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Paul Tube Fittings is a renowned manufacturer and supplier of world-class Stainless Steel 321 Manifold Valves headquartered in Houston, USA. With emphasis on accuracy engineering and reliability, we offer cutting-edge valve solutions engineered to excel in high-temperature and corrosive operating conditions. Our valves are produced in accordance with international standards to guarantee safety and efficiency in industrial systems. Whether for instrumentation, oil & gas, or petrochemical usage, our manifold valves are of high reliability and performance. At Paul Tube Fittings, we dedicate ourselves to providing superior products and tailor-made services in accordance with a vast variety of industrial needs.
Stainless Steel 321 Manifold Valves consist mainly of iron, chromium (17–19%), and nickel (9–12%), with the addition of titanium (at least five times the carbon content) to balance the alloy against carbide precipitation. The resulting composition improves resistance to intergranular corrosion. Mechanically, SS 321 has tensile strength of approximately 515 MPa, yield strength of about 205 MPa, and superior elongation properties. The material has mechanical stability at high temperatures up to 870°C and is appropriate for high-stress and high-temperature applications. Its corrosion resistance, toughness, and strength provide long life in aggressive environments.
| THREAD | BSPP, NPT,BSPT |
| VALVES SIZE | 1/8″ – 1″ |
| CONNECTION | FLANGE END, THREADED |
| FUNCTION | 3 WAY, 2 WAY, 5 WAY |
| TYPE | T TYPE, R TYPE, H TYPE |
| PRESSURE RATING | 3000 PSI, 1500 PSI, 10000 PSI, 6000 PSI, 15,000 PSI |
| BODY SHAPE | RECTANGLE, SQUARE |
| ORIFICE SIZE | 2 MM – 9.5 MM |
| BODY TYPE | FORGED, BAR STOCK |
| MEDIA TEMPERATURE | AS PER PRESSURE RANGE (-120* C TO 500*C ) |
| HANDLE | T-HANDLE |
| MATERIAL | SS 304, TITANIUM, SS 316, SS 316 TI, BRASS, COPPER, CS, INCONEL, SUPER DUPLEX, HASTELLOY, DUPLEX, ALLOY 20, MONEL, 904L, SMO 254 and ALL OTHER ALLOYS |
| EQUIVALENT BRANDS | PARKER, SWAGELOK, HAMLET, ROSE MOUNT, HOKE, OLIVER VALVES |
| PACKING DETAILS | WOODEN PALLET, BOX PACKING |
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 5(C+N) – 0.70 max |
| SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
At Paul Tube Fittings, we are the largest supplier, manufacturer, and exporter of Stainless Steel 317 Manifold Valves in Houston, USA. Our state-of-the-art manufacturing facilities, strategically located in the USA, enable us to deliver high-quality valve solutions tailored to your specific requirements. With a robust inventory of top-grade stainless steel materials, we are well-equipped to meet your needs promptly. Our commitment to excellence and efficiency ensures that we consistently maintain available stock to support your demands, making us a trusted partner for reliable manifold valve solutions.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| SS 321 | 1.4541 | S32100 | SUS 321 | – | – | – | X6CrNiTi18-10 |
| SS 321H | 1.4878 | S32109 | SUS 321H | – | – | – | X12CrNiTi18-9 |
Paul Tube Fittings is a leading supplier and stockist of high-quality Stainless Steel 321 Manifold Valves in Houston, USA. Our products are extensively used across diverse industries, and we are committed to providing exceptional service while ensuring high customer satisfaction. Our unique manufacturing techniques and stringent quality control processes distinguish us in the metal industry. We strive to consistently deliver top-notch products while effectively meeting the needs of our customers, ensuring reliability and durability in every manifold valve we supply.
Contact us to get a quick quote for your requirement.
The Stainless Steel 321 Manifold Valves are commonly utilized in industries where there’s a need for high resistance to heat as well as oxidation. The valves are most suitable for use in chemical process, oil and gas, power generation, aerospace, and maritime industries. They control liquid and gas flow accurately and are particularly designed for high-temperature application, such as steam pipe lines, heat exchangers, and furnace parts. Titanium stabilization in SS 321 avoids precipitation of carbides, which makes the valves ideal for thermal cycle-exposure and corrosive fluids or agents-exposure environments. Their sturdy buildup and heat resistance provide stable performance in critical control systems and instrumentation panels.
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