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CHERNE MS2 Long Test Ball Plugs


Cherne MS2 long Test Ball plugs are ideal for waste stack testing from floor drains to sewer pipes.

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CHERNE 274518A
CHERNE 274526B
StyleModelFor Minimum Pipe Inside DiameterFor Maximum Pipe Inside DiameterFor Pipe SizeDeflated Dia.Deflated DiameterDeflated LengthMaterialRangePrice
A
274518		1 3/4"3 1/4"2" to 3"1.58"1.58"19 11/25"Rubber1.75" to 3.25"€189.85
B
274526		2 3/4"4 1/4"3" to 4"2.38"2.38"23 3/4"Rubber2.75" to 4.25"€252.76
B
274534		3 1/2"6 1/4"-3 1/4"3 1/4"26.62"Natural Rubber3.5" to 6.25"€558.83

Working Mechanism

  • The plugs should be positioned into the pipe at a distance at least equal to the pipe diameter.
  • Connect one end of the inflation hose to the plug inflation fitting.
  • Brace / block the plug.
  • Inflate pressure to the plug through the inflation hose and let it stabilise.
  • Proceed with the testing of pipe or other use of the plug.
  • Release plug pressure from outside the danger zone until the plug is completely deflated and finally remove bracing / blocking system.

Features

  • Cherne MS2 long Test Ball plugs come with moulded-in sealing ribs to guarantee a leak-free seal.
  • They are long enough to seal sewer run and wye vertical riser.
  • 274518, 274526 and 274534 models allow multi-stage deflation to remove backsplash.
  • They have pressure relief guard to protect against over-inflation.
  • These units include a 5 ft extension hose, safety handle & nylon strap to prevent the plug from sliding down.

Standards and Approvals

  • ISO 9001
  • OSHA

Frequently Asked Questions

What is the shelf life of Cherne pneumatic plugs?

Cherne offers a 2-year warranty on all pneumatic plugs (from the date of manufacture) when kept under controlled conditions and at temperatures between 0 and 125 degrees Fahrenheit.

How often should the pressure of the plugs be monitored?

The inflation pressure should be checked and maintained a minimum of once per 4 hours while in use.

What will happen during over-inflation or under-inflation of the plugs?

  • Over-inflation: It may cause the plug to dislodge and rupture at extreme velocity.
  • Under-inflation: It may cause the media and the plug restrained to dislodge from the pipe.

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