Alco Needle Valves for all Applications The 'UN' Series Needle Valve Pressure Rated upto 10,000psi (670bar)
The 'UN' Series Needle Valve Pressure Rated upto 10,000psi (670bar)
The precision made ‘UN’ series, single isolation hand valve utilising metal to metal seat and body to bonnet connection for superior, bubble tight sealing capabilities at both extreme pressures and temperatures. Although this unit appears to be the same as it's lower pressure brother, the 6,000psi rated 'N' Series, there are significant differences in the packing materials used for this higher pressure unit. Manufactured in 316/316L S11 stainless steel (N.A.C.E.MR.01.75 latest rev.), Duplex, Monel etc.
Threaded end connections include NPT, BSPP and BSPT. The “N” series also offers non-rotating hardened tip for extended service life. The unique anti-vibration cam locking device at the body bonnet connection is for extra safety.
Working pressure is 10,000 psi (670bar) as standard. Maximum working temperature up to 230°C and up to 570°C with GP option at reduced pressure. Other options such as locking device, hand-wheel and integral venting facility are also available.
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