Mechanical Plugs Selection Guide - Low & High Pressure
We offer a wide range of mechanical plugs designed for various industrial and plumbing applications. Whether you're looking to seal, test, or protect pipelines, our selection includes options for low, medium, and high-pressure needs. Choose from durable materials like rubber, aluminum, and polypropylene for tasks ranging from simple leak prevention to high-pressure testing. Our Pipe plugs are versatile and can handle everything from water lines to pipeline joint integrity, ensuring effective solutions for any job.
Low Pressure Mechanical Plugs
Picture
Item #
Product
Description
ByPass
Min Size
Max Size
PSI Max
Materials
Price
Fast easy installation to keep inside diameters of pipes clean
-
6"
60"
-
Natural Rubber Gasket
$33.30 - $773.00
Work well for both gas and water lines. Fast inexpensive way to seal a leak. Environmentally friendly.
-
0.5"
8"
-
Natural Redwood
$4.45 - $81.70
Use in areas of heavy traffic such as driveways, doorways, sidewalks or warehouse floors where heavy machinery can drive over it.
-
1.5"
4"
-
Neoprene Gasket
$23.60 - $42.90
Low pressure test or temporary closure.
Yes
1.5"
36"
-
NBR/Natural Rubber Seals
$32.25 - $2,581.08
Testing for leaks & sealing off sections of pipelines made of cast iron, steel, clay, concrete, etc. Have hollow stem to fill or drain pipe.
Yes
0.5"
24"
-
Natural Rubber Seal
$10.00 - $1,994.76
Inexpensive, lightweight with ByPass fill or vent threaded removable cap.
Yes
0.5"
36"
-
Natural Rubber Seal/Aluminum
$37.36 - $741.69
Versatile, inexpensive. Won’t corrode. Low pressure test or bypass plug and bypass to bypass.
Yes
3.75"
19"
5
Polypropylene Rubber Seals
$25.80 - $860.00
Designed to Seal Monitor Wells.
-
1"
8.03"
6.5
Petroleum Resistant Nitrile
$6.70 - $129.60
PVC pipe plugs for many applications
Yes
1.5"
4"
40
Soft PVC Seal
$4.80 - $22.80
Brass lever provides excellent grip to fasten plug into hole. Reusable, easy-to-use.
-
0.375"
4"
2
Brass handle, zinc plated hardware. Neoprene rubber
$5.70 - $69.30
Inexpensive, versatile plug for many applications. T-handle provides excellent grip.
-
0.375"
4"
15
Rubber Seal
$11.60 - $362.00
Plugging open-ended pipes. Pipe dust cover
-
1.5"
18"
17
Aluminum with Neoprene Seal
$2.93 - $53.50
Plug open ended pipes
-
1.5"
4"
22
Polypropylene with Natural Rubber O-ring
$4.63 - $10.72
Plugging water line stub-outs
-
0.39"
5"
185
SBR/Natural Rubber O-ring
$4.67 - $43.80
Plugs for long term applications
-
6"
18"
17
Aluminum with Neoprene Seal
$201.00 - $773.00
Threaded – seal any damaged threads. Hub – hub fittings & bell end pipess
-
2"
4"
17
Natural Rubber O-Ring, ABS plastic, stainless steel
$8.78 - $19.10
Sewer Testing and long term applications
-
1.48"
8.03"
17
Natural rubber O-ring, glass reinforced ABS plastic
$5.40 - $53.00
Superior, versatile, nylon expansion plugs for variety of industrial applications where an airtight seal is required.
-
0.5"
6"
-
SBR/Natural Rubber Seal
$8.92 - $92.00
Sewer testing long term applications
-
1.48"
4.06"
5
Neoprene rubber O-ring, high impact ABS
$4.46 - $8.44
High Pressure Mechanical Plugs
Picture
Item #
Product
Description
ByPass
Min Size
Max Size
PSI Max
Materials
Price
Single tightening nut to expand seal and actuate pipeline locking pin with ByPass. Double block and bleed port for seal verification.
Yes
2.375"
23.875"
400
Nitrile Seals (others available)
$1,004.05 - $9,092.35
Determine joint integrity for pre-cast concrete pipe.
-
22"
120"
Air - 15, Water - 50
Lightweight Aluminum Design
$6,400 - $18,100
Force and water main, lift stations, nuclear cooling lines, fire protection lines, irrigation supply liines, and more. Round, rectangular and other shaped openings.
Yes
22"
120"
200+
EPDM, Viton Solid Nitrile, inflatable seals, aluminum, steel and more.
$536.43 - $8,196.88
Eliminates tube wall damage as seal is only part of plug to come in contact with pipe ID.
Optional
0.147"
10"
300
Plated Carbon Steel with Neoprene Seal
$147.28 - $956.75
Typical Applications: Force/water main, lift stations, nuclear cooling lines, fire protection lines, special plant situations, irrigation supply lines, and more.
Yes
0.48"
24"
Up to 15,000
Urethane, Neoprene, Dual Urethane/Neoprene
$406.73 - Up
Take immediate control and/or solder without draining the entire water system.
Optional
0.465"
4"
60
Molded silicone/EPDM composite rubber seal
$60.20 - $529.98
Blocking pipelines against tampering and gas theft, testing pipelines for leakage, and testing intermediate pressure regulators.
