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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.
| For Pipe Size | For Thread Dia. | For ID | Ht. | Flange Dia. | Max. Temp., °F | Hardness | Color | Pkg. Qty. | Pkg. | |
Polyethylene Plastic | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
For Unthreaded and Straight-Thread Pipe | ||||||||||
| 3/4 | 7/8" | 3/4"-0.848" | 9/16" | 1" | 150° | Durometer 45D | Red | 100 | 0000000 | 00000 |
Pull-Ring Tapered Plugs
Pull the two built-in rings to quickly remove these plugs. All are tapered to fit a range of hole diameters.
For technical drawings and 3-D models, click on a part number.
| For Pipe Size | For ID | Ht. | Ring Dia. | Max. Temp., °F | Hardness | Color | Pkg. Qty. | Pkg. | |
Polyethylene Plastic | |||||||||
|---|---|---|---|---|---|---|---|---|---|
For NPT Tapered-Thread Pipe | |||||||||
| 3/4 | 57/64"-31/32" | 1/2" | 1 11/32" | 150° | Durometer 43D | Blue | 100 | 00000000 | 00000 |
Hollow High-Temperature Tapered Plugs
The hollow construction allows these plugs to compress for a snug fit in threaded and unthreaded holes of varying diameters. Good for electroplating, paint baking, and powder-coating applications, these plugs withstand temperatures up to 450° F for 20 minutes. Use the flange to remove them with ease.
For technical drawings and 3-D models, click on a part number.
Round Plugs
The hollow construction allows these plugs to compress for a snug fit in threaded and unthreaded holes.
For technical drawings and 3-D models, click on a part number.
| For ID | For Thread Dia. | For Pipe Size | Ht. | Flange Dia. | Max. Temp., °F | Hardness | Color | Pkg. Qty. | Pkg. | |
Vinyl Plastic | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
For NPT Tapered-Thread Pipe and Straight-Thread Pipe | ||||||||||
| 1.04" | 1 1/16" | 3/4 | 11/16" | 1 5/16" | 180° | Durometer 75A | Red | 100 | 0000000 | 000000 |
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.
Caps for straight threads are good for hydraulic fittings.
For technical drawings and 3-D models, click on a part number.
| For OD | For Pipe Size | For Thread Dia. | Inside Ht. | Max. Temp., °F | Color | Pkg. Qty. | Pkg. | |
Flexible Polyethylene Plastic | ||||||||
|---|---|---|---|---|---|---|---|---|
| 0.933"-1.083" | 3/4 | 1 1/16" | 3/4" | 150° | Red | 100 | 0000000 | 00000 |
High-Temperature Tapered Caps
Made of silicone, these caps withstand temperatures of 450° F for electroplating, paint-baking, and powder-coating applications. All of these flexible 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 | For Thread Type | Inside Ht. | Max. Temp., °F | Color | Pkg. Qty. | Pkg. | |
For Unthreaded Pipe and NPT Tapered-Thread Pipe | ||||||||
|---|---|---|---|---|---|---|---|---|
Flexible Silicone Rubber | ||||||||
| 0.687"-0.785" | 3/4 | NPT | 0.56" | 450° | Red | 10 | 0000000 | 00000 |
Tear-Tab Caps
Push these caps onto pipe and fittings, then tear their tab to break the seal for easy removal.
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. | |
Rigid Polyethylene Plastic | |||||||
|---|---|---|---|---|---|---|---|
For NPT Tapered-Thread Pipe and Unthreaded Pipe | |||||||
| 1.005" | 3/4 | 5/8" | 150° | Blue | 100 | 0000000 | 00000 |
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 | |||||||
|---|---|---|---|---|---|---|---|
| 3/4 | 1 11/16" | Rubber | 160° | Black | 15 | 0000000 | 000000 |
SAE Flange Caps
Protect SAE hydraulic flanges during shipping, storing, and finishing applications. Made of polyethylene, these flexible caps are easy to align and push into the center and bolt holes of your flange. All are compatible with BSPP, NPTF, and SAE threads. They can also be used with socket-connect flanges.
For technical drawings and 3-D models, click on a part number.
Flange Caps
Snap these caps into flange bolt holes to safeguard pipe flanges during shipping, storing, and finishing applications. They all have a thick center pad to protect the flange opening and pipe threads from damage.
For technical drawings and 3-D models, click on a part number.
| For Pipe Size | For Pressure Class | For Bolt Circle Dia. | Max. Temp., °F | Color | Pkg. Qty. | Pkg. | |
Flexible Polyethylene Plastic | |||||||
|---|---|---|---|---|---|---|---|
| 3/4 | 150 | 2 3/4" | 175° | Red | 10 | 0000000 | 00000 |
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.
Style E have an eyebolt that allows you to tether or hang these plugs for convenient storage.
The flanges on Style F are the same size, which means you can install these plugs inside of pipes as deep as needed.
