Home > Duplex Check Valve
Duplex Check Valves are critical components in industrial systems, and they are known for their exceptional corrosion resistance and high strength. These valves are made from duplex stainless steel and provide reliable performance in demanding environments such as oil and gas, chemical processing, and marine applications. Designed to prevent backflow and ensure system integrity, duplex check valves offer superior durability, temperature tolerance, and cost-effectiveness, making them a preferred choice for various industries.
| INSTRUMENTATION VALVES MATERIAL | DUPLEX 2205 |
| INSTRUMENTATION VALVES SIZE | 6 MM TO 50 MM and 1/8″ TO 2″ |
| PATTERN FLOW | STRAIGHT |
| THREADS | BSPP, NPT, METRIC, BSPT,UNF, JIC |
| INSTRUMENTATION VALVES ORIFICE SIZE | 2 MM – 40 MM |
| CONNECTION | SOCKET WELD END, TUBE END, THREADED, FLANGE END |
| INSTRUMENTATION VALVES BODY SHAPE | HEXAGON |
| EQUIVALENT BRANDS | PARKER, SWAGELOK, DK-LOK, STAUFF, OLIVER VALVES, HAMLET, HOKE |
| CRACKING PRESSURE | 0.5 BAR |
| TYPE | SPRING TYPE, POPPET TYPE |
| RATING PRESSURE | 20000 PSI, 1500 PSI, 10000 PSI, 3000 PSI, 6000 PSI, 15,000 PSI |
| MEDIA TEMPERATURE | (-50* C – 350*C ) AS PER PRESSURE RANGE |
| MEDIA | SEA WATER , HYDRAULIC AIR, OIL, GAS, WATER, HOT WATER , STEAM, COLD WATER , CHEMICAL |
| BODY TYPE | FORGED, BAR STOCK |
| INSTRUMENTATION VALVES PACKING DETAILS | WOODEN PALLET, BOX PACKING |
| ELEMENT | DUPLEX 31803 | DUPLEX 2205 |
|---|---|---|
| C | 0.030 max | 0.030 max |
| NI | 4.50 – 6.50 | 4.50 – 6.50 |
| MN | 2.00 max | 2.00 max |
| S | 0.020 max | 0.20 max |
| FE | 63.72 min | 63.54 min |
| P | 0.030 max | 0.030 max |
| SI | 1.00 max | 1.00 max |
| MO | 3.0 – 3.5 | 2.50 – 3.50 |
| CR | 22.0 – 23.0 | 21.0 – 23.0 |
| N | 0.14 – 0.20 | 0.08 – 0.20 |
| Grade | Hardness(BHN) | UTS (MPa) | YS (MPa) | % Elongation |
| 2205 | 293 max. | 655 min. | 450 min. | 25 min. |
| 31803 | 293 max. | 620 min. | 450 min. | 25 min. |
At PipingMart, we take pride in being the largest supplier and manufacturer in the UAE, offering cutting-edge solutions for all your piping needs. With state-of-the-art production plants strategically located in the UAE, we boast a vast inventory of over 25,000 tons of premium-quality materials readily available in stock.
Contact us to get a quick quote for your requirement.
We offer These Duplex Check Valve as per DIN, ISO, JIS or ANSI Standard.
Duplex Check Valve applications are as diverse as the industries they serve driven primarily by the aerospace, railway, construction and automotive industries with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
When installing a Duplex check valve, ensure the material compatibility with the system’s fluids to prevent corrosion and degradation. Correct alignment and secure fastening are critical to avoid leaks and ensure proper operation. The valve should be installed in the correct flow direction, with sufficient space allowed for maintenance and inspection. Additionally, adhere to manufacturer guidelines for pressure ratings and torque settings to ensure optimal performance and longevity. Properly clean and prepare the piping system to prevent contamination and damage to the valve.
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Email: sales@pipingmart.ae
