Purple Valves
PRPLZ259

Cryogenic Globe Valve

A cryogenic globe valve with extended bonnet for throttling LNG, liquid oxygen, nitrogen and other low-temperature media.

Size1/2" to 24"PressureANSI Class 150 to 1500BodyExtended Bonnet, Bolted Bonnet
Overview

The Cryogenic Globe Valve is purpose-built for LNG, liquid oxygen, nitrogen, argon and other low-temperature fluids that demand both tight control and reliable performance at extreme cold. An extended bonnet keeps the gland packing clear of the cryogenic zone, protecting the stem seal and preventing icing, while the disc-onto-seat element throttles and regulates flow with the fine control globe valves provide, accepting a higher pressure drop in return. Bodies are produced in austenitic stainless CF8M/316/316L and low-temperature carbon steels LCB/LF2 across Class 150 to 1500 with flanged and butt weld ends in sizes from 1/2 inch to 24 inch. Tested to API 598, each valve can be cryogenically validated for service down to -196 degrees Celsius.

Technical Detail

Specifications

Size Range
1/2" to 24"
Pressure Rating
ANSI Class 150 to 1500
Temperature Range
-196°C to 232°C (-320°F to 450°F)
End Connections
Flanged RF, Butt Weld
Body Material
CF8M / 316 / 316L / LCB / LF2
Ball / Disc / Wedge Material
TRIM 1,5,8,12,16 & Special Materials
Seat Material
Stellite / 13Cr / PTFE / metal seated (trim dependent)
Stem Material
410 / 13Cr / F6a / 316 stainless (trim dependent)
Body Style
Extended Bonnet, Bolted Bonnet
Operation
Handwheel, Gear, Electric, Pneumatic
Applications
Oil & gas, petrochemical, power generation, water treatment and general process throttling and flow regulation
Design Standard
BS 1873 / API 623 / ASME B16.34
Testing Standard
API 598
Face to Face Standard
ASME B16.10
At a Glance

Key Features

  • Precise throttling and flow regulation via disc-onto-seat closure
  • Forged or cast body construction matched to service pressure and temperature
  • Wide range of body and trim materials for corrosive and high-temperature media
  • Renewable seat and disc for long, maintainable service life
  • Multiple end connection options for flexible installation

Options

  • NACE MR0175 compliant construction available
  • Anti-static and fire-safe designs on request
  • Actuation: gear, electric or pneumatic
  • Special alloys and trims to order

Standards & Certifications

  • Designed to BS 1873 / API 623 / ASME B16.34
  • Tested to API 598
  • Face-to-face per ASME B16.10
  • NACE MR0175 available
Contact

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