Needle Monoflange Valve
Needle Monoflange Valve
Trunnion & floating ball valves
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Needle Monoflange Valve
Needle valves have no ball and are mainly used for flow metering and damping pressure fluctuations as instrument valves. These valves are designed to replace conventional multi-valve installations into a single manifold reducing leaking points and allowing easy and quick installation in vertical or either in horizontal position with considerable cost savings.
Construction | One-piece flange |
Leakage rate | Bubble tight shut-off |
Stem retention | Anti blow-out stem |
Materials | EN 10204 3.1 Materials in Sour Service to NACE MR0175, MR0103, ISO 15156, Non-destructive testing (NDT) to API 6D, ASME B16.34 |
Design features | Compact design with double block & bleed assemblies with minimal potential leak paths Non rotating needles Anti-tamper device Combined needles and outside screw and yoke (OS&Y) Low emission packing Metal seated |
Vent | 1/2” NPTF |
Valve operation | Hand-wheel, T-Lever |
Valve testing | API 6D, ASME B16.34, API 598 |
Applicable standard | ASME B16.5, ASME B16.34, API 6A, API 6D |
Pressures range | ASME class 150 to 2500 API 6A class 2000 to 15000 |
Size range | DN15 (1/2") to DN75 (3") |
End connections | ASME B16.5 Flanged RF, RTJ ASME B1.20.1 Threaded NPT (F/M) |
Fire Safe | Optional API 607/BS6755 |
Area Classification | ATEX 94/9/EC |
Pressure Equipment Directive | PED 97/23/EC |