DSZHHVAC Tools

DSZH Straight reduced double unions 1/2"-3/4"

SKU 3G-CBM-01633

Also listed as: COR 50190 · COR-50190

Brand

DSZH

Item

Straight reduced double unions 1/2"-3/4"

Local availability & support

Delivery: Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment: Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Documents

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DSZH Products

3G Electric (S) Pte. Ltd. — Singapore

Product Description

DSZH Straight reduced double unions 1/2"-3/4"

Frequently Asked Questions

Where can I buy DSZH COR50190 straight reduced double unions worldwide?

3G Electric is an authorized distributor of DSZH fittings, including the COR50190 straight reduced double union 1/2"-3/4". We handle worldwide delivery, logistics, and customs documentation for global procurement.

What is the lead time for DSZH COR50190 double unions?

Lead times vary by region and order volume. Contact 3G Electric for current availability and delivery estimates to your location. We source from authorized DSZH channels globally.

What are the port sizes on the DSZH COR50190?

The DSZH COR50190 is a straight reduced double union with 1/2" on one end and 3/4" on the opposite end. Brass construction ensures durability in HVAC applications requiring mixed port connections.

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 →