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Pipe Stoppers

Inflatable Medium Size Pipe Stoppers (2,5 - 3,0 bar)

General specifications

Pneumatic plugs for medium-bore pipelines (DN 50 - 600). Reinforced NR/SBR rubber with Kevlar cord.

  • Size rangeDN50 — DN600
  • Working pressure2,5 / 3,0 bar
  • Back pressure0,5 bar
  • MaterialNR + Kevlar (NBR, EPDM optional)
  • Air connectionQuick Coupling / Schrader
  • Working temp.−40 to 70 °C
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Description & features

Plugline Inflatable Medium Pipe Stoppers are designed for secure, versatile sealing and isolation in medium-diameter pipelines across various industrial, sewer, and plumbing applications. Built with durable materials, these stoppers provide a reliable inflatable seal for leak prevention, maintenance, and testing.

Key Features

  • Medium-Size Adaptability: Fits a range of medium-diameter pipes, offering versatile sealing for multiple pipeline types.
  • Reinforced rubber construction: size range DN50 — DN600, working pressure 2,5 / 3,0 bar, back pressure 0,5 bar, operating temperature −40 to 70 °C, Quick Coupling / Schrader air connection.
  • Inflatable Seal: Provides a secure, leak-proof seal that adjusts to the pipe shape, maintaining effectiveness under pressure.
  • Heavy-Duty Construction: Made from high-quality rubber and other durable materials, resistant to wear and harsh environments.
  • Quick Setup: Lightweight and easy to install, reducing downtime for maintenance and leak testing.
  • Reusable: Designed for multiple uses, allowing for cost-effective maintenance across various projects.

Advantages

  • Leak Prevention: Ensures effective isolation and prevents leaks during repair and testing.
  • Cost-Effective: Reusable and adaptable, providing long-term value for industrial and municipal maintenance needs.
  • High-Pressure Performance: Can withstand moderate to high pressures, making it ideal for sewer and water systems.
  • Portable and Lightweight: Easy to handle and transport, enabling rapid deployment on job sites.
  • Enhanced Safety: Ensures safe isolation of sections in pipelines, reducing operational risks.

Application Areas

  • Sewer and Drain Maintenance: Effective for sealing and testing in medium-size sewage and drainage pipes.
  • Plumbing and Water Lines: Ideal for isolating sections in water supply pipelines for leak prevention and testing.
  • Industrial Applications: Used for controlling flow and maintaining pressure in mid-sized pipelines within industrial settings.
  • Hydrostatic Pressure Testing: Sealing one or both ends of a pipe section to test for leaks under pressure.
  • Construction and Maintenance: Useful for isolating pipeline sections during construction, repair, or renovation projects.

Plugline Inflatable Medium Pipe Stoppers provide a dependable solution for professionals needing efficient, flexible, and high-quality sealing in medium-diameter pipelines across diverse industries.

Recommended deployment procedure

Plugline Inflatable Pipe Stoppers are used for sealing, blocking and pressure testing pipework. Follow the procedure below for safe installation and removal.

01
Inspect

Verify each stopper for surface defects. Confirm reference matches purchase order. Pre-test in a clean environment to nominal 0.5 bar.

02
Position

Insert deflated. Place at least two pipe-diameters inside the bore. Secure the connector hose to the inflation valve.

03
Inflate

Inflate to nominal pressure indicated on the datasheet. Hold for 60 seconds and verify seal under audible test.

04
Test

Perform line test per EN 1610 or local code. Record drop, hold time, ambient temperature.

05
Recover

Deflate fully before withdrawal. Inspect for damage. Stopper may be reused for up to 200 cycles under nominal conditions.

Datasheets & catalogues

Download technical datasheets and product catalogues for the Inflatable Pipe Stoppers line.

Find your model

Enter your pipe diameter to highlight matching models in the table below.

Matching: All 40 models shown

Available models

6 active references across two working-pressure ranges.

QUICK GUIDEThe table below is a live RFQ builder — add models, tailor the options and send the list. Nothing is charged.
1FindFilter by pipe diameter
2AddUse + / − to set the quantity of each model
3ConfigureSet the options per model in its row
4SendOpen your RFQ list and send it — we reply with a formal quotation
MATERIALNR/SBR + Kevlar standard for water & air · NBR for oils · EPDM for chemicals
AIR CONNECTIONQuick Coupling push-fit standard · Schrader Valve (tyre-type)
Set these per model with the Configure button in each row — defaults are pre-selected, and you can add several variants of the same model.
Quantity Product Code Pipe range (mm) Min. inner dia. Max. inner dia. Working pressure Back pressure Product diameter Length WeightConfigure
0
IMPS5010050-10050mm/1,97"100mm/3,94"3,0bar/43,51psi0,5bar/7,25psi45mm/1,77"150mm/5,91"0,3kg/0,66lbs
0
IMPS7015070-15070mm/2,76"150mm/5,91"3,0bar/43,51psi0,5bar/7,25psi65mm/2,56"200mm/7,87"0,4kg/0,88lbs
0
IMPS100200100-200100mm/3,94"200mm/7,87"3,0bar/43,51psi0,5bar/7,25psi85mm/3,34"200mm/7,87"1,0kg/2,20lbs
0
IMPS150300150-300150mm/5,91"300mm/11,81"2,5bar/36,25psi0,5bar/7,25psi135mm/5,31"300mm/11,81"2,0kg/4,40lbs
0
IMPS200400200-400200mm/7,87"400mm/15,75"2,5bar/36,25psi0,5bar/7,25psi182mm/7,16"400mm/15,75"3,0kg/6,60lbs
0
IMPS300600300-600300mm/11,81"600mm/23,62"2,5bar/36,25psi0,5bar/7,25psi280mm/11,02"600mm/23,62"6,0kg/13,2lbs
Specifying for a project

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DN, material, air connection, quantity. We come back inside 24 hours with the right reference, the test report on file, and stock confirmation from Istanbul.