About

  • 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 Acetal non-rotating soft tip stem, and a back-up metal-to-metal seal (U.S. Patent 6,820,857)

Featured Specifications

Seat

Hard Seat

Connection

1/4" NPT

Material

Electropolished 316 Stainless Steel

Pressure Ratings at 200 Degree Fahrenheit (ºF) Temperature

10,000 psi

Product Specifications

Type
Needle Valve
Series
800
Connection
1/4" NPT
Material
Electropolished 316 Stainless Steel
Stem Seal and Type
All 316 stainless steel stems with Fluorocarbon (FKM) o-ring and Polytetrafluoroethylene (PTFE) back-up ring below the threads, Polytetrafluoroethylene (PTFE) or Graphite (800 Series only) packing optional
Pressure Ratings at 200 Degree Fahrenheit (ºF) Temperature
10,000 psi
Weight
0.4 lb
Seat
Hard Seat
Stem Tips Material
Ball (440C Stainless), Ball (Carbide), Ball (Ceramic), Ball (Monel)
Handles
2-1/2" "T", 1-3/8" Phenolic, 1-3/4" Phenolic
Warranty
3 yr
Valve Type
Male
Valve Material
Stainless Steel

Limitations Which Apply Are

Limitations Which Apply Are
These units must be operated within the catalogued environmental and application parameters. Determination of failure will be made by NOSHOK, Inc.'s equipment and personnel or a certified test facility specializing in this type of evaluation.

In keeping with and for purposes of product and/or manufacturing process improvements, NOSHOK, Inc. reserves the right to make design changes without prior notice.

Additional Information

Additional Information
  • 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability 10,000 psi hard seat pressure rating at 200 ºF
  • FKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite (800 Series only) packing optional
  • 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)

Options and Accessories

Installed Options and Accessories
  • Packing (If a packing option is chosen, maximum pressure rating is 6,000 psi. Refer to the Pressure vs. Temperature: Packing Style with Compatible Fluid chart Options Reference Chart)
    • PTFE (P1)
    • Graphite (P2)
  • Stem Tips
    • Non-rotating (316 Stainless Steel) (T1)
    • Acetal (T2)
    • Ball, 440C Stainless Steel (T5) - For 800 Series only
    • Ball, carbide (T6) - For 800 Series only
    • Ball, ceramic (T7) - For 800 Series only
    • Ball, Monel (T8) - For 800 Series only
  • O-Rings (Other o-ring materials available on request)
    • EPDM (EM1)
    • FFKM (Perfluoroelastomer) 3018 or equivalent (KZ1)
    • NBR (NB1)
  • Handles
    • 2-1/2" T-Handle (HL2) - For 800 Series only
    • 1" Round Knurled Handle (HL3)
    • 1-3/8" Phenolic Handle (HL4) - For 800 Series only
    • 1-3/4" Phenolic Handle (HL5) - For 800 Series only
  • Cleaning For Oxygen Service (Stainless Steel & Brass Only)
Assembly Options
NOSHOK offers multiple assembly options to meet your specific system requirements. Consult factory to discuss your customized solution.

Note

Note
Please note that the standard o-ring in all the NOSHOK valves is FKM and the standard handles are 1" round knurled handles (HL3) on brass, and 1-3/8" mini "T" handles (HL7) on stainless steel and steel.

The handle material will always match the material of the valve, unless otherwise specified. For example, the mini "T" handle (HL7) on the 802-MC will be steel. When only the standard configuration is needed, no additional designations are necessary. Please consult the factory for special application requests.

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.

Prop 65 Warnings

Prop 65 Warnings
⚠️ WARNING: This product can expose you to chemicals including Lead and Nickel, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov