One & Two Piece -Tube Plugs

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One & Two Piece -Tube Plugs

Ideal for sealing leaky tubes in condenser and heat exchangers. It is recommended to use our ORTC – one revolution tube cutter to puncture the tube to ensure that pressure can not build up in the tube and cause the plug loosen or blow out.

One Piece Tube Plugs

KRAIS Tube Expanders

Tube OD:

3/8" - 9.53 mm  //  Tube Gauge: 15 ~ 22

1/2" - 12.70 mm  // Tube Gauge: 11 ~ 22

5/8" - 15.80 mm  // Tube Gauge: 11 ~ 22

3/4" - 19.05 mm  // Tube Gauge: 11 ~ 22

7/8" - 22.22 mm  // Tube Gauge: 11 ~ 22

** – Specify Material: Al.- Aluminium, S= Steel, Ss= Stainless Steel , B= Brass, M= Monel

Two Piece Tube Plugs

KRAIS Tube Expanders

Tube OD:

5/8" - 15.80 mm // Tube Gauge:  13 ~ 20 

3/4" - 19.05 mm //  Tube Gauge: 12 ~ 22

7/8" - 22.20 mm  //  Tube Gauge: 12 ~ 22 

1.0" - 25.40 mm  //  Tube Gauge: 12 ~ 22