- Bleed valves provide a convenient means to relieve process pressures
trapped between a shut off valve and the instrument - Uses the same bonnet assemblies of the 100/150 Series mini valves with
an integrated single threaded body for insertion in vent port - Soft tip valves feature a patented Delrin® non-rotating soft tip stem, and
a back-up metal-to-metal seal (U.S. Patent 6,820,857) - 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and
reliability 10,000 psi hard seat pressure rating @ 200 °F - Available in zinc-nickel plated steel, electropolished stainless steel, and brass
- FKM o-ring seal and PTFE back-up ring below the stem threads to protect
from corrosion and galling; PTFE or Grafoil® (800 Series only) packing optional - All stems are 316 stainless steel
- All stem threads are rolled for strength and ease of operation
- 0.159" bleed port
- Patented body-to-bonnet, metal-to-metal seal is designed to significantly
increase the pressure range of the valve (U.S. Patent 7,758,014)
*Note: If a packing option is chosen, maximum pressure rating is 6,000 PSI. Refer to the "Pressure vs. Temperature: Packing Style with Compatible Fluid" .pdf to the right-hand side of this page.
All NOSHOK valve products conform to the MSS SP-99 instrument valves standards, and valves supplied with packing
also conform to MSS SP-132 compression packing systems for instrument valves standard.
