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CBM Double copper tube 0.7 1/4-3/8 20m - Accessories & Installation
CBMAccessories & Installation

CBM Double copper tube 0.7 1/4-3/8 20m

CBM double copper tube for refrigeration and HVAC systems, featuring 1/4"-3/8" diameters and 0.7 mm copper thickness with 8 mm polyethylene insulation. 20 m length per EN12735-1, M1 fire rating. Suitable for…

SKU 3G-CBM-01848

Also listed as: CUV 02734 · CUV-02734

Brand
CBM
Item
Double copper tube 0.7 1/4-3/8 20m
Category
Accessories & Installation
UNSPSC
40172521 — Copper and copper alloy pipe connector
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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 Specifications

CBM
length
20 m
length m
20
standard
EN12735-1
tube type
double
fire rating
M1
tube diameters
1/4" - 3/8"
copper thickness mm
0.7 x 0.7
insulation material
Polyethylene
insulation thickness mm
8

Datasheet Content

LIAISONS FRIGORIFIQUES Tubes cuivre Caractéristiques • Conditionnement en couronne, extrémités pincées et film individuel. • Cuivre EN12735-1 de très haute qualité frigorifique, recuit spécifique et déshydraté. • Epaisseurs Cuivre Gamme : 0,7 mm à 0,8 mm • Isolant thermique en Polyéthylène, épaisseur 6 à 10 mm, recouvert d'un film protecteur résistant aux U.V. • Classement au feu : PV LAPI 1590.0DC0050/18 • Revêtement gaufré blanc, réaction au feu M1, livré en carton individuel. Cuivre pré isolé monotube M1 - 25 mètres - 0,8 mm CONCEPT Copper LONGUEUR EPAISSEUR EPAISSEUR LIBELLÉS CODE CBM ROULEAU (CUIVRE) (ISOLANT) Tube cuivre simple 1/4" 25 m 0,8 mm 6 mm CUV02022 Tube cuivre simple 3/8" 25 m 0,8 mm 8 mm CUV02024 Tube cuivre simple 1/2" 25 m 0,8 mm 8 mm CUV02026 Tube cuivre simple 5/8" 25 m 1,0 mm 10 mm CUV02028 Tube cuivre simple 3/4" 25 m 1,0 mm 10 mm CUV02030 Tube cuivre simple 7/8" 25 m 1,0 mm 10 mm CUV02032 Cuivre pré isolé bitube M1 - 20 mètres - 0,7 mm - Smartline CONCEPT Copper LONGUEUR EPAISSEUR EPAISSEUR LIBELLÉS CODE CBM ROULEAU (CUIVRE) (ISOLANT) Tube cuivre double M1 1/4" - 3/8" 20 m 0,7 x 0,7 mm 8 mm 3G-CBM-01848 Tube cuivre double M1 1/4" - 1/2" 20 m 0,7 x 0,7 mm 8 mm CUV02736 Tube cuivre double M1 3/8" - 5/8" 20 m 0,7 x 0,8 mm 10 mm CUV02740 Cuivre pré isolé bitube M1 - 20 mètres - 0,8 mm CONCEPT Copper LONGUEUR EPAISSEUR EPAISSEUR LIBELLÉS CODE CBM ROULEAU (CUIVRE) (ISOLANT) Tube cuivre double M1 1/4" - 3/8" 20 m 0,8 x 0,8 mm 8 mm CUV02234 Tube cuivre double M1 1/4" - 1/2" 20 m 0,8 x 0,8 mm 8 mm CUV02236 Tube cuivre double M1 1/4" - 5/8" 20 m 0,8 x 1,0 mm 10 mm CUV02238 Tube cuivre double M1 3/8" - 5/8" 20 m 0,8 x 1,0 mm 10 mm CUV02240
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CBM Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

CBM double copper tube for refrigeration and HVAC systems, featuring 1/4"-3/8" diameters and 0.7 mm copper thickness with 8 mm polyethylene insulation. 20 m length per EN12735-1, M1 fire rating. Suitable for commercial and residential cooling applications.

Frequently Asked Questions

What is the CBM double copper tube 0.7 1/4-3/8 20m used for?

The CBM double copper tube is used for refrigerant line sets in refrigeration and HVAC systems, connecting indoor and outdoor units in commercial and residential cooling applications. It features two pre-insulated copper tubes (1/4" and 3/8") in a single 20 m coil, meeting EN12735-1 standard and M1 fire rating.

What are the specifications of the CBM double copper tube 0.7 1/4-3/8 20m?

The CBM double copper tube has a length of 20 m, tube diameters of 1/4" and 3/8", copper thickness of 0.7 mm x 0.7 mm, and 8 mm polyethylene insulation. It complies with EN12735-1 standard and carries an M1 fire rating. The SKU is 3G-CBM-01848.

Where to buy the CBM double copper tube in Singapore?

You can source the CBM double copper tube 0.7 1/4-3/8 20m through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your site. Contact us for pricing and lead time on this refrigeration line set.

How to install the CBM double copper tube 0.7 1/4-3/8 20m?

Install the CBM double copper tube by uncoiling it carefully to avoid kinks, then connect the 1/4" and 3/8" tubes to the corresponding refrigerant ports. Ensure the polyethylene insulation remains intact for thermal efficiency. Follow standard HVAC practices for brazing and pressure testing.

Used in

Common applications for CBM
Industrial boilers — CBM circulation pumps (mod. CM 30W) and solenoid valves (ELV series) for heating-loop control and pump staging.
Burner systems — CBM oil nozzles (FLU atomizer types), electrodes (ELC 200 mm), and solenoid coils (ELV 230V AC) for combustion ignition and flame supervision.
Plant maintenance and retrofit — CBM cable glands (CLI M25), motor couplings (ACC type D), and small-radius fittings (RAC 90°) for equipment reconfiguration and sensor integration.
Boiler water treatment — CBM chlorine test kits (DET free+combined) for feedwater and circulating-water quality monitoring in closed-loop systems.
Pump and motor assembly — CBM couplings, fittings, and cable glands for assembly and rewinding of industrial motors, circulation pumps, and auxiliary equipment.

CBM Products

3G Electric supplies CBM accessories & installation. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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