Instrument Devices

Needle Valve

Nevél Needle Valves have plenty control and flow measuring industrial applications as well as instrument for protection, purge or sampling.

The main purpose is the maintenance of: manometres,trasn- mitters, pressure switches, purges, flow sample y adjustments.


• Disassemble bar handle.

• Manufactured valves by request.

• Plenty of size and process connections.

• Maximum pressure: 10000 PSI (700 kg/cm2)

• Maximum Temperature: 700 °F (400°C) in corrosive environ- ment


• Connections: 1/8” - 3” NPT female or male, flange and weld as the request specifies.

• Body: manufactured in lathe in the next types: balloon, straight, angle, multiport or with purge valve.

• Stem: external threaded in wich there is no fluid contact, this ensures the seal, the threads life and the easy lock.

• Spike: thin needle, no-rotatory needle, soft needle, firm ball.

• Bonet: exists two different types for different pressures: 6400 PSI & 10000 PSI(425 Kg/cm2 & 700 kg/cm2). Hermetic close with the body.

• Seat: hermetic, meatl-metal or soft of PTFE or nylon.

• Seal: PTFE, viton, asbesto, grafoil.

• Bar Handle: disassemble, same material as the body.

• Finishing: stainless insdutrial polished steel, cabron steel zinc plated, special corrosive recoats.

• Materials: standard -stainless steel solid bar AISI 316- optional -stainless steel bar, carbon steel , regulations: NACE MR0175

PTFE, nylon, PVC, bronze, aluminium , HatelloyPTFE, alloy 20, monel, etc.

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