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Western CV-30R Oxygen Regulator Check Valve, B-Size 9/16"-18 RH

$21.54/ea

Usually ships within 3-5 business days

OVERVIEW

Enhance Shop Safety with the Western CV-30R Oxygen Check Valve

Safety is the number one priority in any welding shop, and the Western CV-30R Oxygen Check Valve is a small investment that makes a big difference. This device is designed to stop gas from flowing backward into your regulator, a dangerous situation that can lead to equipment damage or worse. If you are running an oxy-fuel cutting torch, installing a check valve at the regulator is a smart, proactive step to protect your gear and your workspace. The CV-30R is built tough with a solid brass body, meaning it can handle the bumps and knocks of daily shop life while keeping your gas flow secure.

Installation is incredibly straightforward. The CV-30R features standard B-Size threads (9/16"-18 RH) that screw directly onto the outlet of your oxygen regulator. You don't need special tools or adapters—just tighten it down, and you're ready to go. Despite its robust safety features, this valve won't slow you down. It is engineered to allow a high volume of oxygen flow (up to 1200 SCFH), so you won't notice a drop in pressure or performance at your torch tip, even when cutting thick steel plate. The internal stainless steel spring is sensitive enough to open with just a tiny bit of pressure, ensuring you get the gas you need when you pull the trigger.

Using a check valve like the Western CV-30R helps prevent the accidental mixing of fuel gas and oxygen in your hose or regulator, which is a common cause of flashbacks and system failures. While a check valve is not a flashback arrestor (which stops a flame), it is the first line of defense against reverse flow conditions. By keeping your oxygen stream moving in the right direction, you ensure a cleaner, safer, and more efficient cutting operation. Don't take chances with your gas equipment; equip your regulators with Western check valves for peace of mind.

Additional Information
Brand:Western Enterprises
Used On Which Gas:Oxygen
Material:Brass
Pressure Rating:125 psig
Thread Size:9/16"-18 RH
Connection Type:B-Size
Flow Capacity:1200 SCFH
Opening Pressure:3 oz
Closing Pressure:10 oz
Compliance:UL Listed, CGA, OSHA
Packaging Description:1 of each

INCLUDED

  • 1x Western CV-30R Oxygen Check Valve
  • Installation Instructions

APPLICATIONS

  • Oxy-fuel cutting and welding operations
  • Industrial gas regulation
  • Heavy-duty steel fabrication
  • Laboratory gas delivery systems
  • Maintenance and repair (MRO) welding

FAQ

The CV-30R is a reverse flow check valve designed to prevent gases from flowing back into the regulator, protecting equipment from contamination and damage.

No, the CV-30R is strictly a check valve. It stops reverse gas flow but does not stop a flame front. For flame protection, a flashback arrestor is required.

It has B-Size 9/16"-18 UNF Right-Hand threads, designed for oxygen connections.

No, this model is for oxygen service only. Fuel gas models typically use Left-Hand threads to prevent cross-connection.

The CV-30R is designed to be installed directly on the outlet bushing of the oxygen regulator.

No, it has a high flow capacity of 1200 SCFH at 50 PSIG, which is sufficient for cutting up to 12 inches of steel.

The valve requires a low opening pressure of just 3 ounces, ensuring minimal resistance during operation.

Yes, the Western CV-30R is UL Listed and meets CGA and OSHA requirements for gas safety equipment.
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