How to Identify and Measure Fittings
Pipe size is an industry designation, not the actual size. View information about how to measure threaded and unthreaded pipe and pipe fittings.
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About Plastic and Rubber Tubing
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About Metal Tubing
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Hard Plastic Tubing for Air and Water
This general purpose tubing has hard walls, yet is flexible enough for gradual bends. It has excellent strength and durability.
Semi-clear tubing gives you a limited view inside the line.
For technical drawings and 3-D models, click on a part number.
- Semi-Flexible
- Compatible with Compression and Push to Connect Tube Fittings
- Hard (Rockwell R93)
- Temperature Range: 40° to 200° F
Flame-Retardant Hard Plastic Tubing for Air and Water
This tubing is self-extinguishing to delay the spread of flames to valuable equipment. Tubing is opaque, so you cannot see what’s flowing through the line. It is semi-flexible, so it is good for gradual bends.
Nylon tubing can withstand higher pressures than polyethylene tubing. It meets UL 94 V-0 for better flame retardance than polyethylene tubing, and is best suited for spot-welding or other applications where sparks can occur.
For technical drawings and 3-D models, click on a part number.
- Semi-Flexible
- Compatible with Push to Connect Tube Fittings
- Hard (Durometer 50D)
- Temperature Range: 32° to 140° F
- Specifications Met: UL 94 V-0
Static-Control Hard Plastic Tubing for Air
- Semi-Flexible
- Compatible with Barbed, Compression and Push to Connect Tube Fittings
- Hard (Durometer 45D)
- Temperature Range: 35° to 100° F
To protect sensitive equipment, this tubing is made of nylon that’s specially formulated to let currents pass through, preventing static electricity buildup. It’s often used as a safeguard in pressurized air systems. Comparable to UL 94 V-0, the material is flame resistant and delays the spread of flames. It’s opaque, so you cannot see inside.
For technical drawings and 3-D models, click on a part number.
| ID, mm | OD, mm | Wall Thick., mm | Bend Radius, mm | Max. Pressure | Color | Lg., ft. | Each | |
Opaque Antistatic Nylon Plastic | ||||||||
|---|---|---|---|---|---|---|---|---|
| 5 | 8 | 1.5 | 19 | 170 psi @ 72° F | Black | 65 | 00000000 | 0000000 |
Choose-a-Color Firm Plastic and Rubber Tubing for Air and Water
Multiple colors allow you to color-code your line for easy identification. Tubing is flexible, so it bends easily around objects.
Polyurethane rubber tubing can handle higher pressures than PVC plastic tubing and can also be used in vacuum applications. It is ether based, so it performs better in humid environments than ester-based polyurethane.
Opaque tubing doesn’t allow you to see what’s flowing through the line. Clear tubing allows you to easily monitor flow.
For technical drawings and 3-D models, click on a part number.
- Flexible
- Compatible with Barbed Tube Fittings and Push to Connect Tube Fittings
- Firm (Durometer 95A)
- Temperature Range: See table
- Flexible
- Compatible with Barbed Tube Fittings and Push to Connect Tube Fittings
- Firm (Durometer 95A)
- Temperature Range: See table
Self-Retracting Firm Rubber Tubing for Air and Water
- Flexible
- Compatible with Barbed Tube Fittings
- Firm (Durometer 95A)
- Temperature Range: -40° to 120° F
Keep your worksite safe and clutter free—this coiled polyurethane rubber tubing extends when you need it and retracts out of the way when you don’t. The material is ether based, so you’ll get the abrasion and tear resistance you’d expect from polyurethane, along with the ability to use it in humid environments. Tubing is flexible and bends easily around objects. It comes in multiple colors, so you can color-code your lines.
Clear tubing allows you to easily monitor flow. It has a colored tint. Opaque tubing doesn’t allow you to see what’s flowing through the line.
Note: Length refers to the length you can extend the tubing. Overstretching can cause the tubing to lose its ability to fully retract back to its normal state. Retracted length refers to the length of the tubing when coiled.
For technical drawings and 3-D models, click on a part number.
