Novel half-inch bore instrumentation needle valve from Parker Hannifin boosts reliability in viscous and contaminated media applications

Parker's new H-series needle valve is available in two forms:

1. A discrete hand valve for controlling media flow     
   
2. Integrated into a monoflange-style manifold for the safe 'double-block-and-bleed' connection of instruments to process lines

• The H-series needle valve has a bore size of 1/2 inch/12.7 mm, with a Cv value of 2.6.
• In its standard form the needle valve is fabricated from 316 stainless steel, and is rated for operation at pressures up to 6,000 PSIG (414 barg)
  
• The metal to metal sealing of the new needle valve also meets the firesafe requirements of ISO 10497 which is the international equivalent to the API 607 and BS6755 Part 2 standards

• The large flow path of the half-inch H-series needle valve makes it much less prone to blockages and other such problems, expecially when dealing with viscous and contaminated media.
• The new half inch needle valves also offer a metal-to-metal seal, providing a bubble-tight shut-off mechanism and operation over a very wide temperature range of -55 to +538 degrees C in its standard stainless steel form. 
• The innovative design of the half inch valve can help process engineers achieve new levels of compactness and performance in a wide range of process and instrumentation applications used in the manufacturing and industrial sectors.