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SMITH EQUIPMENT Reverse Flow Check Valve Set - Check Valves
SMITH EQUIPMENTCheck Valves

SMITH EQUIPMENT Reverse Flow Check Valve Set

The SMITH EQUIPMENT Reverse Flow Check Valve Set: Regulator Mount is a check valve designed for oxygen and fuel applications. It features a 9/16"-18 connection size and carries CGA Number CGA 022 (Oxygen), with…

SKU 3G-OTH-358646

Also listed as: H 698 · H-698

Brand
SMITH EQUIPMENT
Item
Reverse Flow Check Valve Set
Part Number
H698
Category
Check Valves
Available to Order
Also known as:H698SMITH EQUIPMENT
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Technical Specifications

SMITH EQUIPMENT
Manufacturer Part Number
H698
Type
9/16"-18, For Oxygen & Fuel
CGA Number
CGA 022 (Oxygen)
Connection Size
9/16"-18

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SMITH EQUIPMENT Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The SMITH EQUIPMENT Reverse Flow Check Valve Set: Regulator Mount is a check valve designed for oxygen and fuel applications. It features a 9/16"-18 connection size and carries CGA Number CGA 022 (Oxygen), with manufacturer part number H698.

Frequently Asked Questions

What is the SMITH EQUIPMENT Reverse Flow Check Valve Set used for?

This check valve set is used in oxygen and fuel gas systems to prevent reverse flow, protecting regulators and downstream equipment. It mounts directly to the regulator with a 9/16"-18 connection and is CGA 022 (Oxygen) compliant, making it suitable for welding, cutting, and other industrial gas applications.

What are the specifications of the SMITH EQUIPMENT H698 check valve?

The SMITH EQUIPMENT H698 is a reverse flow check valve set with a 9/16"-18 connection size, designed for oxygen and fuel service. It carries CGA Number CGA 022 (Oxygen) and is a regulator-mount type. The manufacturer part number is H698, and it is built for industrial gas safety.

Where to buy SMITH EQUIPMENT check valves worldwide?

3G Electric supplies SMITH EQUIPMENT reverse flow check valve sets worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us to order the H698 or other SMITH EQUIPMENT gas components for your operations.

How to install a SMITH EQUIPMENT reverse flow check valve?

Install the SMITH EQUIPMENT H698 check valve set directly onto the regulator outlet using the 9/16"-18 threaded connection. Ensure the CGA 022 (Oxygen) fitting is clean and free of debris. Tighten to manufacturer torque specifications and leak-test with approved methods before use. Always follow gas safety guidelines.

Used in

Common applications for SMITH EQUIPMENT
Industrial fabrication — Smith Equipment SC940 48-inch 180° handheld cutting torch for heavy oxy-fuel cutting of ferrous metals.
Shipbuilding — Smith Equipment SC369 36-inch 90° handheld cutting torch for cutting in confined spaces and structural steel.
Welding and fabrication — Smith Equipment 31-50-580 flow gauge regulator for argon gas delivery in TIG welding applications.
Analytical laboratories — Smith Equipment 221-0209 high-purity two-stage regulator for gas chromatography with inert gases.
Maintenance and repair — Smith Equipment SC929 21-inch 90° handheld cutting torch for scrap processing and maintenance cutting.
Beverage and food processing — Smith Equipment 31-50-320 flow gauge regulator for carbon dioxide gas in dispensing and packaging systems.
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SMITH EQUIPMENT Products

3G Electric supplies SMITH EQUIPMENT check valves. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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