154 Series Low Pressure Gas Plugs Sizes: 1" to 48"

For other inflatable plugs click here

100% Polyester fabric cover, nitrile bladder

Gas Plugs For Low Pressure

Gas plugs consists of an inner bladder made of a high quality nitrile encased in a 100% Polyester fabric cover. The gauge of rubber and polyester vary with the size of the plug. Each size plug is expertly made to insure a snug fit and good shut-off when inflated. An inflation valve is standard with each bag: a pressure gauge is recommended and can be furnished at an additional cost.

Pipe Diameter Size of
Tap Hole		 Maximum Pressure** Inflation Port Shpg
Wt
lbs

Item

Number
Nominal Inflation Test Head
in mm in mm psig bar ft m
2 51 1.00 25 15 1.03 1.00 0.30 tire 1 PET.154-002-G
3 76 1.00 25 15 1.03 1.00 0.30 tire 1 PET.154-003-G
4 102 1.25 32 15 1.03 1.00 0.30 tire 1 PET.154-004-G
6 152 1.50 38 15 1.03 1.00 0.30 tire 1 PET.154-006-G
8 203 2.00 51 12 0.83 1.00 0.30 tire 2 PET.154-008-G
10 254 2.00 51 10 0.69 0.75 0.23 tire 2 PET.154-010-G
12 305 2.50 64 8 0.55 0.75 0.23 tire 2 PET.154-012-G
14 356 2.50 64 6 0.41 0.50 0.15 tire 3 PET.154-014-G
16 406 3.00 76 6 0.41 0.50 0.15 tire 5 PET.154-016-G
18 457 3.00 76 5 0.34 0.50 0.15 tire 6 PET.154-018-G
20 508 4.00 102 5 0.34 0.50 0.15 tire 7 PET.154-020-G
24 610 4.00 102 3 0.21 0.50 0.15 tire 13 PET.154-024-G
30 762 5.00 127 3 0.21 0.25 0.08 tire 18 PET.154-030-G
36 914 5.00 127 3 0.21 0.25 0.08 tire 23 PET.154-036-G
42 1067 6.00 152 1 0.07 0.25 0.08 tire 26 PET.154-042-G
48 1219 6.00 152 1 0.07 0.25 0.08 tire 35 PET.154-048-G

Deflated diameter is the diameter of pipe that plug may be inserted through to plug a pipeline.

Directional Gas Plugs 3" to 24" Diameter

The construction of the Directional Gas Plug is similar to traditional plugs but have an internal, curved flexible nylon tube that enables the user to direct the gas bag either upstream or downstream. This directional capability makes for easier insertion into the main.

Directional Gas Plugs are available with an optional inserting device.

Pipe Diameter Size of
Tap Hole		 Maximum Pressure**

Inflation

Port

 Shpg
Wt
lbs

Item

Number
Nominal Inflation Test Head
in mm in mm psig bar ft m
3 76 1.00 25 10 0.69 0.75 0.23 tire 1 PET.154-003-DR
4 102 1.00 25 9 0.62 0.75 0.23 tire 1 PET.154-004-DR
6 152 1.25 32 7 0.48 0.50 0.15 tire 1 PET.154-006-DR
8 203 2.00 51 6 0.41 0.50 0.15 tire 2 PET.154-008-DR
10 254 2.00 51 4 0.28 0.25 0.08 tire 2 PET.154-010-DR
12 305 2.50 64 4 0.28 0.25 0.08 tire 2 PET.154-012-DR
16 406 3.00 76 3 0.21 0.25 0.08 tire 5 PET.154-016-DR
20 508 4.00 102 2 0.14 0.25 0.08 tire 7 PET.154-020-DR
24 610 4.00 102 2 0.14 0.25 0.08 tire 13 PET.154-024-DR
 
Pressure Gauge for Gas Plugs
0 to 30 psi, 1/8" npt fitting 1 PET.930-7163

**Inflatable Plug Warning: Maximum head pressures that a pipe plug may restrain can only be estimated. Slippage is influenced by many factors including fluid in the pipe, coefficient of pipeline friction, pressure required to inflate the plug, and accuracy of pressure gauges. Generally, a Multi-Flex™ Inflatable Plug inserted fully into pipeline will begin slipping between 50% and 80% of the inflation pressure if it has an inflated pipe contact length of 1 ½ to 2 times the diameter, but even a head of 50% of the inflation pressure may cause slippage with some liquids. The inflation pressure is also subject to temperature change and debris or protrusions in the pipeline that could rupture the plug. The inflation pressure should be monitored and plugs anchored and/or mechanically blocked when slippage may cause property damage or injury.  NEVER use a test pressure greater than the capacity of the weakest pipe or component in the system. NEVER use an inflatable plug when its failure would cause injury.

Gas main line pressure must not exceed 12 in. w.c.

Do not inflate plugs over the above pressures.

 

 

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