TAG Aluminium Expanding Pipe Stoppers

Sizes: Up to 72” (1828mm)

Aluminium Plugs

To complement the range of nylon expanding plugs, we offer all sizes of aluminium plugs.
These are provided in sizes from 1.5" upwards and are suitable for more arduous duties such as immersion in chemicals and/or higher temperatures.

 

TAG Aluminium Expanding Pipe Stoppers

Expandable test plugs for purging and general pipe blocking

Pipe stoppers, or drain plugs as they are sometimes known, are used to temporarily seal the end of a pipe or opening for many different testing applications. Pipe stoppers are mainly used to seal off from water, gases and foreign objects in newly laid pipes, or pipework systems that are under repair.
TAG Pipe Purge System range of Pipe stoppers are available in a number of different styles to suit many applications for pipe sizes from ½ to 72". Special Pipe stoppers are also available for pressure testing.

 

How it works

A central spindle/shaft on which two plates are fitted with a natural rubber tyre (ring) between them, a wing nut on the shaft moving the two plates together compressing the tyre and making the seal in the pipe. These stoppers can also be supplied with a hollow shaft version for screwing on standard hose connections or for using fixed or free nipple caps.

Expandable Pipe Stoppers are available in three different types.

All plugs conform to British Standards BS8005 for low pressure testing and sealing of pipes.

 

TAG Aluminium Expanding Pipe Stoppers Options

Sizing and Specification
PART NO. PIPE SIZE INTERNAL NOMINAL DIAMETER METRIC/IMPERIAL WILL FIT PIPES WITH INTERNAL DIAMETER MINIMUM/MAXIMUM MINIMUM INSERTION INTO PIPE OVERALL LENGTH DIAMETER OF WATERWAY MAXIMUM ALLOWABLE BACK PRESSURE APPROX. WEIGHT
AES1.5 40mm / 1½" 38mm / 50mm 45mm 94mm ½" 30p.s.i. 0.17kg
AES2 50mm / 2" 49mm / 62mm 43mm 90mm ½" 30p.s.i. 0.22kg
AES2.5 65mm / 2½" 62mm / 77mm 43mm 92mm ½" 30p.s.i. 0.27kg
AES3 75mm / 3" 73mm / 89mm 43mm 94mm ½" 20p.s.i. 0.31kg
AES3.5 90mm / 3½" 84mm / 103mm 53mm 96mm ½" 15p.s.i. 0.36kg
AES4 100mm / 4" 94mm / 110mm 47mm 94mm ½" 10p.s.i. 0.36kg
AES4.5 114mm / 4½" 112mm / 130mm 56mm 140mm ½" 10p.s.i. 0.47kg
AES5 125mm / 5" 125mm / 142mm 60mm 95mm ½" 10p.s.i. 0.79kg
AES6 150mm / 6" 146mm / 168mm 48mm 96mm ½" 10p.s.i. 0.70kg
AES7 175mm / 7" 175mm / 200mm 64mm 100mm 1" 7p.s.i. 1.92kg
AES8 200mm / 8" 193mm / 220mm 64mm 100mm 1" 7p.s.i. 1.59kg
AES9 225mm / 9" 220mm / 240mm 64mm 170mm 1" 7p.s.i. 2.06kg
AES10 250mm / 10" 245mm / 270mm 73mm 178mm 1" 7p.s.i. 2.52kg
AES11 275mm / 11" 274mm / 328mm 100mm 200mm 1" 7p.s.i. 3.45kg
AES12 300mm / 12" 295mm / 325mm 77mm 200mm 1" 7p.s.i. 3.42kg
AES13 325mm / 13" 325mm / 360mm 120mm 230mm 1" 5p.s.i. 4.75kg
AES14 350mm / 14" 350mm / 385mm 110mm 215mm 1" 5p.s.i. 6.95kg
AES15 375mm / 15" 370mm / 410mm 110mm 225mm 1" 5p.s.i. 5.35kg
AES16 400mm / 16" 390mm / 435mm 110mm 225mm 1" 5p.s.i. 5.9kg
AES18 450mm / 18" 445mm / 495mm 110mm 225mm 2" 5p.s.i. 8.75kg
AES20 500mm / 20" 495mm / 550mm 145mm 255mm 2" 5p.s.i. 11.3kg
AES21 525mm / 21" 520mm / 575mm 145mm 255mm 2" 3p.s.i. 11.8kg
AES24 600mm / 24" 595mm / 650mm 145mm 255mm 2" 3p.s.i. 15.85kg
* Larger sizes available upon request

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Pipe Stoppers

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