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System of Measurement
Inch
Metric
Pipe Size
1/16
1/8
1/4
3/8
1/2
5/8
3/4
3/4
to 1
1/4
7/8
1
1 to 1
1/4
1
1/8
1
1/4
1
1/4
to 1
1/2
1
1/4
to 2
1
1/2
1
1/2
to 2
1
3/4
Expansion Plug Type
Four Arm Handle
Hex Nut
Inflatable
Loop Nut
Quick Snap
Square Head
T-Handle
Wing Nut
For Pipe ID
Less than 1"
1" to 4.99"
5" to 9.99"
10" to 19.99"
20" or greater
Maximum Air Back Pressure
Less than 10 psi
10 psi to 24 psi
25 psi to 49 psi
50 psi to 99 psi
100 psi or greater
Not Rated
Sealing Location
End of Conduit
End of Pipe
Inside Pipe
Material
Aluminum
Brass
Cork
Iron
Metal
Nickel
Plastic
Rubber
Stainless Steel
Steel
ID
0.022" to 0.079"
0.025" to 0.08"
0.03" to 0.083"
1/32"
to
3/64"
1/32"
to
3/32"
1/32"
to
1/8"
3/64"
to
1/16"
3/64"
to
7/64"
3/64"
to
13/64"
0.05" to 0.09"
1/16"
to
5/64"
1/16"
to
11/64"
1/16"
to
13/64"
0.07" to 0.11"
5/64"
to
7/64"
5/64"
to
1/8"
5/64"
to
11/64"
5/64"
to
3/16"
Plate Material
Plastic
Stainless Steel
Steel
Deflated Diameter
3/4"
1
1/8"
1
3/16"
1
1/4"
1
3/8"
1
1/2"
1
3/4"
2
5/16"
2
3/8"
2
1/2"
2
5/8"
2
11/16"
3
1/8"
3
1/4"
3
1/2"
4
1/2"
5"
5
1/4"
6"
6
5/8"
6
3/4"
6
7/8"
7
1/4"
8
1/4"
8
3/4"
10
1/4"
10
3/4"
11"
13
3/4"
14
1/4"
19"
19
1/8"
Shape
Cap and Plug
Corner
Rectangle
Round
Square
Straight
Fitting Type
Adapter
Plug
Plug Connection Method
Pull Through
Push In
Thread Type
BSPP
BSPT
GHT
Metric
NPS
NPSM
NPT
Schrader
UN
UN/UNF (SAE 45°)
UN/UNF (SAE Straight)
UNC
UNF
UNS
Color
Beige
Black
Blue
Brown
Clear
Dark Blue
Dark Brown
Dark Green
Dark Red
Gray
Green
Light Brown
Light Gray
Off-White
Orange
Pink
Purple
Red
Silver
White
Yellow
Maximum Temperature
Less than 200° F
200° F to 249° F
250° F to 399° F
400° F to 499° F
500° F or greater
Not Rated
Profile Shape
Flanged
Straight
Taper
For Use With
ABS Pipe
Cast Iron Pipe
Compressed Air
Corners
Pipe
Pipe Flanges
PVC Pipe
Rods
Screws
Solvents
Tubing
Air
Argon
Deionized Water
Diesel Fuel
Fuel Oil
Gasoline
Hydraulic Fluid
Overall Height
13/16"
1
1/16"
1
1/8"
1
1/4"
1
5/16"
1
3/8"
1
7/16"
1
5/8"
1
11/16"
1
3/4"
1
13/16"
1
7/8"
1
15/16"
2"
2
1/16"
2
1/8"
2
3/16"
2
1/4"
Height
3/16"
1/4"
9/32"
5/16"
11/32"
3/8"
13/32"
7/16"
15/32"
1/2"
17/32"
9/16"
19/32"
5/8"
21/32"
11/16"
23/32"
3/4"
Seal Material
PVC
Rubber
With Bypass
Yes
No
RoHS
Compliant
Compliant with Exemptions
Not Compliant
Export Control Classification Number (ECCN)
2B999
EAR99
DFARS Specialty Metals
Exempt
REACH
Compliant
Not Compliant
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1,321 Products
Expansion Plugs
Wing-Nut Expansion Plugs
Twist the wing nut to expand the seal without needing tools
51 products
Expansion Plugs with Bypass
Use the bypass tube to add fluid to pipelines or to reduce pressure
51 products
Air-Inflatable Plugs
Temporarily seal wide and out-of-round pipes
32 products
Hex-Nut Expansion Plugs
Install with a nutdriver for a tighter seal than hand-tightened nuts
32 products
T-Handle Expansion Plugs
Easier to grip and twist than wing nuts, especially when wearing gloves
45 products
Quick-Snap Expansion Plugs
Turn the handle to expand the seal, then snap it down for fast installation
58 products
Air-Inflatable Plugs with Bypass
Temporarily seal wide and out-of-round pipes, with a bypass tube to add air and fluid
10 products
Long-Reach Hex-Nut Expansion Plugs with Bypass
Use the bypass tube to add air and fluid to pipelines or to reduce pressure
7 products
Air- and Water-Inflatable Plugs
Fit into tight pipe joints with our most flexible expansion plugs
6 products
Long-Reach Wing-Nut Expansion Plugs
Insert deep within your pipe to seal it off from the inside
15 products
Square-Head Expansion Plugs
Turn the square head into the sealing ring to close off pipelines
5 products
Air-Inflatable Plugs for Tee Connections
Often used for plumbing tests, thread into tees and inflate to block flow
5 products
Air- and Water-Inflatable Plugs for Wye-Joints
Extra long to seal off two pipes in a wye-joint at the same time
3 products
Expansion Plugs for Cleanout Tees
No need to inflate with an air compressor or hand pump
5 products
Remote-Access Air-Inflatable Plugs
Plug pipe that’s hard to reach, such as underground sewage lines
4 products
Expansion Plugs for Conduit
Seal conduit openings to keep water, dirt, and animals from damaging your wiring
11 products
Quick-Locking Expansion Plugs
Save time by installing with just one quarter turn
6 products
Other Products
Pressure Test Fittings
Create a temporary connection point for gauges and other testing equipment
31 products
Protective Plugs
Insert into holes in pipe, containers, panels, and parts to keep out debris
500 products
Pipe and Fittings
Generally thicker and more rigid than tubing for distributing liquids and gases
44 products
Protective Caps
Protect just about anything, including pipe, flanges, screws, and posts
289 products
Hose Fittings
Create threaded, barbed, quick-disconnect, and other types of connections between lengths of hose
9 products
Bore Sealing Plugs
Permanently seal unthreaded holes in pneumatic and hydraulic components
69 products
Drain Cleanouts
Create an access point to inspect and clean floor drain pipelines
3 products
Tamper-Evident Seals
Secure hasps, latches, and other connections to visibly indicate tampering
2 products
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)