Needle Valves

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600 Series Block & Bleed, Hard Seat Needle Valves

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  • Block & bleed design allows pressure to be bled off without disturbing the permanent piping installation, allowing quick and easy removal or replacement of instruments
  • 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability
  • 10,000 psi pressure rating @ 200 °F
  • Blow-out proof stem provides a secondary stem seal in the full open position
  • FKM o-ring seal and PTFE back-up ring below the stem threads to protect from corrosion and galling; PTFE or Graphite packing optional
  • All stems are 316 Stainless Steel
  • All stem threads are rolled for strength and ease of operation
  • One-piece bonnet with a metal-to-metal seal to the valve body below the bonnet threads
  • Slotted spring pin to prevent accidental loosening
  • Vinyl dust cap for bonnet and stem (non-packing)
  • 0.090" bleed hole located on the bottom is controlled by a 1/4"-20 UNF-2A bleed screw

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.

ORDERING INFORMATION

SERIES 6 600 Series, hard seat    
CONNECTION SIZES 02 1/4" NPT 04 1/2" NPT
VALVE TYPES MFC Male-Female, Steel MFS Male-Female, Stainless Steel
  FFC Female-Female, Steel FFS Female-Female, Stainless Steel

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: 602-FFC-P2)
NOTE 2: When a packing option is selected, an o-ring option is NOT available.   

ORDERING INFORMATION - Additional Options

PACKINGS P1 PTFE P2 Graphite    
STEM TIPS T1 Non-rotating (316 stainless) T6 Ball (carbide) T8 Ball (Monel)
  T5 Ball (440C stainless) T7 Ball (ceramic) T9 Non-rotating regulating (316 Stainless)
O-RINGS* EM1 EPDM KZ1 FFKM (Perfluoroelastomer) NB1 NBR
PANEL MOUNTINGS PM1 Panel mount (1 nut) PM2 Panel mount (2 nuts)    
HANDLES HL4 1-3/8" Phenolic HL5 1-3/4" Phenolic    

† 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.

Please note that the standard o-ring in all the NOSHOK valves is FKM and the standard handles are "T" handles (HL2).

The handle material will always match the material of the valve, unless otherwise specified. For example, the "T" handle (HL2) on the 602-FFC 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: 602-FFC-P2)

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
Connections 1/4" & 1/2" NPT
Male-female & Female-female configurations
Pressure ratings* 10,000 psi @ 200 °F
Orifice size 0.187"
Flow coefficient CV 0.44
Steam seal & type All 316 Stainless Steel stems with FKM o-ring and PTFE back-up ring below the threads, PTFE or Graphite packing optional
Options Panel mountings, o-ring materials, handles, packings, regulating stem and stem tips
Weight Approximately 1.3 lb. up to 1/2"
Approximately 4.5 lb. Large Hex, Female-Female
Approximately 6 lb. Large Hex, Male-Female

* 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 - For 1/4", 3/8" and 1/2" NPT only*
    • PTFE (P1)
    • Graphite (P2)
  • Stem Tips
    • Non-rotating, 316 Stainless Steel (T1)
    • Ball, 440C Stainless Steel (T5)
    • Ball, carbide (T6)
    • Ball, ceramic (T7)
    • Ball, Monel (T8)
    • Non-rotating regulating, 316 Stainless Steel (T9)
  • O-Rings (Other o-ring materials available on request)
    • EPDM (EM1)
    • FFKM, Perfluoroelastomer or equivalent (KZ1)
    • NBR (NB1)
  • Panel Mount
    • 1 nut (PM1)
    • 2 nuts (PM2)
  • Handles
  • Cleaning For Oxygen Service (Stainless Steel 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 “T” handles (HL2). The handle material will always match the material of the valve, unless otherwise specified. For example, the “T” handle (HL2) on the 602-FFC 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.

WARNING:This product can expose you to chemicals including Lead and 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

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