REGO ES8454 1/2″ FNPT Extended Stem Cryogenic Valve 4″ PTFE O2 Cleaned

Overview

RegO documentation identifies the ES8454 as the 1/2″ FNPT, PTFE-packed member of the ES8450 extended-stem series, with a 1.10 Cv. The series uses brass body/bonnet, stainless-steel stem, PCTFE seat, aluminum handwheel, and PTFE soft goods. RegO also specifies a 600 PSIG maximum working pressure, -320°F to +165°F operating range, oxygen-service cleaning per CGA G-4.1, and 100% factory testing.

 Description

REGO ES8454 1/2″ FNPT Extended Stem Cryogenic Valve – PTFE Packing – O2 Cleaned

Genuine REGO ES8454 extended-stem valve designed for cryogenic tank and cold-gas applications. This valve features 1/2″ female NPT inlet and outlet connections, a brass body and bonnet, stainless-steel stem, PCTFE seat disc, PTFE packing, and aluminum handwheel.

The extended-stem configuration helps isolate the packing and operating components from extremely low process temperatures.

Typical applications include:

• Cryogenic storage tanks
• Liquid fill or vent service
• Mini-bulk cryogenic tanks
• Trycock applications
• Hose drain service
• Cold gas systems
• Oxygen-compatible installations
• LNG-related cold-gas applications

RegO specifically describes the ES8450 series for trycock, hose-drain, liquid-fill and vent applications on cryogenic tanks, as well as other cold-gas applications.

Key Selling Features

• Genuine REGO ES8454
• 1/2″ FNPT inlet and outlet
• Extended-stem cryogenic design
• PTFE packing
• PCTFE seat disc
• Brass body and bonnet
• Stainless-steel stem
• Silver/aluminum handwheel
• 1.10 Cv
• 600 PSIG maximum working pressure
• Extremely low temperature capability
• O2 cleaned
• Factory-tested design

Package Weight & Size

A reseller lists the ES8454 at approximately 0.86 kg / 1.90 lb product weight.

Specification	Details
Brand	REGO
MPN	ES8454
Series	ES8450
Product Type	Extended Stem Globe / Shut-Off Valve
Application	Cryogenic / Cold Gas Service
Connection Size	1/2″ FNPT
Inlet / Outlet	1/2″ Female NPT
Packing	PTFE
Body Material	Brass
Bonnet Material	Brass
Stem Material	Stainless Steel
Seat Disc	PCTFE
Bonnet Gasket	PTFE
Handwheel	Aluminum / Silver
Stem / Overall Height	Approx. 4.2″
Body Width	Approx. 2.5″
Flow Coefficient (Cv)	1.10
Maximum Working Pressure	600 PSIG nominal
Temperature Range	-320°F to +165°F (-196°C to +74°C)
Oxygen Service	Cleaned for Oxygen Service
Actuation	Manual Handwheel

Product details

Part / SKU	ES8454

Package includes

• REGO ES8454 1/2″ FNPT Extended Stem Cryogenic Valve 4″ PTFE O2 Cleaned

Included components and any stated pack quantity are as described in this listing. Optional accessories shown separately are sold separately unless expressly included above.