This type of needle valve is employed very pratically, for installation of pressure gauges and pressure switches and it is possible zeroing of instruments by mean of vent needle screw.
- Bar stock body with outside screwed bonnet, zeroing screw and pressure gauge flange
in the bottoni side.
- Connections: 180° Threaded or socket welding
- Nominal operating pressure: Serie 3000-6000 / 210- 420 Kg/cmq
- Packing material P.T.F.E. as standard max temperature 180°C
- Packing for temperature until 5OO°C in Grafoil
- Material: AISI 316. Other material on request