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3G Electric
UNIWELD HCC78 Oxygen Hose Coupling, B RH to B RH - Oxygen Hose Couplings
UNIWELDOxygen Hose Couplings

UNIWELD HCC78 Oxygen Hose Coupling, B RH to B RH

The UNIWELD Hose Coupling (MPN HCC78) is an oxygen hose coupling with a B RH to B RH connection and a B size. This industrial component is designed for oxygen service.

SKU 3G-OTH-415821

Also listed as: HCC 78 · HCC-78

Brand
UNIWELD
Item
HCC78 Oxygen Hose Coupling, B RH to B RH
Part Number
HCC78
Category
Oxygen Hose Couplings
Available to Order
Also known as:HCC78UNIWELD
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Technical Specifications

UNIWELD
Manufacturer Part Number
HCC78

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3G Electric (S) Pte. Ltd. — Singapore

Product Description

The UNIWELD Hose Coupling (MPN HCC78) is an oxygen hose coupling with a B RH to B RH connection and a B size. This industrial component is designed for oxygen service.

Frequently Asked Questions

What is the UNIWELD HCC78 hose coupling used for?

The UNIWELD HCC78 is an oxygen hose coupling designed for industrial oxygen service. It connects B RH (right-hand) threaded hoses to B RH fittings, ensuring a secure, leak-resistant joint in welding, cutting, and other gas-handling systems.

What are the specifications of the UNIWELD HCC78?

The UNIWELD HCC78 is a B-size oxygen hose coupling with B RH to B RH threads. The manufacturer part number is HCC78. It is built for oxygen service and is made by UNIWELD. This coupling is suitable for industrial gas distribution systems.

Where to buy UNIWELD HCC78 worldwide?

3G Electric supplies the UNIWELD HCC78 hose coupling worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact us to source this component for your oxygen system.

How to install the UNIWELD HCC78 hose coupling?

To install the UNIWELD HCC78, ensure both hose ends have matching B RH threads. Apply appropriate thread sealant rated for oxygen service. Hand-tighten the coupling, then use a wrench for a final quarter turn. Always leak-test with approved methods before pressurizing.

Used in

Common applications for UNIWELD
HVAC and refrigeration service — Uniweld evacuation pump oil (MPN 42005, 42006) for vacuum pump maintenance during refrigerant recovery.
Oxy-acetylene welding and cutting — Uniweld torch and regulator outfits (KV780A, KV780FB) with CGA 510 fuel connections and flashback arrestors.
Industrial maintenance and repair — Uniweld flow gauge regulators (MRFG13, MRFG14) for controlled gas delivery in CO2 and argon applications.
Metal fabrication and brazing — Uniweld outfits (KV780A-1FB, KV780AFB) for heating, cutting, and joining operations.
Refrigeration system evacuation — Uniweld ISO-46 oil for lubricating vacuum pumps during refrigerant evacuation procedures.
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UNIWELD Products

3G Electric supplies UNIWELD oxygen hose couplings. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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