Parker Autoclave QS Series needle valves are designed as a high flow, non-rotating rising stem valve, with working pressures to 15,000 psi (1034 bar). These needle valves utilize a revolutionary single ferrule compression sleeve design (QS) for fast and easy installation. The valves are designed to be used with Parker Autoclave tubing in sizes ranging from 1/4"" to 1"". Operating temperatures can go from -100F to 650°F (-73°C to 343°C) with special graphite braided yarn packing (GY). 316 stainless steel construction is the standard material with other options available. Along with their many features these valves provide dependable and trouble-free service in wide variety of applications.

Markets:

• Oil and Gas

• Petrochemical

• Chemical

Features/Benefits:

• Tubing sizes from 1/4" to 1".

• Revolutionary Compression Ferrule (QS) allows working pressures to 15,000 psi (1034 bar) in all tubing sizes.

• Non-rotating stem prevents stem/seat galling.

• Anti-galling molybdenum disulfide coated gland nuts.

• Gland nut positioning mark for assembly.

• Connection weep holes for safety and leak detection.

• Metal-to-metal seating achieves bubble-tight shut-off, longer stem/seat life in abrasive flow, greater durability for repeated on/off cycles and excellent corrosion resistance.

• Stem sleeve and packing gland material have been selected to achieve extended thread cycle life and reduced handle torque.

• Choice of Vee or Regulating stem tip.

• Available in two body patterns.

Applications:

• Medium Pressure Skid Panels

• Chemical Injection

• Medium Pressure Fluid Handling Systems

• Test Benches

Brand: Autoclave Engineers