DSZHHVAC Tools

DSZH Straight reduced unions double 1/4"-3/8"

DSZH Straight Reduced Unions 1/4"-3/8"

SKU 3G-CBM-01627

Also listed as: COR 50184 · COR-50184

Brand

DSZH

Item

Straight reduced unions double 1/4"-3/8"

Local availability & support — Singapore

Local office: 20 Woodlands Link #09-05, Singapore 738733
Phone: +65 8878 8355
Delivery: Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment: Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to: Singapore

Technical Documents

No technical documents available for this product.

Request documentation →

Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.

Talk to an engineer

Ask a question

DSZH Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

DSZH Straight Reduced Unions 1/4"-3/8"

Frequently Asked Questions

What is a DSZH straight reduced union double 1/4"-3/8" used for?

A DSZH straight reduced union double 1/4"-3/8" is used in HVAC and refrigeration systems to connect two pipes of different diameters, allowing for a leak-tight joint that can be easily disassembled for maintenance or repair.

What are the specifications of the DSZH straight reduced union 1/4"-3/8"?

The DSZH straight reduced union connects a 1/4-inch line to a 3/8-inch line. It is a double-ended union fitting designed for HVAC applications. For detailed pressure and temperature ratings, please refer to the manufacturer's datasheet.

Where to buy DSZH straight reduced unions in Singapore?

You can source DSZH straight reduced unions in Singapore through 3G Electric. We handle logistics, customs clearance, and delivery to your Singapore location. Contact us for pricing and lead time on this HVAC fitting.

How to install a DSZH straight reduced union?

To install a DSZH straight reduced union, ensure both pipe ends are clean and deburred. Apply appropriate thread sealant to the male threads, then hand-tighten the union nuts onto each pipe. Use wrenches to snug the connections, avoiding overtightening to prevent damage.

Used in

Common applications for DSZH

Split-system air-conditioner service: DSZH manifold bases and SAE/NPT reducers integrate with technician gauge sets for pressure monitoring and refrigerant charge.

Rooftop packaged unit maintenance: Flare connector caps, hose tips, and union fittings expedite field replacement of damaged lines and adapters on commercial cooling systems.

Refrigerant recovery and recycling: DSZH bottle adapters (R600A-rated) connect recovery cylinders to hose lines, enabling safe extraction of flammable and standard refrigerants.

Process-cooling loop installation: SAE straight male/female unions and reducers support temporary or permanent manifold assembly on industrial water-chilled equipment.

Heat-pump seasonal service: DSZH dudgeon extensions and adapter kits allow technicians to connect diagnostic gauges to restricted or recessed access ports on reversing-valve manifolds.

Field emergency repairs: Individual DSZH fittings stocked in stock allow technicians to repair or modify hose connections on-site without returning to the shop for components.

DSZH Products

3G Electric supplies DSZH hvac tools. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

Browse all DSZH products →Contact our engineers →