Heat Shrink End Caps with Valves

Heat Shrinkable End Caps with Pressure-Release Valves

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What's special about these heat shrinkable connectors?

  • Equipped with a valve stem that allows you to monitor pressure changes, release gases, or input air as needed
  • Made of strong heat-shrinkable polyolefin to withstand the rigors of daily wear and tear
  • Equipped with an hot-melt adhesive that adheres to, and seals, hose or pipe ends
  • For an added measure, use steel cable ties to secure the end cap
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These heat shrink end caps are a step above the rest. Their unique design is equipped with a stem valve to release extra pressure or gases, as well as hot-melt adhesive to create a weathertight seal.

Part #SizeID Before
ID After
Wall After
Length Before
ED-HSEC-100-V1"1.00"0.31"0.09"2.76"0.06 lb
ED-HSEC-150-V1-1/2"1.38"0.59"0.12"3.35"0.08 lb
ED-HSEC-200-V2"2.17"1.00"0.13"4.33"0.13 lb
ED-HSEC-300-V3"2.95"1.38"0.14"5.12"0.19 lb
ED-HSEC-400-V4"3.94"1.97"0.16"6.10"0.30 lb
ED-HSEC-500-V5"4.72"2.36"0.16"6.10"0.39 lb
  • Adhesive applied on the inner ring in a corkscrew pattern for even coverage and an airtight, wateright seal
  • Easy to install and apply; simply attach firmly and shrink using a heat shrink gun


Ideal for Use on:


Property Test Method Values
Operating Temperature Range n/a -55°C to 110°C (-67°F to 230°F)
Shrink Temperature n/a 120°C (248°F)
Tensile Strength ISO 37 14 MPA minimum
Ultimate Elongation ISO 37 400% minimum
Specific Gravity ISO 1183 1.95 maximum
Electric Strength IEC 243 15KV/mm minimum
Corrosion(Copper Contact and Copper Mirror) ASTM D2671 No corrosion
Water Absorption ISO 62 0.5% maximum

Fluid Resistance

Lubricating Oil
Hydraulic Fluid
- Tensile Strength
- Ultimate Elongation
ISO 1817

ISO 37

8.8 MPA minimum
400% minimum
Fungus Resistance ISO 846 No fungal growth


Material Alternate Name Limiting Oxygen Index (LOI) Category
ECTFE (Ethylene chlorotrifluoroethylene) Halar 64% Self-Extinguishing
Nomex N/A 28% Slow Burning
Nylon 6:6 N/A Ranges from 24-29% Slow Burning to Self-Extinguishing
PET (Polyethylene Terephthalate) Mylar (film), Dacron (fiber) Ranges from 21-34% Slow Burning to Self-Extinguishing
Polyethylene (PE) N/A 17% Flammable
Polypropylene (PP) Polythene (in the UK) 17% Flammable
Polytetrafluoroethylene (PTFE) Teflon 95% Self-Extinguishing
Polyvinyl Choride (PVC) N/A Ranges from 45-49% Self-Extinguishing




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