Paul Tube Fittings, based in Houston, USA, is a reliable manufacturer and supplier of high-performance Hastelloy Check Valves. These valves are specifically designed to ensure dependable backflow prevention, even in the harshest chemical and corrosive environments. Made from Hastelloy C22 or C276—nickel-based alloys celebrated for their exceptional resistance to both oxidizing and reducing agents—these check valves are built with precision and durability in mind. They effectively maintain unidirectional flow in pipelines that handle corrosive fluids or gases. Paul Tube Fittings guarantees that each valve adheres to stringent international quality standards, making them perfect for industries like chemical processing, marine, pharmaceuticals, and wastewater treatment.
Paul Tube Fittings, based in Houston, USA, is a reliable manufacturer and supplier of high-performance Hastelloy Check Valves. These valves are specifically designed to ensure dependable backflow prevention, even in the harshest chemical and corrosive environments. Made from Hastelloy C22 or C276—nickel-based alloys celebrated for their exceptional resistance to both oxidizing and reducing agents—these check valves are built with precision and durability in mind. They effectively maintain unidirectional flow in pipelines that handle corrosive fluids or gases. Paul Tube Fittings guarantees that each valve adheres to stringent international quality standards, making them perfect for industries like chemical processing, marine, pharmaceuticals, and wastewater treatment.
| INSTRUMENTATION VALVES MATERIAL | HASTELLOY |
| INSTRUMENTATION VALVES SIZE | 6 MM TO 50 MM and 1/8″ TO 2″ |
| THREADS | BSPP, NPT, METRIC, BSPT,UNF, JIC |
| CONNECTION | SOCKET WELD END, TUBE END, THREADED, FLANGE END |
| INSTRUMENTATION VALVES BODY SHAPE | HEXAGON |
| INSTRUMENTATION VALVES ORIFICE SIZE | 2 MM – 40 MM |
| PATTERN FLOW | STRAIGHT |
| EQUIVALENT BRANDS | PARKER, SWAGELOK, DK-LOK, STAUFF, OLIVER VALVES, HAMLET, HOKE |
| CRACKING PRESSURE | 0.5 BAR |
| RATING PRESSURE | 20000 PSI, 1500 PSI, 10000 PSI, 3000 PSI, 6000 PSI, 15,000 PSI |
| TYPE | SPRING TYPE, POPPET TYPE |
| BODY TYPE | FORGED, BAR STOCK |
| MEDIA | SEA WATER , HYDRAULIC AIR, OIL, GAS, WATER, HOT WATER , STEAM, COLD WATER , CHEMICAL |
| INSTRUMENTATION VALVES PACKING DETAILS | WOODEN PALLET, BOX PACKING |
| MEDIA TEMPERATURE | (-50* C – 350*C ) AS PER PRESSURE RANGE |
| Co | C | Cr | Mo | Mn | Fe | Ni | S | Si | P | |
| Hastelloy C276 | 2.5 Max | 0.010 Max | 14.50 – 16.50 | 15.00 – 17.00 | 1.00 Max | 4.00 – 7.00 | Balance | 0.03 Max | 0.08 Max | 0.04 Max |
| Hastelloy C22 | 2.5 Max | 0.010 Max | 20 – 22. | 12.5 – 14.5 | 0.50 Max | 2 – 6 | Balance | 0.02 Max | 0.08 Max | 0.02 Max |
| Melting Point | Density | Tensile Strength | Elongation | Yield Strength (0.2%Offset) | |
|---|---|---|---|---|---|
| Hastelloy C276 | Psi – 1,15,000 , MPa – 790 | 40% | 1370 °C (2500 °F) | 8.89 G/Cm33 | Psi – 52,000 , MPa – 355 |
| Hastelloy C22 | Psi – 1,00,000 , MPa – 690 | 45 % | 1399 °C (2550 °F) | 8.69 G/Cm3 | Psi – 45000 , MPa – 310 |
| Hastelloy B3 | Psi – 1,15,000 , MPa –760 | 40% | 1370 °C (2550 °F) | 9.2 G/Cm3 | Psi – 52,000 , MPa – 350 |
| Hastelloy B2 | Psi – 1,15,000 , MPa –760 | 40% | 1370 °C (2550 °F) | 9.2 G/Cm3 | Psi – 52,000 , MPa – 350 |
| Hybrid BC1 | 725 | 40% | 1343 – 1443°C | 8.83 G/Cm³ | 310 |
| Hastelloy C4 | 783 | 55% | 1350-1400 °C | 8.64 G/Cm3 | 365 |
| Hastelloy X | 655 MPa | 35% | 1355°C | 8.22 G/Cm³ | 240 MPa |
At Paul Tube Fittings, we are the leading supplier, manufacturer, and exporter of Hastelloy Check Valves in Houston, USA. Our advanced manufacturing facilities, strategically located in the USA, enable us to deliver high-quality, customized solutions tailored to your specific needs. With an extensive inventory of over 16,000 tons of premium-grade Hastelloy materials, we are fully equipped to meet your demands efficiently. Our commitment to excellence and efficiency ensures that we consistently maintain sufficient stock to support your business requirements and provide reliable performance in critical applications.
| STANDARD | GOST | UNS | WERKSTOFF NR. | BS | AFNOR | EN | JIS |
| Hastelloy C22 | – | N06022 | 2.4602 | – | – | NiCr21Mo14W | NW 6022 |
| Hastelloy C276 | ХН65МВУ | N10276 | 2.4819 | – | – | NiMo16Cr15W | NW 0276 |
Paul Tube Fittings is a leading supplier and stockist of premium Hastelloy Check Valves in Houston, USA. Our products are widely used across various industries, and we are dedicated to delivering exceptional service while ensuring complete customer satisfaction. With our advanced finishing techniques, we differentiate ourselves in the metal industry. We are committed to consistently providing top-quality Hastelloy Check Valves while efficiently meeting the diverse needs of our clients, ensuring reliable performance and durability in demanding applications.
Contact us to get a quick quote for your requirement.
The Hastelloy Check Valves from Paul Tube Fittings are made from top-quality Hastelloy C22 or C276, both of which are nickel-chromium-molybdenum alloys that excel in resisting corrosion in oxidizing, reducing, and mixed media environments. These alloys boast impressive tensile strength (around 690 MPa), excellent resistance to pitting and crevice corrosion, and remarkable thermal stability. The valves feature strong sealing mechanisms and spring-loaded discs to ensure reliable backflow prevention, even under pressure. Their mechanical integrity, chemical compatibility, and durability make them ideal for critical flow systems operating in highly corrosive, high-temperature, or high-pressure conditions across various industrial sectors.
Please feel free to contact us if you need any further information or for enquiry.
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