Severe Service Valves

Sever Service Valves to 10,000 psi (690 bar)


Parker Autoclave Engineer's severe service valve is designed for reliable shut-off in abrasive, erosive, and sour fluids. Connection sizes are 1/4", 1/2" and 3/4" NPT with an operating temperature from -20°F to 275°F (-29°C to 135°C).


  • Pipe sizes are 1/4", 1/2" and 3/4".

  • Low operating torque.

  • Non-rotating tungsten carbide (ball point) stem.

  • Stem back seat for blow-out prevention.

  • Dust seal prevents stem thread contamination.

  • Stem packing adjustment not required.

  • Complies with NACE MR0175.

  • Moly lubricated stem threads.

  • Panel mount option available.


Parker Autoclave Engineers severe service valves are used as fluid handling components in oil and gas industries where H2S is present. They are suitable for a wide range of service duty applications and comply with NACE MR0175. The valve's unique stem design includes a non-rotation ball point as well as blow-out protection.

Severe Service Valves