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800/850 Series Bleed, Hard Seat & Soft Tip Needle Valves

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Application Brochures
Oil & Gas
  • 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 Graphite (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)

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ORDERING INFORMATION

SERIES 8 800/850 Series, hard seat/soft tip        
CONNECTION SIZES 02 Hard seat 1/4" NPT 52 Delrin® soft tip 1/4" NPT    
04 Hard seat 1/2" NPT 54 Delrin® soft tip 1/2" NPT    
VALVE TYPES MC Male, Steel MS Male, Stainless Steel MB Male, Brass

 

ORDERING INFORMATION - Additional Options

PACKINGS P1 PTFE P2 Graphite    
STEM TIPS T1 Non-rotating (316 stainless) T5 Ball (440C stainless)** T8 Ball (Monel)**
  T3 PCTFE*** T6 Ball (carbide)**    
  T4 PEEK*** T7 Ball (ceramic)**    
O-RINGS* EM1 EPDM KZ1 FFKM (Kalrez® 3018 or equivalent) NB1 NBR
HANDLES HL2 2-1/2" "T"** HL4 1-3/8" Phenolic** HL5 1-3/4" Phenolic**
  HL3 1" Round knurled        

† 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.
* Other o-ring materials available on request.
** For 800 Series only.
*** For 850 Series only.

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.

To meet all of your specific application requirements, the following additional options are available for these needle valves. To order all or any of these options, simply add them to the part number as shown in the diagram below.

NOTE 1: The example shown includes ALL possible additional options. Please include ONLY the options required for your application when building your part number. (EXAMPLE: 802-MC-EM1)

NOTE 2: 
When a packing option is selected, an o-ring option is NOT available.

If you are viewing on a smaller screen or with screen zoom, please use the horizontal scroll bar at the bottom of this table to see all information.

SPECIFICATIONS
Materials Zinc-nickel plated steel, electropolished
316 stainless steel, 360 brass
Connections 1/4" & 1/2" NPT
Hard seat
pressure ratings*
Brass: 6,000 psi @ 200 °F
Steel: 10,000 psi @ 200 °F
Stainless Steel: 10,000 psi @ 200 °F
Soft tip
pressure ratings
Brass: 3,000 psi @ 200 °F
Steel: 6,000 psi @ 200 °F
Stainless Steel: 6,000 psi @ 200 °F
Bleed port 0.159"
Steam seal & type All 316 stainless steel stems with FKM o-ring and PTFE back-up ring below the threads, PTFE or Graphite (800 Series only) packing optional
Options Panel mountings, o-ring materials, handles, packings, regulating stem and stem tips
Weight Approximately 0.4 lb.

* 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.

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.

Options & Accessories

  • Packing*
    • PTFE (P1)
    • Graphite (P2)
  • Stem Tips
    • Non-rotating, 316 Stainless Steel (T1)
    • Delrin®, Acetal (T2)
    • PCTFE (T3) - For 850 Series only
    • PEEK (T4) - For 850 Series only
    • 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, Kalrez® 3018 or equivalent (KZ1)
    • NBR (NB1)
  • Handles
  • Cleaning For Oxygen Service (Stainless Steel & Brass Only)

*  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.          

Note: 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.

NOSHOK offers multiple assembly options to meet your specific system requirements. Consult factory to discuss your customized solution.

For NOSHOK Valves with Brass & Steel valve types:

WARNING: This product can expose you to chemicals including Lead, which is 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


For NOSHOK Valves with Stainless Steel valve types:

WARNING: This product can expose you to chemicals including Nickel, which is 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