Home > Duplex Needle Valve
Duplex Needle Valves are critical for dependable operation in corrosive and high-pressure settings. Built from duplex stainless steel, these valves provide outstanding strength and corrosion resistance, making them well suited for use in oil and gas, chemical processing, and marine industries. Offering accurate flow control, duplex needle valves deliver dependability and efficiency in vital fluid handling operations, helping to improve safety and operational performance.
| MATERIAL | DUPLEX |
| ORIFICE SIZE | 2 MM – 9.5 MM |
| SIZE | 6 MM TO 50 MM and 1/8″ TO 2″ |
| THREAD | METRIC, NPT, BSPP, BSPT, JIC, UNF |
| FLOW PATTERN | STRAIGHT, ANGLE, CROSS PATTERNS |
| BODY SHAPE | ROUND, SQUARE, HEXAGON |
| FUNCTION | 3 WAY, 2 WAY |
| CONNECTION | THREADED, TUBE END, BUTT WELD, SOCKET WELD, FLANGE END |
| PRESSURE RATING | 15,000 PSI, 3000 PSI, 1500 PSI, 10000 PSI, 6000 PSI, 20000 PSI |
| BODY TYPE | FORGED, BAR STOCK |
| MEDIA | AIR, HYDRAULIC OIL, GAS, WATER, HOT WATER , STEAM, SEA WATER , COLD WATER , CHEMICAL |
| EQUIVALENT BRANDS | OLIVER VALVES, SWAGELOK, PARKER, DK-LOK, HAMLET, HOKE |
| HANDLE | KNOB HANDLE, BAR T-HANDLE, WHEEL HANDLE |
| MEDIA TEMPERATURE | (-120* C – 500*C ) AS PER PRESSURE RANGE |
| PACKING DETAILS | WOODEN PALLET, BOX PACKING |
| ELEMENT | DUPLEX 2205 | DUPLEX 31803 |
|---|---|---|
| NI | 4.50 – 6.50 | 4.50 – 6.50 |
| C | 0.030 max | 0.030 max |
| S | 0.20 max | 0.020 max |
| N | 0.08 – 0.20 | 0.14 – 0.20 |
| MN | 2.00 max | 2.00 max |
| P | 0.030 max | 0.030 max |
| FE | 63.54 min | 63.72 min |
| MO | 2.50 – 3.50 | 3.0 – 3.5 |
| SI | 1.00 max | 1.00 max |
| CR | 21.0 – 23.0 | 22.0 – 23.0 |
| Grade | % Elongation | YS (MPa) | Hardness(BHN) | UTS (MPa) |
| 31803 | 25 min. | 450 min. | 293 max. | 620 min. |
| 2205 | 25 min. | 450 min. | 293 max. | 655 min. |
At Sumakhsteel, we are proud to be the largest supplier and manufacturer in the USA, delivering advanced solutions for every one of your piping requirements. With cutting-edge manufacturing facilities strategically situated across the USA, we maintain an extensive stock of more than 25,000 tons of high-quality materials kept readily on hand.
Reach out to us for a fast quote on your requirement.
We supply these Duplex Needle Valve conforming to DIN, ISO, JIS or ANSI Standard.
Duplex Needle Valve uses are as varied as the sectors they cater to, led chiefly by the aerospace, railway, construction and automotive industries alongside petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
When installing duplex needle valves, several factors must be taken into account to achieve the best performance and durability. Verify that the valve matches the system’s pressure and temperature demands, since duplex stainless steel valves are generally applied in high-pressure and corrosive settings. Correct alignment and firm mounting are vital to avoid leaks and guarantee dependable operation across changing conditions. Employ compatible sealing materials appropriate for duplex stainless steel to preserve the valve’s integrity and functionality. Adhere to the manufacturer’s guidelines for installation steps to get the most out of the valve’s efficiency and service life.
Contact Us: +91 7208967217
Email: sales@sumakhsteel.com
