Needle Valves

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500 Series Standard, Soft Seat Needle Valves

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Oil & Gas
  • 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability
  • 6,000 psi pressure rating @ 200 °F
  • Replaceable Acetal seat and straight through porting for bidirectional, high capacity flow and easy roddable cleaning
  • 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 packing optional (certain NPT sizes only)
  • 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)

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 5 500 Series, soft seat            
CONNECTION SIZES 02 1/4" NPT 04 1/2" NPT 08 1" NPT 12 1-1/2" NPT
03 3/8" NPT 06 3/4" NPT 10 1-1/4" NPT 0402 1/2" NPT male - 1/4" NPT female
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: 504-FFC-HL5)
NOTE 2: When a packing option is selected, an o-ring option is NOT available.  

ORDERING INFORMATION - Additional Options

SOFT SEATS PK1 PEEK KF1 PCTFE    
PACKINGS P1 PTFE        
STEM TIPS T1 Non-rotating (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 HL9 2-3/8" Phenolic**

† For 1/4", 3/8" and 1/2" NPT only.
* Other o-ring materials available on request.
** For 3/4" NPT to 1-1/2" NPT only.

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 504-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: 504-FFC-HL5)

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", 3/8", 1/2", 3/4", 1", 1-1/4" & 1-1/2" NPT
Male-female & Female-female configurations
Pressure ratings 6,000 psi @ 200 °F
Orifice size 1/4" - 1/2" NPT: 0.187"
3/4" - 1-1/2" NPT: 0.438"
Flow coefficient 1/4" - 1/2" NPT: CV 0.76
3/4" - 1-1/2" NPT: CV 4.0
Steam seal & type All 316 Stainless Steel stems with FKM o-ring and PTFE back-up ring below the threads, PTFE packing optional for 1/4", 3/8" & 1/2" NPT only
Options Panel mountings, o-ring materials, handles, packings, regulating stem and stem tips
Weights Approximately 1.3 lb. up to 1/2"
Approximately 4.5 lb. Large Hex, Female-Female
Approximately 6 lb. Large Hex, Male-Female

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

  • Soft Seats
    • PEEK (PK1)
    • PCTFE (KF1)
  • Packing - For 1/4", 3/8" and 1/2" NPT only
    • PTFE (P1)
  • Stem Tips
    • Non-rotating, 316 Stainless Steel (T1)
  • 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)

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 504-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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