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PreInsulated Pipe Sealing Cap

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PreInsulated Pipe Sealing Cap Specification

Operating Temperature
-40C to +120C

Rated Temperature
-40C to +120C

Insulation
Pre-insulated polyurethane

Install Type
Push-fit / Snap-on / Adhesive as required

Tensile Strength
High durability for outdoor use

Weight
Varies with dimension (lightweight design)

Features
Provides effective thermal insulation and moisture protection, Easy installation, Durable construction, Resistant to corrosion and weathering, Prevents condensation, Maintains energy efficiency

Usage & Applications
End sealing of pre-insulated pipes in heating, ventilation, and cooling piping systems

Locking Type
Friction fit / Optional adhesive sealing

Diameter
Customizable as per pipe diameter

Product Type
Pre-Insulated Pipe Sealing Cap

Length
Custom as per requirement

Insulation Material
Polyurethane Foam

Application
Sealing ends of pre-insulated pipes in heating and cooling systems, District heating, Chilled water systems

Jacket Material
UV-stabilized Polyethylene

Storage Temperature
-50C to +60C

Connector Color
Black

Jacket Color
Black

Dimension (L*W*H)
Custom / As per pipe size

Color
Black

Material
High-density Polyethylene (HDPE), Polyurethane Foam

Size
Available for pipe sizes from 20 mm to 800 mm

Water Absorption
<0.2% by volume

Finish
Smooth outer HDPE surface

Environmental Resistance
UV, moisture, corrosion, and chemical resistant

Closure Method
Adhesive/Sealant compatible on request

Manufacturing Standard
Meets relevant EN & ASTM specifications

Shelf Life
24 months (in original packaging, dry conditions)

Thermal Conductivity
0.022 - 0.028 W/mK

Fire Resistance
Class 1 per BS 476

Density (Insulation)
40 2 kg/m3

Compatibility
Pre-insulated steel, copper, or plastic pipes

About PreInsulated Pipe Sealing Cap

Pre-insulated Pipe Sealing Cap is Heat Shrink Cap with Hot Melt Adhesive, used to seal and to protect the joints of pipelines and other substrates . The caps are manufactured from high quality Cross-linked Polyolefin material.

-:PRE-INSULATED PIPE SEALING CAP BENIFITS:-

Excellent insulation end seals and provide maximum moisture protection.
Provides watertight seal and prevents water access to the exposed insulation at the weld joint area.
Provides corrosion protection to pipeline joints and other substrates.
?Hot melt adhesive lining provides 100% environmental sealing against weathering, moisture, contamination and adverse environmental conditions according to IP 68.
Can be factory installed, once installed the Cap protects the pre-insulated pipe during transportation and storage
Reduces repairing cost.
Resistance to UV rays & Ozone.
Easy to install.

SELECTION CHART

All dimensions are in mm

Code
Ds
Df
ds
df
L
l
Tb
Tc
Adhesive L

Min.
Max.
Min.
Mix.
Min.
Min.
±10%
±10%
Min.

GPPC2 1565
110
65
45
15
100
40
2.2
2.0
30

GPPC2 1565A
156
65
50
15
100
40
2.2
2.0
30

GPPC2 2075
170
75
35
20
145
45
3.1
2.9
30

GPPC2 24135
235
135
60
24
200
60
2.8
2.5
30

GPPC2 55175
250
175
85
55
160
55
3.5
3.5
30

D,d : Internal Diameter; s : as supplied; f; after free recovery; Tb, Tc: Thickness

TECHNICAL SPECIFICATION

PROPERTIES
VALUE
STANDARD

Tensile Strength
18 N/mm (Mpa) (min.)
ASTM D638

Ultimate Elongation
350 % (min.)
ASTM D638

Water absorption
0.1 % (max.)
ASTM D570

Adhesive Peel Strength
100 N/25mm (min.)
ASTM D2671

Accelerated ageing
(120 C for 500 hrs)
ASTM D2671

Tensile Strength
11 N/mm² (Mpa) (min.)
ASTM D638

Ultimate Elongation
300 % (min.)
ASTM D638

Heat Shock (250 C for 30 min.)
No cracking or flowing
ESI 09-11

Continuous Temperature Limit
-40 to +100°C
IEC 216

Dielectric Strength
12 KV/mm.(min)
ASTM D149

Volume Resistivity
1 x 10¹⁴Ohm.cm (min)
ASTM D257

Superior Thermal Insulation and Energy Efficiency

Utilizing high-quality polyurethane foam, the PreInsulated Pipe Sealing Cap delivers outstanding thermal conductivity between 0.022 and 0.028 W/mK. This ensures minimized heat loss at pipe ends, preventing condensation and maintaining energy efficiency in heating and cooling systems. Its insulation density of 40 2 kg/m further enhances heat retention, leading to significant energy savings over time.

Rugged Construction Resistant to Environmental Factors

Designed for harsh environments, the sealing cap boasts a UV-stabilized, high-density polyethylene (HDPE) outer surface. It is engineered to withstand corrosion, moisture, chemicals, and prolonged exposure to sunlight. This robust construction ensures long-lasting protection, whether installed indoors or outdoors, safeguarding piping systems in a wide range of climates.

Flexible Installation with Customizable Features

Available in multiple closure methods, including push-fit, snap-on, or adhesive sealing as needed, the cap can be tailored to specific project requirements. Installation is quick and straightforward, requiring minimal tools and supporting custom lengths and diameters for seamless integration with new or existing pipelines. The products light weight and friction-fit design further simplify on-site handling.

FAQs of PreInsulated Pipe Sealing Cap:

Q: How do I install the PreInsulated Pipe Sealing Cap on my piping system?

A: The sealing cap offers a push-fit or snap-on design for swift installation. For added security or in special applications, adhesive or sealant closure options are available upon request. Simply match the cap diameter to your pipe, press it onto the end, and apply adhesive if needed for a watertight and secure seal.

Q: What types of pipes are compatible with this sealing cap?

A: This product is designed for compatibility with pre-insulated steel, copper, and plastic pipes, making it versatile for use in various commercial and industrial heating and cooling systems.

Q: When should the sealing cap be used in a pipeline system?

A: Sealing caps should be fitted wherever the ends of pre-insulated pipes are exposed during installation or maintenance. This prevents moisture ingress, thermal loss, and condensation, ensuring the longevity and efficiency of the piping system.

Q: Where can the PreInsulated Pipe Sealing Cap be used?

A: It is suitable for end sealing in heating, chilled water, district heating, and cooling pipelines, both indoors and outdoors. The cap is ideal for district energy networks, building HVAC systems, and industrial process piping.

Q: What is the typical process for selecting the right cap size and closure method?

A: To select the correct cap, determine the outer diameter of your pipe and specify any custom requirements. Choose your closure methodpush-fit, snap-on, or adhesivebased on installation preferences and project conditions. Consult with the supplier for custom dimensions or unique environmental needs.

Q: What are the main benefits of using this sealing cap on pre-insulated pipes?

A: Key advantages include effective thermal insulation, moisture and corrosion resistance, condensation prevention, and preservation of energy efficiency. Its durable construction and easy installation contribute to lower maintenance and operational costs.

Q: Is the cap durable enough for outdoor use in extreme weather conditions?

A: Yes, the product is manufactured with a UV-stabilized HDPE jacket and high-density polyurethane insulation. It withstands temperatures from -40C to +120C, resists UV rays, moisture, and chemicals, and maintains integrity in diverse weather conditions.

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