We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

DSZH Tube fitting inches 3/8" - HVAC Tools
DSZHHVAC Tools

DSZH Tube fitting inches 3/8"

DSZH tube fitting with 3/8 inch (DN8) brass nuts for HVAC refrigeration systems. Rated for R22, R134a, R404, R407C, R410, and R507 refrigerants. Fluid Group II designation suits medium-pressure cooling and heating…

SKU 3G-CBM-01596

Also listed as: COR 50123 · COR-50123

Brand
DSZH
Item
Tube fitting inches 3/8"
Category
HVAC Tools
UNSPSC
41112509 — Air velocity and temperature monitors
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
type
Tube fitting brass nuts
fluid group
II
nominal bore
DN8 (3/8 inch)
refrigerants
R22, R134a, R404, R407C, R410, R507
rohs directive
2011/65/EU
pressure directive
2014/68/EU

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

(1)
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 tube fitting with 3/8 inch (DN8) brass nuts for HVAC refrigeration systems. Rated for R22, R134a, R404, R407C, R410, and R507 refrigerants. Fluid Group II designation suits medium-pressure cooling and heating applications.

Frequently Asked Questions

Where can I order the DSZH COR50123 tube fitting worldwide?

3G Electric stocks and sources DSZH tube fittings globally. Order the COR50123 3/8" (DN8) brass nut fitting for worldwide delivery. Lead time on request — we handle customs and logistics to your location.

What refrigerants is the DSZH COR50123 3/8" fitting rated for?

The COR50123 supports R22, R134a, R404, R407C, R410, and R507 refrigerants. Fluid Group II designation qualifies it for medium-pressure cooling and heating circuits in HVAC systems.

What is the nominal bore size of the DSZH COR50123 tube fitting?

The DSZH COR50123 tube fitting has a nominal bore (DN) of DN8, equivalent to 3/8 inch. The brass nut design suits standard HVAC refrigeration connections and meets pressure directive 2014/68/EU.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
1/4" fitting
DSZH
1/4" fitting
Hose fitting inches 5/8"
DSZH
Hose fitting inches 5/8"
Fitting for inch hoses 3/4"
DSZH
Fitting for inch hoses 3/4"
Reduced tubing tips in inches 3/8"-5/16"
DSZH
Reduced tubing tips in inches 3/8"-5/16"
Reduced fittings hoses in inches 3/8"-1/4"
DSZH
Reduced fittings hoses in inches 3/8"-1/4"
Reduced tip inch tubing 1/2"-3/8"
DSZH
Reduced tip inch tubing 1/2"-3/8"

More from DSZH

View all DSZH parts
Transfer bottle 12kg gray CBM DO NOT RECOVER FULL BOTTLES
DSZH
Transfer bottle 12kg gray CBM DO NOT RECOVER FULL BOTTLES
DSZH
DSZH
Refrigerant bottle R404 800 GR (including deposit)
DSZH
DSZH
Dehydrating liquid 28.3G Thawzone
DSZH
DSZH
Heat strip for spring bottle
DSZH
DSZH
Dye cleaner 29028004
DSZH
DSZH
Tube cutter D.4X16 imperial 21004005
DSZH
DSZH
Torque wrench kit 1/4 3/8 1/2 TA771FC
DSZH
DSZH
Refrigerant bottle R290 370gr (including deposit)