114 & 115 Series Multi-Flex™ Medium Duty Plugs With & Without By-Pass Sizes: 1 1/2" to 72"

For 124 & 125 Series Heavy Duty Plugs click here

For other inflatable plugs click here

Inflation controllers, gauges, hoses, etc. on our accessories page

Compact Diameter.  Inflates Up To 8 Times For Easy Insertion

Most sizes afford easy placement by one man. Flexibility allows Multi-Flex™ plugs to navigate through small hot tap or branch pipe into large pipeline; then inflate with air or water.

Typically used for plugging or testing of pipelines especially when there is small-restricted access. The Multi-Flex™ plug is the most flexible plug on the market; it has the greatest multi-size range and will conform to almost any pipe configuration. The small-deflated diameter and flexibility allows insertion and removal through a manhole for plugging otherwise inaccessible pipelines. It is also used as a semi permanent valve to isolate hazardous waste spills. Nylon reinforced nitrile outer ply provides a long life and an excellent seal for testing. No shelf rot like rubber plugs. The by-pass allows flow through by pumping or gravity.

High Strength Flexible Materials
Plugs are made from very high strength flexible woven and non-woven materials and have connections for water or air inflation.

Multi-Size Applications
Petersen® Multi-Flex™ plugs may be used in any pipeline larger than the deflated diameter. Allow for some seepage in smaller size pipelines.

By-Pass
The by-pass design allows flow through during repairs. Flow-thru diameters available up to 3" on standard Multi-Flex™ plugs and larger sizes on custom configurations.

Most Sizes Available
Most sizes are available for prompt shipment.

Light Weight
Allows one person insertion for many sizes and applications.

Diver Friendly
Small deflated size allows removal of air for easier insertion under water.

Higher Head Pressure
All inflation pressure is applied to the inside wall of the pipe through the Multi-Flex™ plug. Molded rubber plugs require much of the inflation pressure just to expand the plug.

Flexibility
Deflated Multi-Flex™ plugs easily navigates bends and small openings. A 72" Multi-Flex™ plug may be inserted through a 24" manhole!

Custom Configurations
Custom Flexible and Rigid Plugs have been manufactured for many high temperature and severe chemical applications. Please contact us to discuss your requirements.


Inflated Multi-Flex™ Plug

Deflated

 

 

 
114 Series Multi-Flex™Medium Duty Plugs Without By-Pass
Pipe Diameter
Maximum
**Pipeline

Inflation

Port*

Deflated
Length
Shpg
Wt
lbs
Item
Number
Maximum Minimum
Inflation
Max. Head
in mm in mm psig bar ft m in npt in mm
2 51 1.5 38 30 2.0 34 10.5 1/2 M - 1/4 QC 10 254 1 PET.114-002
3 76 1.5 38 30 2.0 34 10.5 1/2 M - 1/4 QC 12 305 1 PET.114-003
4 102 2.0 50 30 2.0 34 10.5 1/2 M - 1/4 QC 16 406 2 PET.114-004
6 152 2.5 63 30 2.0 34 10.5 1 M - 1/4 QC 18 457 5 PET.114-006
8 203 3.5 89 30 2.0 34 10.5 1 M - 1/4 QC 22 558 5 PET.114-008
10 254 3.5 89 25 1.7 28 8.8 1 M - 1/4 QC 26 660 6 PET.114-010
12 305 3.5 89 25 1.7 28 8.8 1 1/2 M - 1/4 QC 30 762 8 PET.114-012
15 381 4.0 102 20 1.4 23 7.0 2 M - 1/2 QC 36 914 10 PET.114-015
16 406 4.0 102 15 1.0 17 5.2 2 M - 1/2 QC 38 965 12 PET.114-016
18 457 4.0 102 15 1.0 17 5.2 2 M - 1/2 QC 40 1016 15 PET.114-018
20 508 4.0 102 15 1.0 17 5.2 2 M - 1/2 QC 42 1067 21 PET.114-020
24 610 5.0 127 10 0.7 11 3.5 2 M - 1/2 QC 48 1219 22 PET.114-024
30 762 6.0 152 9 0.6 10 3.1 2 M - 1/2 QC 59 1498 27 PET.114-030
33 838 6.0 152 9 0.6 10 3.1 2 M - 1/2 QC 68 1727 29 PET.114-033
36 914 7.0 178 9 0.6 10 3.1 2 M - 1/2 QC 72 1828 30 PET.114-036
42 1067 7.0 178 8 0.5 9 2.8 3 M - 1/2 QC 83 2108 55 PET.114-042
48 1219 7.0 178 5 0.3 6 1.9 3 M - 1/2 QC 96 2438 56 PET.114-048
54 1372 9.0 229 5 0.3 6 1.9 3 M - 1/2 QC 116 2946 80 PET.114-054
60 1524 9.0 229 4.5 0.3 5 1.6 3 M - 1/2 QC 122 3098 82 PET.114-060
66 1676 9.0 229 4 0.3 4 1.4 3 M - 1/2 QC 136 3454 94 PET.114-066
72 1829 9.0 229 3.5 0.2 4 1.2 3 M - 1/2 QC 150 3810 130 PET.114-072

