yield Strength (0.2%Offset) |
| Alloy 20 Valves | Psi -80,000, MPa -551 | 8.1 g/cm3 | 1443 °C (2430 °F) | 30 % | Psi – 35,000, MPa – 241 |
Top Alloy 20 Manifold Valve Manufacturing Company in Kolkata
At Rudra Tube Fittings, we are a leading supplier, manufacturer, and exporter of Alloy 20 Manifold Valves in Kolkata, Kolkata. Our state-of-the-art manufacturing facilities, strategically situated in the Kolkata, enable us to deliver high-quality solutions tailored to your specific needs. With an extensive inventory of top-grade alloy steel materials, we are fully equipped to meet your requirements promptly. Our unwavering commitment to excellence and efficiency ensures that we consistently maintain available stock to support your demands, making us your trusted partner in the industry.
Types of Alloy 20 Manifold Valves






Alloy 20 Manifold Valves Equivalent Grades
| STANDARD | UNS | WNR. | AFNOR | EN |
| Alloy 20 | N08020 | 2.4660 | Z2NCUD31-20AZ | NiCr20CuMo |
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Largest Manufacturer and Supplier of Alloy 20 Manifold Valves in Kolkata, Kolkata
Rudra Tube Fittings is a prominent supplier and stockist of premium Alloy 20 Manifold Valves in Kolkata, Kolkata. Our valves are widely used across various industries, reflecting our commitment to delivering exceptional service and ensuring high customer satisfaction. Our advanced manufacturing processes and quality control measures set us apart in the metal industry. We are dedicated to consistently providing top-quality products while effectively meeting the specific needs of our customers, establishing us as a trusted partner in their operations.
Contact us to get a quick quote for your requirement.
We offer These Products as per DIN, ISO, JIS or ANSI Standard.
Alloy 20 Manifold Valves Uses
Alloy 20 Manifold Valves find their place in various industries that require corrosion-resistant instrumentation control. They are particularly well-suited for chemical processing plants, sulfuric acid production, pharmaceuticals, petrochemicals, food and beverage operations, pulp and paper mills, dye manufacturing, and systems that handle chlorides, brines, and acidic media. When installed with differential pressure transmitters and pressure gauges, they effectively manage pressure differentials and ensure optimal performance in challenging environments.



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