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SMITH EQUIPMENT Reverse Flow Check Valve Set, 9/16"-18, CGA 022 Oxygen - Check Valves
SMITH EQUIPMENTCheck Valves

SMITH EQUIPMENT Reverse Flow Check Valve Set, 9/16"-18, CGA 022 Oxygen

The SMITH EQUIPMENT Reverse Flow Check Valve Set: Torch Mount (SKU H697, MPN H697) is a check valve assembly with a 9/16"-18 connection size and CGA 022 (Oxygen) designation. Designed for torch mounting, this set is…

SKU 3G-OTH-358650

Also listed as: H 697 · H-697

Brand
SMITH EQUIPMENT
Item
Reverse Flow Check Valve Set, 9/16"-18, CGA 022 Oxygen
Category
Check Valves
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

SMITH EQUIPMENT
Manufacturer Part Number
H697
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: Torch Mount (SKU H697, MPN H697) is a check valve assembly with a 9/16"-18 connection size and CGA 022 (Oxygen) designation. Designed for torch mounting, this set is intended for use with oxygen and fuel gases.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

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

The SMITH EQUIPMENT Reverse Flow Check Valve Set (MPN H697) is used to prevent reverse gas flow in oxy-fuel cutting and welding systems. It mounts directly on the torch to stop oxygen or fuel gas from flowing backward, reducing the risk of flashback or hose damage in industrial fabrication and repair applications.

What are the specifications of the SMITH EQUIPMENT H697 check valve?

The SMITH EQUIPMENT H697 check valve set has a 9/16"-18 connection size and is designed for oxygen and fuel gases. It carries CGA 022 (Oxygen) designation and is a torch-mount assembly. The set includes two valves, one for oxygen and one for fuel, with the specified thread size for direct torch attachment.

Where to buy the SMITH EQUIPMENT H697 check valve set worldwide?

You can source the SMITH EQUIPMENT H697 reverse flow check valve set worldwide through 3G Electric. As a global industrial equipment distributor since 1990, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this SMITH EQUIPMENT part.

How to install the SMITH EQUIPMENT torch-mount check valve set?

Install the SMITH EQUIPMENT H697 check valve set by threading each valve onto the torch inlet with the correct 9/16"-18 connection. Ensure the oxygen valve is on the oxygen line and the fuel valve on the fuel line. Tighten securely with a wrench, then leak-test with approved solution before use. Follow standard oxy-fuel safety practices.

Used in

Common applications for SMITH EQUIPMENT
Metal fabrication shops — SMITH EQUIPMENT MC40 series cutting tips for propane/natural gas handheld cutting
Maintenance and repair operations — SMITH EQUIPMENT ST600 series heating tips for acetylene preheating applications
Field welding and cutting — SMITH EQUIPMENT Heavy Duty Combination Torch Outfit (HBA-30300) for portable acetylene service
Scrap metal processing — SMITH EQUIPMENT SC50 series heavy-duty cutting tips for rusty or scaled metals
Industrial gas distribution — SMITH EQUIPMENT two-stage acetylene regulator (35-15-510) for consistent pressure control in fixed installations
Pneumatic and inert gas systems — SMITH EQUIPMENT single-stage air regulator (30-150-320) for shop air or nitrogen supply lines
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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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This check valve set mounts to a regulator with a 9/16"-18 connection and is designed for oxygen and fuel gas service. It prevents reverse flow to protect downstream equipment. The valve carries CGA Number 022 for oxygen service and is suitable for use in gas distribution systems
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This check valve set mounts to a regulator with a 9/16"-18 connection and is designed for oxygen and fuel gas service. It prevents reverse flow to protect downstream equipment. The valve carries CGA Number 022 for oxygen service and is suitable for use in gas distribution systems