For Pipe | Max. Back Pressure | |||||||
|---|---|---|---|---|---|---|---|---|
| Size | ID | Air, psi | Water, ft. of head | O'all Ht. | Temp. Range, °F | Seal Material | Each | |
Style A | ||||||||
Stainless Steel Plate | ||||||||
| 3/4 | 0.72"-0.80" | 10 | 24 | 1 11/16" | 0° to 175° | Neoprene Rubber | 0000000 | 000000 |
Style C | ||||||||
Plastic Plate | ||||||||
| 3/4 | 0.74"-0.90" | 100 | 230 | 2 1/2" | -40° to 180° | Natural Rubber | 0000000 | 00000 |
Style E | ||||||||
Zinc-Plated Steel Plate | ||||||||
| 3/4 | 0.71"-0.80" | 35 | 80 | 4" | -20° to 225° | Neoprene Rubber | 0000000 | 00000 |
Style F | ||||||||
Zinc-Plated Steel Plate | ||||||||
| 3/4 | 0.72"-0.87" | 180 | 415 | 2 1/16" | -20° to 125° | Natural Rubber | 00000000 | 0000 |
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.
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.
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.
Expansion Plugs with Bypass
Use the bypass tube on these plugs to add air, water, and other fluid to your pipeline or to relieve pressure while testing. 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.
Style G and Style J plugs have a Schrader valve, which has an internal spring that holds the valve shut until you depress the pin, providing control over air flow.
For technical drawings and 3-D models, click on a part number.
For Pipe | Max. Back Pressure | Material | Bypass | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | ID | Air, psi | Water, ft. of head | O'all Ht. | Temp. Range, °F | Seal | Bypass Cap | Pipe Size | Thread Type | Thread Size | Gender | For Tube ID | Tube Connection Type | Each | |
Style C | |||||||||||||||
Iron Stem | |||||||||||||||
| 3/4 | 0.72"-0.75" | Not Rated | 46 | 5 1/8" | 30° to 150° | Natural Rubber | Metal | 1/8 | NPT | __ | Male | __ | __ | 0000000 | 000000 |
Style E | |||||||||||||||
Stainless Steel Stem | |||||||||||||||
| 3/4 | 0.72"-0.79" | 10 | 24 | 3 1/2" | -40° to 250° | Neoprene Rubber | __ | __ | __ | __ | __ | 1/4" | Barbed | 0000000 | 000000 |
Style H | |||||||||||||||
Plastic Stem | |||||||||||||||
| 3/4 | 0.74"-0.90" | 100 | 231 | 2 15/16" | -40° to 180° | Natural Rubber | Plastic | 1/8 | BSPP | __ | Male | __ | __ | 0000000 | 00000 |
Style J | |||||||||||||||
Steel Stem | |||||||||||||||
| 3/4 | 0.72"-0.79" | 10 | 23 | 3 7/16" | -40° to 210° | Neoprene Rubber | Plastic | __ | Schrader Valve | 0.305"-32 | __ | __ | __ | 00000000 | 000000 |
Deep-Reach Wing Nut Expansion Plugs
Plate With
Brass Stem
Insert these plugs deep within your pipe to seal it off from the inside. 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 | |||||||
|---|---|---|---|---|---|---|---|---|
| Size | ID | Air, psi | Water, ft. of head | O'all Ht. | Temp. Range, °F | Seal Material | Each | |
Stainless Steel Plate with Brass Stem | ||||||||
| 3/4 | 0.75"-0.86" | 17 | 40 | 11" | 0° to 125° | Neoprene Rubber | 0000000 | 000000 |
Deep-Reach Hex Nut Expansion Plugs with Bypass
Plug your pipe from the inside. Insert these expansion plugs deep into your pipe, and then tighten the nut on the stem. Use the bypass tube to add air, water, and fluid or relieve back pressure. 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 | Bypass | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Size | ID | Air, psi | Water, ft. of head | O'all Ht. | Temp. Range, °F | Seal Material | Pipe Size | Thread Type | Gender | Each | |
Zinc-Plated Steel Stem | |||||||||||
| 3/4 | 0.81"-0.82" | 175 | 403 | 4 3/8" | -20° to 225° | Neoprene Rubber | 1/8 | NPT | Male | 0000000 | 0000000 |
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 | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 3/4" | 0.92"-1.01" | 1" | 3/4 | 0.05"-0.12" | 0.86" | 2 1/8" | 0.65" | Medium Hard | Durometer 60A | -40° to 200° | Yes | Black | 00000000 | 00000 |
| 2" | 1.02"-1.1" | __ | 3/4 | 0.05"-0.12" | 0.97" | 2 7/16" | 0.64" | Medium Hard | Durometer 60A | -40° to 200° | Yes | Black | 00000000 | 0000 |
| 2 1/8" | 1.11"-1.19" | 1 1/8" | 3/4 | 0.05"-0.12" | 1.05" | 2 5/8" | 0.67" | Medium Hard | Durometer 60A | -40° to 200° | Yes | Black | 00000000 | 0000 |
Push-In Pipe and Tubing Grommets
Press these flexible grommets into holes and their tapered inner wall will expand when pipe or tubing is inserted to hold them snugly in place. They're often used for routing applications on metal, plastic, and fiberglass tanks. Made of plastic, these grommets are chemical resistant and won't dry out and become brittle when exposed to UV rays. All have a 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 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 | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 1/4" | 1.05" | 3/4 | 3/8" | 0.847" | 2.02" | 0.74" | Hard | Durometer 75A | -20° to 160° | Yes | Black | 0000000 | 00000 |
Drum Locks
Padlockable locks for closed-head drums replace the plugs on 3/4" and 2" drum openings. Made of brass, they're non-sparking and resist corrosion in wet environments. Slide the bar through the hole in each plug and lock with a padlock (not included).
Keyed locks for closed-head drums fit over standard drum plugs and caps. Use the included keys to secure.
