Pronal Bypass Stoppers

About Pronal Bypass Stoppers

Benefits

  • Ideal for flow control (blanking off and bypassing) or air testing
  • May be fitted with up to a 2" BSP lever ball valve (and hydrant coupling if required for filling)
  • With bracing, smaller sizes can withstand back-pressures up to 1 bar/10m head water

Specification 

VPE Blank 100/200 200/400 300/600 500/1000**
Range (mm) 100-200

200-400

350-600 500-1000
Working Pressure 2.5 Bar 2.5 Bar 2.5 Bar 2.5 Bar
Diameter (mm) 92 192 322 472
Length (mm) 535 635 865 1185
Weight (kg) 1.1 3 8.4 17.5
VPE Bypass 100/200 200/400 300/600 500/1000**
Range (mm) 100-200

200-400

350-600 500-1000
Working Pressure 2.5 Bar 2.5 Bar 2.5 Bar 2.5 Bar
Diameter (mm) 92 192 322 472
Length (mm) 535 635 865 1185
Weight (kg) 2.6 6.3 16.6 31.3
 

User Guide

** Max back pressure 5m head of water when adequately strutted!

Note: Stoppers must be fully inserted into the pipe prior to inflation and must not be used in pipework within open excavations or unrestrained pipework. All pipes must be anchored before pressure testing.

 

Technical Library

Pronal 2.5 Bar Inflatable Stopper User Guide

Pronal 2.5 Bar Inflatable Stopper User Guide

User guide for the Pronal inflatable stopper with maximum inflation pressure of 2.5 bar.

99 Downloads

Pronal 2.5 Bar Inflation Controller User Guide

Pronal 2.5 Bar Inflation Controller User Guide

Operating instructions for the Pronal 2.5 bar Inflation Controller, to be used in conjunction...

35 Downloads