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Product · Leak Sealing

Bundled Sealing Bag

A flat sealing bag secured with straps over the leak site, ideal for emergency repair of ruptured pipes with a diameter of 150 to 500 mm.

Bundled leak-sealing bag

Strapped-On Sealing for Medium-Diameter Pipe Ruptures

The bundled sealing bag provides a fast, reliable emergency seal for ruptured pipelines between 150 mm and 500 mm in diameter, with a flat design that fits confined spaces.

  • Highly effective — one inflation provides a long-lasting seal
  • Rapid deployment — quick-connect couplings plus straps for fast connection and inflation
  • Flat design — only 12–15 mm thick, ideal for confined spaces
  • Chemical resistant — passes gasoline, acid and alkali tests
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Performance

Performance Parameters

No.ItemTest ConditionIndicator
1High & low temperature resistance-25°C, 60°C × 2h, 180° foldCrack-free
2Gasoline resistance120° gasoline, 1 hNo cracks, non-sticky
3Acid resistance80% H₂SO₄, 60% HNO₃, 30% HCl, 1 hImpermeable, non-stick, non-brittle
4Alkali resistance6.1 mol/L NaOH, 1 hImpermeable, non-stick, non-brittle
Scope & Specs

Application & Specifications

Suitable for leaks caused by pipe ruptures with diameters ranging from 150 mm to 500 mm.

Leak-Sealing Width (mm)Rated Pressure (MPa)
1500.15
Operation

How to Use the Leak-Sealing Bag

Align

Align the sealing surface of the bag with the leak site.

Secure

Secure the bag firmly using the straps.

Connect

Connect the foot pump, connecting hose and bag.

Inflate

Inflate to rated working pressure — never exceed it.

Need a bundled seal for a medium pipe?

Tell us the pipe diameter and medium — quote sent within 24 hours.

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