Opens in a new tab
Free standard shipping on eligible US orders $500+

Generant LCV-250B-FS-022 1/4″ Brass Liquid Cylinder Relief Valve 22 PSI O2

SKU: LCV-250B-FS-022
Weight 1 lbs
Dimensions 8 × 8 × 8 in

$298.00

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing
QuantityUnit priceSaving
1–4$298.000%
5–9$283.105%
10+$268.2010%

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.

Bulk quantity & quote

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

Request this quantity →

Need a firm ship date? Availability may include supplier stock. Confirm availability before ordering for time-sensitive work.

Processing times & shipping information

Overview

Generant confirms that 250B identifies the 1/4″ male NPT brass configuration and FS identifies the fluorosilicone seal used for 22–49 PSIG set pressures.

Key Features

  • 22 PSIG factory set pressure
  • Specifically designed for DOT 4L cryogenic liquid cylinders
  • 1/4″ Male NPT brass construction
  • Fluorosilicone seal
  • Generant Dirt Guard poppet design
  • Designed to reduce the disruptive “pop” associated with conventional relief valves
  • Helps maintain cylinder pressure while minimizing product loss
  • Factory preset and 100% tested
  • Cleaned and packaged for oxygen service
  • Meets applicable industry/regulatory flow-capacity requirements

Flow Capacity

At the 22 PSIG set pressure, published Generant flow data shows approximately:

11.8 SCFM N₂ at 110% of set pressure

12.4 SCFM N₂ at 120% of set pressure

Brand Generant
MPN LCV-250B-FS-022
Series LCV
Product Type Liquid Cylinder Pressure Relief Valve
Application DOT 4L Cryogenic Liquid Cylinders
Body Material Brass, ASTM B16
Connection 1/4″ Male NPT
Outlet Vent to Atmosphere
Seal Material Fluorosilicone (FS)
Factory Set Pressure 22 PSIG
LCV Set Pressure Range 22–500 PSIG
Set Pressure Tolerance at 22 PSI ±5%
Leakage Zero leakage to 95% of set pressure
Reseat Pressure Approx. 90% of set pressure
FS Temperature Range -85°F to 350°F (-65°C to 176°C)
Lubricant Krytox
Oxygen Service O2 Cleaned & Packaged
Valve Design Direct-acting, spring-loaded
Adjustment Factory preset / permanently secured

Product details

Part / SKU LCV-250B-FS-022

Package includes

  • Generant LCV-250B-FS-022 1/4" Brass Liquid Cylinder Relief Valve 22 PSI O2

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

Match the manufacturer part number and equipment model to the listing. Check connection sizes, fuel type, pressure or capacity, voltage and dimensions where applicable. A similar appearance or part number alone does not confirm compatibility.

For help, send a parts inquiry with the part number, equipment model, label photos and quantity. Manufacturer documents and item-specific information, when supplied, are in the product details above.

Availability may include our inventory and supplier sources. Listed stock does not by itself confirm immediate dispatch. Ask us to confirm a ship date before ordering for time-sensitive work.

Shipping methods and charges appear at checkout where available. Freight, oversized and specially handled items may require a quote. See our Shipping Policy for processing periods, restrictions and delivery information.

Explore related products

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