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Medium Pressure Needle Valves SM Series - Autoclave Engineers? from Parker Parker Autoclave's SM Series needle valves are designed with large ports for high flow applications. These valves have a non-rotating rising stem bar stock design with working pressures to 20,000 psi (1379 bar). The cone and thread connections utilize Parker Autoclave tubing with sizes from 1/4" to 1". Operating temperatures can go from -423°F to 1200°F (-252°C to 649°C) with special graphite braided yarn packing (HT). 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.

Medium Pressure Needle Valves SM Series - Autoclave Engineers? Features:

Largest-port valves available for medium pressure applications.
Tubing sizes available from 1/4 to 1.
Rising stem/bar stock body design.
Non-rotating stem prevents stem/seat galling.
New one-piece stem design permits ease of assembly and packing replacement.
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.
PTFE encapsulated packing provides dependable stem and body sealing.
Stem sleeve and packing gland materials have been selected to achieve extended thread cycle life and reduced handle torque.
Choice of Vee or Regulating stem tip.
Available in five body patterns.
EC-79 CERTIFIED
ISO 19880-3 TESTED