Skip To Content

Catalog

Request Information
  • 100% helium leak tested to 1 x 10-4 ml/s for guaranteed performance and reliability
  • 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
Unit of Measure

Specifications

Type

 N/A Needle Valve

Series

 N/A 500

Connection Size

 N/A 3/4 in

Valve Type

 N/A Female-Female

Valve Material

 N/A Steel

Material

 N/A Zinc-Nickel Plated Steel

Stem Seal and Type

 N/A All 316 Stainless Steel stems with Fluorocarbon (FKM) o-ring and Polytetrafluoroethylene (PTFE) back-up ring below the threads, Polytetrafluoroethylene (PTFE) packing optional for 1/4", 3/8" & 1/2" NPT only

Pressure Ratings at 200 Degree Fahrenheit (ºF) Temperature

 N/A 6,000 psi

Orifice Size

 N/A 0.438 in

Cv Coefficient

 N/A 4.0

Seat

 N/A Soft Seat

Warranty

 N/A 3 y

Connection Type

 N/A National Pipe Thread (NPT)

Additional Options

Additional Options

 N/A
  • Soft Seats
    • PEEK (PK1)
    • PCTFE (KF1 )
  • Stem Tips
    • Non-rotating (316 stainless) (T1 )
  • O-Rings
    • EPDM (EM1)
    • FFKM (Perfluoroelastomer 3018 or equivalent) (KZ1)
    • NBR (NB1)
  • Handles
    • 1-3/8" Phenolic (HL4)
    • 1-3/4" Phenolic (HL5 )
    • 2-3/8" Phenolic (HL9) (For 3/4" NPT to 1-1/2" NPT only.)

Prop 65 Warnings

Prop 65 Warnings

 N/A
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

Limitations Which Apply Are

Limitations Which Apply Are

 N/A 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

 N/A
  • 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 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)

Options and Accessories

Installed Options and Accessories

 N/A
  • Soft Seats
    • PEEK (PK1)
    • PCTFE (KF1)
  • Stem Tips
    • Non-rotating (316 Stainless Steel) (T1)
  • O-Rings (Other o-ring materials available on request)
    • EPDM (EM1)
    • FFKM (Perfluoroelastomer) 3018 or equivalent (KZ1)
    • NBR (NB1)
  • Panel Mount
    • 1 nut (PM1)
    • 2 nuts (PM2)
  • Handles
    • 1-3/8" Phenolic Handle (HL4)
    • 1-3/4" Phenolic Handle (HL5)
    • 2-3/8" Phenolic Handle (HL9)
  • Cleaning For Oxygen Service (Stainless Steel Only)

Assembly Options

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

Note

Note

 N/A 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.

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.

Back to Top