DSZHHVAC Tools

DSZH Straight reduced unions double Dudg. 1/2"-5/8"

SKU 3G-CBM-01632

Also listed as: COR 50189 · COR-50189

Brand

DSZH

Item

Straight reduced unions double Dudg. 1/2"-5/8"

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 double Dudg. 1/2"-5/8"

Frequently Asked Questions

What is the DSZH straight reduced union double Dudg. 1/2"-5/8" used for?

This DSZH straight reduced union is used in HVAC and refrigeration systems to connect copper pipes of different diameters, specifically transitioning from 1/2" to 5/8". It provides a leak-proof, double-flare (Dudg.) joint for service or installation work.

What are the specifications of the DSZH straight reduced union double Dudg. 1/2"-5/8"?

The DSZH straight reduced union double Dudg. features a 1/2" to 5/8" pipe size transition. It is designed for HVAC applications requiring a double-flare connection. For detailed material and pressure ratings, please contact 3G Electric.

Where to buy the DSZH straight reduced union double Dudg. 1/2"-5/8" in Singapore?

You can source the DSZH straight reduced union double Dudg. 1/2"-5/8" through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time.

How to install the DSZH straight reduced union double Dudg. 1/2"-5/8"?

To install the DSZH straight reduced union, ensure both copper tube ends are clean and deburred. Apply a thin layer of refrigerant oil to the flare cones, then tighten the union nut evenly with two wrenches—one on each side—to create a leak-free double flare seal.

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 →