Home > Super Duplex Needle Valve
Super Duplex Needle Valvesare high-performance products engineered for enhanced durability and reliability in high-pressure, harsh environments. Constructed from super duplex stainless steel, these valves deliver greater strength, along with corrosion and erosion resistance. They provide precise and dependable flow control in offshore oil and gas, chemical processing, and marine applications. Thanks to their exceptional material properties, super duplex needle valves promote safety and efficiency in critical fluid handling operations.
| MATERIAL | SUPER DUPLEX |
| VALVES SIZE | 6 MM TO 50 MM and 1/8″ TO 2″ |
| THREAD | METRIC, BSPP, NPT, JIC, BSPT, UNF |
| FLOW PATTERN | ANGLE, STRAIGHT, CROSS PATTERNS |
| FUNCTION | 3 WAY, 2 WAY |
| ORIFICE SIZE | 2 MM – 9.5 MM |
| CONNECTION | TUBE END, THREADED, SOCKET WELD, BUTT WELD, FLANGE END |
| BODY SHAPE | ROUND, SQUARE, HEXAGON |
| HANDLE | KNOB HANDLE, BAR T-HANDLE, WHEEL HANDLE |
| BODY TYPE | FORGED, BAR STOCK |
| PACKING DETAILS | WOODEN PALLET, BOX PACKING |
| PRESSURE RATING | 15,000 PSI, 3000 PSI, 1500 PSI, 10000 PSI, 6000 PSI, 20000 PSI |
| EQUIVALENT BRANDS | OLIVER VALVES, PARKER, SWAGELOK, HAMLET, DK-LOK, HOKE |
| MEDIA | AIR, HYDRAULIC OIL, GAS, WATER, HOT WATER , STEAM, SEA WATER , COLD WATER , CHEMICAL |
| MEDIA TEMPERATURE | (-120* C – 500*C ) AS PER PRESSURE RANGE |
| Grade | S32760 | S32750 |
| Mn | 1.00 max | 1.20 max |
| Ni | 6.00 – 8.00 | 6.00 – 8.00 |
| P | 0.030 max | 0.035 max |
| C | 0.05 max | 0.030 max |
| N | 0.20 – 0.30 | 0.24 – 0.32 |
| Si | 1.00 max | 0.80 max |
| Mo | 3.00 – 4.00 | 3.00 – 5.00 |
| S | 0.010 max | 0.020 max |
| Cr | 24.00 – 26.00 | 24.00 – 26.00 |
| Fe | 57.61 min | 58.095 min |
| Melting Point (°F) | 2460 |
| Density (lb/in 3) | 0.281 |
| Melting Point (°C) | 1350 |
| Density (g/cm 3) | 7.8 |
At Koasteel, we’re proud to be the largest supplier and manufacturer in the New Zealand, delivering advanced solutions for every one of your piping requirements. With cutting-edge production facilities strategically situated in the New Zealand, we maintain an extensive stock of more than 25,000 tons of top-quality materials on hand and ready to ship.
Reach out to us for a fast quote tailored to your needs.
We supply these Super Duplex Needle Valve according to DIN, ISO, JIS or ANSI Standard.
Super Duplex Needle Valve uses span across a wide range of sectors, led chiefly by the aerospace, railway, construction and automotive fields, along with petrochemical, nuclear, medical, Oil & Gas, Chemical, Pharmaceutical, Food & Beverage, Nuclear, Thermal Power plants, Paper and Pulp, marine and mining, etc.
When installing Super Duplex needle valves, several important factors help guarantee peak performance and durability. Begin by confirming that the valve suits the system’s pressure and temperature demands, since Super Duplex stainless steel is generally applied in high-pressure and corrosive settings. Correct alignment and firm mounting matter greatly to avoid leaks and secure dependable operation across changing conditions. Employ compatible sealing materials appropriate for Super Duplex stainless steel to preserve the valve’s integrity. Adhere to the manufacturer’s instructions for installation to get the most efficiency and service life from the valve.
Mail: sales@koasteel.nz
