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DSZH Fitting for inch hoses 1/4" - HVAC Tools
DSZHHVAC Tools

DSZH Fitting for inch hoses 1/4"

DSZH brass fitting for 1/4 inch hoses in HVAC refrigeration systems. Rated for fluid group II with nominal bore DN4.5, compatible with R22, R134a, R404, R407C, R410, and R507 refrigerants. Designed for connection and…

SKU 3G-CBM-01595

Also listed as: COR 50121 · COR-50121

Brand
DSZH
Item
Fitting for inch hoses 1/4"
Category
HVAC Tools
UNSPSC
41112509 — Air velocity and temperature monitors
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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 Specifications

DSZH
material
brass
fluid group
II
nominal bore
DN4.5 (1/4 in)
refrigerants
R22, R134a, R404, R407C, R410, R507

Datasheet Content

DECLARATION OF CONFORMITY, BRASS NUTS The Pressure Equipment Directive 2014/68/EU, The RoHS 2 Directive 2011/65/EU rev 04 dated 19/07/2016 Description of pressure equipment Brass nuts Models NS-4, NS-5, NS-6, NS-8, NRS4-64, NRS4-65, NRS4-86, NRS4-108, NRS4-1210, NRS4-1614, NS4-4, NS4-4M6, NS4-5, NS4-6M6, NS4- 5M8, NS4-6, NS4-6M8, NS4-6M10, NS4-8, NS4-8M10, NS4-8M12, NS4-10, NS4-10M12, NS4-10M14, NS4-10M16, NS4-12, NS4- 12M14, NS4-12M16, NS4-12M18, NS4-14, NS4-14M22, SFC-4, SFC-6, 'SFC-8, SFC-10 Classified for Fluid group Il, R22, R134a, R404, R407C, R410, R507 (non-taxie and non-flammable refrigerants) Nominal bore DN4,5 (1/4 in), DN8 {3/8 in), DNlO (1/2 in), DN13 {5/8 in), DN16 {3/4 in) and DN19 {7/8 in) Temperature range ° ° ° -40° C / +150 C {-40 F / 302 F) Maximum allowable working pressure {PS) 45 bar {650 psi) Burst pressure > 3 X PS Declaration We hereby declare that mentioned equipment for fluid group Il are covered by Article 4, paragraph 3 of The Pressure Equipment Directive 2014/68/EU effective from July 19 th' 2016. Compliance with EU Directive 2011/65/EU (RoHS) This product conforms to the restriction of the used lead, mercury, cadmium, hexavalent chromium, polybrominated biphenyls 1h {PBB), and polybrominated diphenyl ethers {PBDE) as described in Directive 2011/65/EU of June 8 2011 and subsequental emendaments Reference of the Technical Standards and Specification used EN 378, EN 12284, EN 16084 Material Copper alloys compliant to standards EN 12164, EN 12165, and EN 12449 Name ing. Andrea Pe Date 19/07/2016

Technical Documents

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DSZH Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

DSZH brass fitting for 1/4 inch hoses in HVAC refrigeration systems. Rated for fluid group II with nominal bore DN4.5, compatible with R22, R134a, R404, R407C, R410, and R507 refrigerants. Designed for connection and control applications in cooling equipment.

Frequently Asked Questions

Where can I buy the DSZH COR50121 1/4" brass fitting worldwide?

3G Electric is an authorised distributor of DSZH fittings. Order the COR50121 online or contact our team for a quote. We handle logistics and customs for delivery to most countries globally.

What is the lead time for the DSZH COR50121 fitting?

Lead time depends on stock availability and destination. Contact 3G Electric for a specific delivery schedule. We arrange worldwide shipping and manage all logistics on your behalf.

What refrigerants is the DSZH COR50121 rated for?

The COR50121 is rated for fluid group II and compatible with R22, R134a, R404, R407C, R410, and R507 refrigerants. Nominal bore is DN4.5 (1/4 in). Use in HVAC cooling equipment connection and control applications.

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.

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