Home > Stainless Steel Check Valves
Aditya Stainless, a reputable manufacturer and supplier based in Kolkata, India, specializes in high-quality Stainless Steel Check Valves that are celebrated for their durability, leak-proof design, and exceptional resistance to corrosion. These valves are expertly engineered to facilitate unidirectional flow while preventing backflow, making them crucial for maintaining the integrity of fluid systems. Crafted with advanced machining techniques and rigorously tested materials, Aditya Stainless offers a variety of check valve types—including swing, lift, ball, and wafer—designed to perform in high-pressure and high-temperature settings. They find extensive use in industries such as chemical processing, water treatment, oil and gas, food processing, and pharmaceuticals, all while adhering to global performance and safety standards.
Typically, Stainless Steel Check Valves are made from grades like SS 304, 304L, 316, and 316L, which contain 18–20% chromium and 8–14% nickel, with SS 316 incorporating 2–3% molybdenum for enhanced corrosion resistance. Their mechanical properties boast a tensile strength ranging from 485 to 620 MPa, a yield strength of at least 170 to 310 MPa, and remarkable resistance to oxidation, pitting, and crevice corrosion. These valves are designed to withstand high pressure, tolerate temperatures up to 425°C, and maintain excellent mechanical stability under cyclic loads, making them perfect for demanding processes and ensuring long operational lifespans.
| Pressure | Up to 6000 psi |
|---|---|
| Temperature | Up to 350° F |
| Body Material | 316 SS |
| End Connections | Duolok, Griplok and Unilok tube ends, male and female NPT and BSPT |
| End Connection Sizes | 1/8 to 1/2 in. |
| Material | C | Si | Mn | P | S | Cr | Ni | N |
|---|---|---|---|---|---|---|---|---|
| Stainless Steel | 0.080 max | 0.75 max | 2.00 max | 0.045 max | 0.030 max | 18.00-20.00 | 8.00-10.50 | 0.100 max |
| Material | Yield Strength | Tensile Strength | Elongation (%) | Reduction of Area (%) | Hardness Max | |
|---|---|---|---|---|---|---|
| Min (Mpa) | Min (Mpa) | Min | Min (50mm) | HB | HR B | |
| Stainless Steel | 170 | 458 | 30 | 50 | 201* | 92* |
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We offers high quality stainless steel check valves, rigorously tested for durability and performance. Each valve undergoes a rigorous quality control program, including pressure, leakage and functional testing, to ensure reliability in harsh environments. Certified to industry standards, our valves guarantee optimum efficiency, safety and long-term performance for all applications.
Stainless steel inline check valves, available in sizes from 1/4″ to 12″, ensure reliable backflow prevention with high corrosion resistance. Their compact design is suitable for various industrial and pipeline applications.
Stainless steel swing check valves, ranging from 1/2″ to 12″, offer excellent corrosion resistance and efficient backflow prevention. The swing mechanism allows for smooth, reliable operation in diverse industrial settings.
Non-slam check valves, made from corrosion-resistant stainless steel, are available in sizes from 1″ to 12″. They prevent water hammer and backflow, ensuring smooth operation in high-pressure systems.
Tilting disc check valves, sized from 1″ to 12″, feature a tilting disc design for precise backflow prevention. Their stainless steel construction ensures high corrosion resistance and durability in demanding applications.
Stainless steel lined check valves, available in sizes from 1/2″ to 12″, offer enhanced corrosion resistance with a lining for protection. Ideal for handling aggressive media and preventing backflow in various systems.
Stainless steel check valves come in sizes from 1/4″ to 12″, providing reliable backflow prevention and high corrosion resistance. Suitable for a wide range of industrial applications requiring robust and durable flow control.
Stainless Steel Check Valves play a crucial role in fluid and gas systems where preventing backflow is essential. They are commonly found in chemical plants, oil refineries, pharmaceutical manufacturing, and food and beverage processing, where maintaining purity and safety is critical. In water treatment facilities and HVAC systems, these valves help protect and enhance system efficiency. Additionally, SS check valves are utilized in marine applications, fuel pipelines, boiler feed lines, and compressed air systems, offering corrosion resistance and dependable performance. Their ability to withstand harsh conditions makes them a reliable choice across various industries.
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