Free standard shipping on eligible US orders $500+

REGO B-840-8T 1″ FNPT Bronze Cryogenic Swing Check Valve 400 PSIG

SKU: B-840-8T

$998.00

In stock

Same-item volume pricing
QuantityUnit priceSaving
1–4$998.000%
5–9$948.105%
10+$898.2010%

Estimate for this quantity before shipping. Tax display follows store settings. Existing cart quantities can increase the tier. Only one offer applies; a coupon replaces automatic pricing. For 20+ units, contact support for a quote.

Available to order: 4.

Bulk quantity & quote

Enter the total quantity you need. We will confirm availability and a quote before you order.

Request this quantity →

Item Specifics

Field Details
Brand REGO
MPN / Part Number B-840-8T
Series 840
Type Swing Check Valve
Nominal Size 1″
Connection 1″ FNPT
Body Material Bronze
Seat Soft Seat
Cracking Pressure 0.5 PSIG
Cold Working Pressure 400 PSIG
Pressure Class 200 lb
Flow Coefficient (Cv) 10.0
Temperature Range -320°F to +150°F
Service Cryogenic / Industrial Gas
Oxygen Cleaned Yes, per CGA G-4.1
Valve Action Swing Check
Condition New / Unused
Quantity 1

REGO’s catalog confirms the exact B-840-8T as a 1″ FNPT bronze swing check valve with soft seating, 400 PSIG cold working pressure, 0.5 PSIG cracking pressure, 10.0 Cv, and 4.50 lb weight.

Product Description

REGO B-840-8T 1″ Bronze Cryogenic Swing Check Valve – Soft Seat

The REGO B-840-8T is a 1″ 840 Series bronze swing check valve designed to prevent reverse flow in compatible cryogenic systems.

It features 1″ FNPT threaded ends, bronze construction, soft seating and a low 0.5 PSIG cracking pressure. The valve is rated for 400 PSIG cold, non-shock working pressure and is designed for cryogenic applications involving compatible gases and liquids.

The top-entry design allows the valve to be installed permanently in a piping system and serviced from the top. REGO specifies the 840 Series for applications involving oxygen, nitrogen, carbon dioxide, argon and LNG.

Key Features

  • Genuine REGO 840 Series valve
  • Part Number: B-840-8T
  • 1″ FNPT threaded ends
  • Bronze body and internals
  • Soft-seated swing check design
  • 0.5 PSIG cracking pressure
  • 400 PSIG cold working pressure
  • 10.0 Cv
  • Top-entry serviceable construction
  • Designed to prevent reverse flow
  • Oxygen cleaned for service per CGA G-4.1
  • Suitable for compatible oxygen, nitrogen, CO₂, argon and LNG applications

Technical Specifications

Specification Value
Nominal Size 1″
Connection 1″ FNPT
Body Bronze
Seat Soft Seat
Cracking Pressure 0.5 PSIG
Cold Working Pressure 400 PSIG
Pressure Class 200 lb
Cv 10.0
Temperature Range -320°F to +150°F
Inlet-to-Outlet Length 3.69″
Top-to-Inlet Center 2.81″
Weight 4.50 lb
Cleaning Oxygen Cleaned – CGA G-4.1

The exact B-840-8T specifications list 4.50 lb weight, 3.69″ face-to-face length, 2.81″ top-to-inlet dimension and 10.0 Cv

Product details

Part / SKU B-840-8T

Package includes

  • REGO B-840-8T 1" FNPT Bronze Cryogenic Swing Check Valve 400 PSIG

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

Explore related products

More products in this category. Compare specifications and fit for your application.