微信打開Oliver Valvetek Limited manufactures a range of small bore subsea needle valves, from 0.25″ [6mm] bore to 1.00″ [25mm] bore. These needle valves typically have an operating pressure rating up to 15,000psi [1035 bar] and an operating temperature range of -20F[-29C] to +350F[+177C]. The Manually Operated Subsea Needle Valves have a typical water depth rating of 10,000ft [3050m].
Dependant on the application and operational torque required, Oliver Valvetek manufactures its range of needle valves in either Diver Operated (Light Duty), Standard Duty, Medium Duty and Heavy Duty Needle Valves for subsea use. See see our needle valve data shetts for further information.
Subsea Needle Valves are commonly used to provide a metal to metal seating isolation solution without resorting to the more complex and expensive gate valves. The valves are typically used on Christmas trees to isolate downhole safety valve lines and gasket test lines. Oliver Valvetek provides a range of small-bore needle valves in bodies with flanged, threaded and welded end connections to suit all applications.
The small-bore subsea needle valves are qualified at different pressure ratings up to 15,000psi [1035 bar] and are suitable for 3050m [10,000ft] water depths. Qualification testing is performed to the exacting standards of API 6A and 17D 2nd edition as well as client and project specific applicaiton testing.