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

Screwed Bonnet 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: 1/8″ to 1 1/4″, 6 mm to 28 mm

▪ End types: tube fitting, male/female NPT, BSPT, BSPP, butt weld, socket weld

▪ Cold drawn bar as body and Two-piece stem design

▪ Upper stem thread lubricant isolated from system media

▪ Safety back seating seal in fully open position

▪ Panel mounting available

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

▪ Handles of different colors available


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