 

 

115 Series Multi-Flex™Medium Duty Plugs With By-Pass
Pipe Diameter

By-Pass
Connection

Maximum
**Pipeline

Inflation

Port*

Deflated
Length
Shpg
Wt
lbs
Item
Number
Maximum Minimum
Inflation
Max. Head
in mm in mm in npt psig bar ft m in npt in mm
4 102 2.0 50 1/2 M 25 1.7 28 8.8 1/4 F - 1/4 QC 16 406 5 PET.115-004
6 152 2.5 63 1/2 M 25 1.7 28 8.8 1/4 F - 1/4 QC 18 457 9 PET.115-006
8 203 3.5 89 1/2 M 25 1.7 28 8.8 3/8 F - 1/4 QC 22 558 10 PET.115-008
10 254 3.5 89 1/2 M 25 1.7 28 8.8 3/8 F - 1/4 QC 26 660 12 PET.115-010
12 305 3.5 89 1/2 M 25 1.7 28 8.8 3/8 F - 1/4 QC 30 762 14 PET.115-012
15 381 4.0 102 3/4 M 20 1.4 23 7.0 3/8 F - 1/2 QC 36 914 17 PET.115-015
16 406 4.0 102 3/4 M 15 1.0 17 5.2 3/8 F - 1/2 QC 38 965 18 PET.115-016
18 457 4.0 102 3/4 M 15 1.0 17 5.2 3/8 F - 1/2 QC 40 1016 22 PET.115-018
20 508 4.0 102 3/4 M 15 1.0 17 5.2 3/8 F - 1/2 QC 42 1067 30 PET.115-020
24 610 5.0 127 3/4 M 10 0.7 11 3.5 3/8 F - 1/2 QC 48 1219 32 PET.115-024
30 762 6.0 152 3/4 M 9 0.6 10 3.1 3/8 F - 1/2 QC 59 1498 39 PET.115-030
33 838 6.0 152 3/4 M 9 0.6 10 3.1 3/8 F - 1/2 QC 68 1727 42 PET.115-033
36 914 7.0 178 3/4 M 9 0.6 10 3.1 3/8 F - 1/2 QC 72 1828 44 PET.115-036
42 1067 7.0 178 3/4 M 8 0.5 9 2.8 3/8 F - 1/2 QC 83 2108 69 PET.115-042
48 1219 7.0 178 3/4 M 5 0.3 6 1.9 3/8 F - 1/2 QC 96 2438 74 PET.115-048
54 1372 9.0 229 3/4 M 5 0.3 6 1.9 3/8 F - 1/2 QC 116 2946 101 PET.115-054
60 1524 9.0 229 3/4 M 4.5 0.3 5 1.6 3/8 F - 1/2 QC 122 3098 105 PET.115-060
66 1676 9.0 229 3/4 M 4 0.3 4 1.4 3/8 F - 1/2 QC 136 3454 118 PET.115-066
72 1829 9.0 229 3/4 M 3.5 0.2 4 1.2 3/8 F - 1/2 QC 150 3810 155 PET.115-072

*QC Quick connection

Custom configurations also available

For Integral anchoring harness: Add 25% to price - Suffix "H"

**Inflatable Plug Warning: Maximum head pressures that a pipe plug may hold back can only be estimated. Pressures are influenced by many factors including fluid in the pipe, coefficient of pipeline friction, pressure required to inflate the plug, and the length of the inflated plug. Generally, an inflatable plug inserted fully into pipeline will begin slipping between 50% and 80% of the inflation pressure, but even 50% may be high 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 must 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. 

 

Products covered by one or more of the following patents: 4,565,222; 5,353,842; 5,901,752; 6,446,669; 6,568,429; 6,899,138 and other applications pending.

 


 

Trademarks are the properties of their respective owner(s).


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