tkf butt weld fittings welding fittings  electropolished tubing, valve china factory, leading manufacturer in hygienic materials and biopharma industry fitting tubes

Outside Screw and Yoke (OS&Y) Needle Valves

Main Technical Data:

▪ Working pressure up to 6000 psig (414 bar)

▪ Working temperature -24°C to 649°C (-65°F to 1200°F)

▪ End connections: 1/4″ to 3/4″, 6 mm to 12 mm

▪ End types: compression fitting, male/female NPT, tube butt weld, tube/pipe socket weld

▪ Cold drawn bar as body, Bottom mounting available

▪ Standard seat diameter 0.16″ (4mm). Cv: 0.35 standard

▪ Externally adjustable gland, independent of spindle thread

▪ Hardened stem threads prevent galling

▪ Steady and durable fastening of the handle by double lock-pins

▪ Every valve leak tested with Nitrogen or compressed air at maximum allowable working pressure


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