Double Seal Test Plugs: Durable Aluminium Testing Plug with Single Rubber Seal for carrying out Water and Air Tests in all types of Pipelines.
Aluminium Plates combine strength with lightness, and will not rust.
Pressure Plates are made of aluminium gravity die-castings. Rubber Seals are commercial grade rubber mouldings. Chemical resistant Rubber Seals can be supplied.
Thrustwashers are fitted as standard on all sizes. All steel components are zinc plated – corrosion resistant to 90 hours salt spray test

Pipe Size Internal Nominal Diameter		Will Fit Pipes With Internal Diameter		Minimum Insertion into Pipe	Overall length	Diameter of waterway	Maximum allowable back pressure	Approx. Weight
Metric	Imperial	Minimum	Maximum
40mm	1 1/2″	38mm	50mm	90mm	150mm	1/2″	30p.s.i	0.28 kg
50mm	2″	49mm	62mm	90mm	150mm	1/2″	30p.s.i	0.33 kg
65mm	2 1/2″	62mm	77mm	90mm	150mm	1/2″	30p.s.i	0.43 kg
75mm	3″	73mm	89mm	90mm	150mm	1/2″	20p.s.i	0.47 kg
90mm	3 1/2″	84mm	103mm	106mm	150mm	1/2″	15p.s.i	0.56 kg
100mm	4″	94mm	110mm	94mm	150mm	1/2″	10p.s.i	0.60 kg
114mm	4 1/2″	112mm	130mm	112mm	150mm	1/2″	10p.s.i	0.75 kg
125mm	5″	125mm	142mm	120mm	150mm	1/2″	10.p.s.i	1.00 kg
150mm	6″	146mm	168mm	100mm	150mm	1/2″	10p.s.i	1.20 kg
175mm	7″	175mm	200mm	125mm	225mm	1″	7p.s.i	1.92 kg
200mm	8″	193mm	220mm	128mm	225mm	1″	7p.s.i	2.50 kg
225mm	9″	220mm	240mm	130mm	225mm	1″	7p.s.i	3.40 kg
250mm	10″	245mm	270mm	146mm	225mm	1″	7p.s.i	4.10 kg
275mm	11″	274mm	328mm	200mm	225mm	1″	7p.s.i	5.95 kg
300mm	12″	295mm	325mm	154mm	225mm	1″	7p.s.i	6.20 kg
325mm	13″	325mm	360mm	154mm	225mm	1″	5p.s.i	9.00 kg
350mm	14″	350mm	385mm	220mm	225mm	1″	5p.s.i	11.05 kg
375mm	15″	370mm	410mm	220mm	225mm	1″	5p.s.i	9.50 kg
400mm	16″	390mm	435mm	220mm	325mm	1″	5p.s.i	10.25 kg
450mm	18″	445mm	495mm	300mm	425mm	1″	5p.s.i	12.40 kg
500mm	20″	495mm	550mm	300mm	425mm	2″	5p.s.i	29.00 kg
525mm	21″	495mm	550mm	300mm	425mm	2″	3p.s.i	29.00 kg
600mm	24″	595mm	650mm	300mm	425mm	2″	3p.s.i	33.00 kg