-
0.57"
2.25"
-
Stainless Steel, Nitrile Rubber
$15.05 - $18.28
Ideal for sealing and testing a variety of pipe sizes. They have a hollow stem for filling or testing of drains and other pipelines.
Yes
1.5"
12.7"
25
Aluminum, Steel, Molded Natural Rubber
$58.70 - $683.00
Double Mechanical Test Plug does the job of three plugs. Are ideal for use in plugging both wye connections. The sizing must be more exact than inflatable plugs but they are often less expensive.
-
1.55"
8.25"
25
Aluminum, Coated steel, modled pure rubber
$158.46 - $594.00
- Low Pressure Gas Plugs, 154 Series
- Multi-Flex® High Expansion Gas Bag Style Pipe Plug, 113 Series
- Multi-Flex® High Pressure Block & Bleed Plugs, 127BB Series
- Multi-Flex® High Pressure Hydrocarbon Resistant Inflatable Pipe Plugs, 127 Series
- Multi-Flex® Oil Resistant With & Without Bypass Pipe Plug, 114-115 Series
- Multi-Flex® Oil-Resistant Heavy-Duty Pipe Plug, With & Without By-Pass, 124-125 Series
- Municipal Style By-pass Plugs Sizes, 130-2 Series
- PeteStop® Pipe Plug, Inflatable Flow Stop, 129-8 Series
- PeteStop® Pipe Plug, Inflatable Line Stop, 128 Series
- PeteStop® Pipe Plug, Inflatable Line Stop, 129 Series
- Point Repair Packer Carrier with & without By-Pass, 130-5 Series
- Rigid Core Remote Placement Bore Hole Plugs & Packers, 126 Series
- Rubber Aramid Reinforced Pipe Plugs, 136 Series
- Rubber Leak Detector Test Plugs, 130-4 Series
- Rubber Long Test Plugs, 130-3 Series
- Rubber Pillow Style Test Ball Plugs, 130-9 Series
- Rubber Plugs with Large Flow-Through By-Pass,130-6 Series
- Rubber Plumber Test Plugs, 130-0 Series
- Rubber Plumber Test Plugs, With & Without By-Pass, 137 Series
- Rubber Remote Placement Plugs, 130-7 Series
- Rubber Stack Test Plugs, 130-1 Series
- Through the Valve Line Stop
- Effluent Pumps & Accessories
- Hose Assemblies
- Inflation Controllers For Pipe Plugs and Packers - 936 Series
- Mechanical Plug Safety Gags, 936-5 Series
- Pipe Plug Inflation Accessories
- Pipe Plugs and Packers Accessories Pull Cages, 936 Series
- Rotating Elbows for Gas and Fluid Systems, 936 Series Petersen®
- ABS & SS Threaded Pipe End Test Plug, 143-8 Series
- ABS End of Pipe Gripper Plug, 143-9 Series
- Bolt Type High Pressure Test Plugs, 147 Series
- Bolt Type Medium Pressure Test Plugs With By-Pass, 146-9 Series
- Custom Mechanical Plugs, 145-2 Series
- EZ-Swet Mechanical Line Stopper Plugs, 148-0 Series
- Flush Mounted & Beveled Finishing Plate Plugs, 140-4 & 140-5 Series
- Hand Tightening Aluminum Body Flexible Double Test Plugs, 149-2 Series
- Hand Tightening Aluminum Body Test Plugs With By-Pass, 149-1 Series
- Hand Tightening Double Seal Wing Nut, 141-2 Series
- Hand Tightening Low Pressure Aluminum Body By-Pass Plugs, 141 Series
- Hand Tightening Low Pressure Nylon Plug, 144 Series
- Hand Tightening Nylon Pipe Plug, 142-0 Series
- Hand Tightening Nylon Test & Cleanout Plugs, 143-0 Series
- High Impact ABS Wing Nut Plug, 144-1 Series
- High Lift Flange Weld Test Plugs, 151-Series
- High PSI Double Block & Bleed Single Actuator, 145-1 Series
- Lever Type Expandable Rubber Plugs, 143-1 Series
- Mechanical High Pressure Test Plugs, 145-9 Series
- Monitor Well Plugs, 142-8 Series
- Pipe Protector Bell or Spigot End, 140 Series
- Pipeline Joint Tester, 24in to 120in, 145-8 Series
- Polypropylene End of Pipe Plugs, 143-4 Series
- Remote Placement Expander Plugs,148-3 Series
- Rubber Seal Mechanical Pipe Plugs, 143-2 Series
- Steel Wing Nut Pipe Plugs, 143-3 Series
- T-Handle Aluminum Test Plugs with & without By-Pass, 143-7 Series
- Tapered Redwood Pipe Plugs, 140-1 Series
- Test Caps, 142-9 Series
- Water Line Stub Plugs, 143-5 Series
- Wing Nut Hand Tight Test Plugs, 141-1 Series
- High Pressure Portable Hydrostatic Test Pumps, 938-9 Series
- Hydrostatic Test Pumps, 938-93 Series
- Leak Detector Pressure Testing, 924-1304 Series
- Leak Detector Pressure Testing, 924-1304 Series
- Manhole Vacuum Test Equipment, 938-7 Series
- Parachutes, Stringers, Ventilators, Smoke Blowers
- Pipeline Deflection Gauges, 938-96 Series
- Pipeline Joint Testers, Sizes 24" to 120", 145-8 Series
- Smoke Testers, 938-95 Series
- Smoke Testers, 938-95 Series