Deep Copper Tube Cap High 15 to 41mm for copper pipe 9.52mm to 80mm

Price range: $0.99 through $3.50 ( Not real price )

Premium Deep Copper Tube Cap with thickened wall design, suitable for copper pipe OD from 3/8″(9.52mm) to 80mm, cap height 15mm to 41mm. Made of high-grade refrigeration purple copper, high pressure resistant, airtight sealing and corrosion resistant. Ideal for welding end sealing of central air conditioning, split air conditioner, cold storage and refrigeration system copper pipelines. Multiple standard sizes available for professional HVAC & refrigeration engineering use.

Option

3/8"

1/2"

5/8"

3/4"

7/8"

1-1/8"

1-3/8"

1-5/8"

1-3/4"

2-1/8"

2-5/8"

3-1/8"

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SKU: SC26051239 Category: Copper end caps Brand: Smartclima

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Deep Copper Tube Cap (also named Copper Pipe End Cap, Copper Welding Plug, Copper Sealing Cap) is a thickened and higher pure copper end closure fitting, made of high-quality refrigeration grade purple copper. It is designed for welding or blocking the end of copper tubes, with high pressure resistance, corrosion resistance and airtight sealing performance, to permanently seal, block or close the open end of refrigeration copper pipes, prevent refrigerant leakage, dust, moisture and debris entering the pipeline system.

Specific Application Scenarios

Central air conditioning pipeline closing & end sealing
Household split air conditioner copper pipe blocking and maintenance
Refrigerator, freezer and cold storage refrigeration system pipe closure
HVAC refrigeration engineering pipeline modification and waste port sealing
Industrial refrigeration equipment copper pipe end plugging

Product Information:

Item	Details
Product Name	Deep Copper Tube Cap / Copper Pipe Sealing Cap
Material	Thickened Pure Red Copper / Refrigeration Grade Copper
Applicable Pipe OD	9.52mm ~ 80mm (3/8″ to 3-1/8″)
Cap Height Range	15mm ~ 41mm
Wall Thickness	0.9mm ~ 2.5mm (different sizes)
Connection Method	Weld-on / Brazing Installation
Feature	High Pressure Resistant, Thickened Wall, Airtight Seal
Industry Use	HVAC, Air Conditioning, Refrigeration, Cold Storage
Origin	Mainland China

Product Features

Made of high-quality thickened purple copper, durable and not easy to deform
High airtight performance, effectively prevent refrigerant and gas leakage
High pressure and corrosion resistance, suitable for long-term refrigeration system use
Precise caliber, perfect fit for standard copper pipe outer diameter
Smooth welding edge, easy for brazing construction
Multiple size options covering 3/8″ to larger industrial copper pipe sizes
Thickened wall design for stronger pressure bearing capacity

FAQs

Q1: What is this copper tube cap used for?

A1: It is used to seal and block the open end of copper pipes in air conditioning, refrigeration and HVAC systems to avoid leakage, dust and moisture entering the pipeline.

Q2: What pipe sizes does this cap fit?

A2: It fits copper pipe outer diameter from 9.52mm (3/8″) up to 80mm, with complete size specifications for HVAC and industrial use.

Q3: How to install the copper tube cap?

A3: Adopt brazing/welding installation, align the cap with the copper pipe end and weld tightly to achieve fully airtight sealing.

Q4: Is this copper cap pressure resistant?

A4: Yes, it adopts thickened copper wall design, high pressure resistance, suitable for refrigeration high and low pressure pipeline systems.

Q5: What industries can this product be applied to?

A5: Central air conditioning, household split AC, cold storage, freezer, refrigeration equipment , HVAC engineering pipeline maintenance and water project.