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System of Measurement System of Measurement |
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![]() | Round |
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For Maximum Pipe ID For Maximum Pipe ID |
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Plate Material Plate Material |
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DFARS (Defense Acquisition Regulations Supplement) DFARS (Defense AcquisitionRegulations Supplement) |
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REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) REACH (Registration,Evaluation, Authorization and Restriction of Chemicals) |
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Maximum Temperature Maximum Temperature |
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RoHS (Restriction of Hazardous Substances) RoHS (Restriction ofHazardous Substances) |
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For OD For OD |
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Seal Material Seal Material |
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Maximum Water Back Pressure Maximum WaterBack Pressure |
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Maximum Air Back Pressure Maximum Air Back Pressure |
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With Bypass With Bypass |
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About Durometer Hardness Scales
More
Hollow Tapered Plugs

The hollow construction allows these plugs to compress for a snug fit in threaded and unthreaded holes of varying diameters. Use the flange to remove them with ease.
For technical drawings and 3-D models, click on a part number.
Metal Round Caps

More durable than plastic caps, these provide the most protection from abrasion and impact.
Steel caps are stronger than aluminum.
Aluminum caps have good corrosion resistance, are lightweight, and are nonmagnetic.
Stainless steel caps have excellent corrosion resistance, making them the best choice for harsh environments. They also have good chemical resistance.
For technical drawings and 3-D models, click on a part number.
Tapered Caps

These flexible plastic caps are tapered to fit a variety of unthreaded and threaded objects.
For technical drawings and 3-D models, click on a part number.
For OD | For Pipe Size | Inside Ht. | Max. Temp., °F | Color | Pkg. Qty. | Pkg. | |
Flexible Polyethylene Plastic | |||||||
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3.94"-4.07" | 3 1/2 | 3/4" | 150° | Red | 25 | 00000000 | 000000 |
For OD | For Pipe Size | Inside Ht. | Max. Temp., °F | Color | Pkg. Qty. | Pkg. | |
Flexible Polyethylene Plastic | |||||||
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3.71"-3.84" | 3 1/2 | 3/4" | 150° | Red | 25 | 00000000 | 000000 |
Adhesive-Back Flange Caps

Stick these caps on the raised surfaces of flanges or other flat surfaces for extra protection during transport and storage.
For technical drawings and 3-D models, click on a part number.
For Pipe Size | For OD | Adhesive Type | Max. Temp., °F | Color | Pkg. Qty. | Pkg. | |
Rigid Plastic | |||||||
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3 1/2 | 5 1/2" | Rubber | 160° | Black | 4 | 0000000 | 000000 |
Wing Nut Expansion Plugs

Twist the wing nut on these plugs to expand the seal and close off pipe openings. Maximum air back pressure is the amount of pressure a plug can withstand without moving. Maximum water back pressure refers to the pressure resulting from the height of the water above the plug.
For Pipe | Max. Back Pressure | |||||||
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Size | ID | Air, psi | Water, ft. of head | O'all Ht. | Temp. Range, °F | Seal Material | Each | |
Style A | ||||||||
Stainless Steel Plate | ||||||||
3 1/2 | 3.44"-3.60" | 5 | 12 | 2 15/16" | 0° to 175° | Neoprene Rubber | 0000000 | 000000 |
Hex-Nut Expansion Plugs

Tighten the nut on these plugs to expand the seal and close off pipe openings. Maximum air back pressure is the amount of pressure a plug can withstand without moving. Maximum water back pressure refers to the pressure resulting from the height of the water above the plug.
For Pipe | Max. Back Pressure | |||||||
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Size | ID | Air, psi | Water, ft. of head | O'all Ht. | Temp. Range, °F | Seal Material | Each | |
Style B | ||||||||
Stainless Steel Plate | ||||||||
3 1/2 | 3.44"-3.60" | 5 | 12 | 3 1/16" | -40° to 250° | Neoprene Rubber | 0000000 | 000000 |
Quick-Snap Expansion Plugs

Turn the cam handle to expand the seal, then snap the handle down to hold it in place and close off pipe openings. Maximum air back pressure is the amount of pressure a plug can withstand without moving. Maximum water back pressure refers to the pressure resulting from the height of the water above the plug.
For technical drawings and 3-D models, click on a part number.
For Pipe | Max. Back Pressure | Brass Handle | Stainless Steel Handle | |||||||
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Size | ID | Air, psi | Water, ft. of head | O'all Ht. | Temp. Range, °F | Seal Material | Each | Each | ||
Zinc-Plated Steel Plate | ||||||||||
3 1/2 | 3.38"-3.60" | 5 | 12 | 2 5/16" | -40° to 250° | Neoprene Rubber | 0000000 | 000000 | 000000 | 00 |
Stainless Steel Plate | ||||||||||
3 1/2 | 3.38"-3.60" | 5 | 12 | 2 5/16" | -40° to 250° | Neoprene Rubber | 000000 | 00 | 0000000 | 000000 |
T-Handle Expansion Plugs

Twist the easy-grip t-handle on these plugs to expand the seal and close off pipe openings. Maximum air back pressure is the amount of pressure a plug can withstand without moving. Maximum water back pressure refers to the pressure resulting from the height of the water above the plug.
For technical drawings and 3-D models, click on a part number.
For Pipe | Max. Back Pressure | Brass Handle | Stainless Steel Handle | |||||||
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Size | ID | Air, psi | Water, ft. of head | O'all Ht. | Temp. Range, °F | Seal Material | Each | Each | ||
Zinc-Plated Steel Plate | ||||||||||
3 1/2 | 3.44"-3.60" | 5 | 12 | 3 3/4" | -40° to 250° | Neoprene Rubber | 0000000 | 000000 | 000000 | 00 |
Stainless Steel Plate | ||||||||||
3 1/2 | 3.44"-3.60" | 5 | 12 | 3 3/4" | -40° to 250° | Neoprene Rubber | 000000 | 00 | 0000000 | 000000 |
Snap-In Pipe and Tubing Grommets


These grommets have two flanges that snap around holes and flex to compensate for misalignment and movement of pipe and tubing. They're often used for routing applications in panel walls. Made of plastic, these grommets are chemical resistant and won't dry out and become brittle when exposed to UV rays. All have a medium-hard rating to withstand high levels of impact. They can be used outdoors.
For technical drawings and 3-D models, click on a part number.
For Hole Dia. (A) | For OD | For Tube OD | For Pipe Size | For Material Thick. (B) | ID (C) | Flange Dia. (D) | Overall Ht. (E) | Hardness Rating | Hardness | Temp. Range, °F | For Use Outdoors | Color | Each | |
Vinyl Plastic | ||||||||||||||
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5 3/4" | 4"-4.12" | 4 1/8" | 3 1/2 | 0.05"-0.18" | 3 3/4" | 6 1/4" | 1.06" | Medium Hard | Durometer 60A | -40° to 200° | Yes | Black | 00000000 | 000000 |
Cleanout Plugs



Close off your drain cleanout pipe with these threaded plugs. Note: If you do not know your pipe size, measure the OD of your existing cleanout plug or the ID of your cleanout fitting and match to the value listed.