30

400

400 SERIES

• 100% helium leak tested to 1 x 10-4 ml/s for performance and reliability

• 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

(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)

Standard, Hard Seat

Needle V alves

NOTE: 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.

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

7/16"-20 UNF (#4 SAE, J1926)

Male-female, Female-female, in-line and angled

configurations

Pressure rating**

10,000 psi @ 200 °F for 1/4" NPT to 1/2" NPT

8,000 psi @ 200 °F for 3/4" NPT to 1-1/2" NPT

Orifice sizes

1/4" - 1/2" NPT: 0.187"

3/4" - 1-1/2" NPT: 0.438"

Flow coefficient

1/4" - 1/2" NPT: CV 0.44

3/4" - 1-1/2" NPT: CV 2.70

Stem seal & type

All 316 Stainless Steel stems with FKM o-ring and

PTFE back-up ring below the threads, PTFE or

Graphite packing optional for 1/4", 3/8" & 1/2" NPT only

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

SPECIFICATIONS

* All 316SS products meet the requirements of NACE MR0175/ISO 15156-3.

** 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 at the back of this catalog.

For NOSHOK Valves with Stainless Steel valve types:

WARNING: This product can expose you to chemicals including Chromium (VI) 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

For NOSHOK Valves with 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