| ID | OD | Wall Thick. | Coil OD | Lg. | Retracted Lg. | Max. Pressure | Max. Vacuum | Each | |
Polyurethane Rubber | |||||||||
|---|---|---|---|---|---|---|---|---|---|
Clear Blue | |||||||||
| 5mm | 8mm | 1.5mm | 48mm | 3 m | 178mm | 160 psi @ 72° F | 28 in. of Hg @ 72° F | 00000000 | 000000 |
| 5mm | 8mm | 1.5mm | 48mm | 5 m | 305mm | 160 psi @ 72° F | 28 in. of Hg @ 72° F | 00000000 | 00000 |
| 5mm | 8mm | 1.5mm | 48mm | 10 m | 622mm | 160 psi @ 72° F | 28 in. of Hg @ 72° F | 00000000 | 00000 |
Opaque Black | |||||||||
| 5mm | 8mm | 1.5mm | 48mm | 1 m | 51mm | 160 psi @ 72° F | 28 in. of Hg @ 72° F | 00000000 | 00000 |
| 5mm | 8mm | 1.5mm | 48mm | 3 m | 178mm | 160 psi @ 72° F | 28 in. of Hg @ 72° F | 00000000 | 00000 |
| 5mm | 8mm | 1.5mm | 48mm | 5 m | 305mm | 160 psi @ 72° F | 28 in. of Hg @ 72° F | 00000000 | 00000 |
Opaque Blue | |||||||||
| 5mm | 8mm | 1.5mm | 48mm | 1 m | 51mm | 160 psi @ 72° F | 28 in. of Hg @ 72° F | 00000000 | 00000 |
| 5mm | 8mm | 1.5mm | 48mm | 3 m | 178mm | 160 psi @ 72° F | 28 in. of Hg @ 72° F | 00000000 | 00000 |
| 5mm | 8mm | 1.5mm | 48mm | 5 m | 305mm | 160 psi @ 72° F | 28 in. of Hg @ 72° F | 00000000 | 00000 |
| 5mm | 8mm | 1.5mm | 48mm | 10 m | 622mm | 160 psi @ 72° F | 28 in. of Hg @ 72° F | 00000000 | 00000 |
Opaque Fluorescent Green | |||||||||
| 5mm | 8mm | 1.5mm | 48mm | 3 m | 178mm | 160 psi @ 72° F | 28 in. of Hg @ 72° F | 00000000 | 00000 |
| 5mm | 8mm | 1.5mm | 48mm | 5 m | 305mm | 160 psi @ 72° F | 28 in. of Hg @ 72° F | 00000000 | 00000 |
| 5mm | 8mm | 1.5mm | 48mm | 10 m | 622mm | 160 psi @ 72° F | 28 in. of Hg @ 72° F | 00000000 | 00000 |
Opaque Red | |||||||||
| 5mm | 8mm | 1.5mm | 48mm | 1 m | 51mm | 160 psi @ 72° F | 28 in. of Hg @ 72° F | 00000000 | 00000 |
| 5mm | 8mm | 1.5mm | 48mm | 3 m | 178mm | 160 psi @ 72° F | 28 in. of Hg @ 72° F | 00000000 | 00000 |
| 5mm | 8mm | 1.5mm | 48mm | 10 m | 622mm | 160 psi @ 72° F | 28 in. of Hg @ 72° F | 00000000 | 00000 |
Joined Firm Rubber Tubing for Air and Water
- Flexible
- Compatible with Barbed Tube Fittings
- Firm (See table for hardness rating)
- Temperature Range: -40° to 160° F
Run multiple tubing lines together without the hassle of cable ties or tape. This tubing comes joined for a clean, organized look. It's flexible enough to easily bend around objects without kinking. No matter how you twist, bend, or stretch this tubing, it returns to its original shape. Made of ether-based polyurethane, it has excellent resistance to tearing and abrasion and stays strong and durable, even in humid environments.
Multicolor tubing can be peeled apart for applications that require fewer tubes.
Clear tubing allows you to monitor flow through the line. Opaque tubing does not let you see inside the line.
For technical drawings and 3-D models, click on a part number.
| No. of Joined Tubes | ID | OD | Wall Thick. | Hardness | Max. Pressure | Max. Vacuum | Lengths, ft. | Per Ft. | |
One each of Opaque Green and Opaque Yellow | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 2 | 5mm | 8mm | 1.5mm | Durometer 95A | 190 psi @ 72° F | 28 in. of Hg @ 72° F | 00000000 | 00000 | |
One each of Opaque Green, Opaque Yellow, Opaque White, and Clear | |||||||||
| 4 | 5mm | 8mm | 1.5mm | Durometer 95A | 190 psi @ 72° F | 28 in. of Hg @ 72° F | 00000000 | 0000 | |
Weld-Spatter-Resistant Firm Rubber Tubing for Air and Water
- Semi-Flexible
- Compatible with Push to Connect Tube Fittings
- Hardness:
Inch: Firm (Durometer 95A)
Metric: Firm (Durometer 90A) - Temperature Range:
Inch: -40° to 165° F
Metric: 0° to 140° F
Designed for use in welding applications, this tubing is specially formulated to self-extinguish. It’s made of ether-based polyurethane, so it has excellent resistance to abrasion and tearing and stays strong and durable in humid environments. Tubing is opaque, so you cannot see what is flowing through the line. It is semi-flexible, which is good for gradual bends.
To attach fittings, use a cutting tool (sold separately) to strip away the outer layers of tubing. The tube OD dimension refers to the inner layer of tubing. Attach a protective cover (sold separately) to prevent weld spatter from getting between the tubing and fitting.
Metric tubing has three layers of material. It meets UL 94 V-2 for flame retardance.
For technical drawings and 3-D models, click on a part number.
Soft Plastic Tubing for Air and Water
This general purpose PVC tubing is the industry standard for air and water applications. Tubing is clear, so you can easily monitor flow. It is flexible to easily bend around objects.
Masterkleer tubing is more economical than Tygon tubing. Tygon tubing has a nonabsorbing surface for improved flow and drainage.
- Flexible
- Compatible with Barbed Tube Fittings
- Soft (Durometer 65A)
- Temperature Range: -30° to 160° F
Static-Control Soft Plastic and Rubber Tubing for Air and Water
Protect sensitive equipment with this tubing—it is specially formulated to reduce the buildup of static electricity.
Silicone rubber tubing has carbon embedded into the walls to divert static quickly. It can handle a wider temperature range than PVC tubing, and is more flexible, so it bends easily around objects. It is opaque, so you can’t see what’s flowing through the line.
For technical drawings and 3-D models, click on a part number.
Super-Soft Rubber Tubing for Air and Water
- Flexible
- Compatible with Barbed Tube Fittings
- Soft (Durometer 40A)
- Temperature Range: 0° to 150° F
Stretch it, bend it, compress it—this tubing will spring back to its original shape. Made of latex rubber, it has a super-soft texture, yet offers excellent abrasion resistance. Tubing is opaque, so you cannot see what’s running through the line.
For technical drawings and 3-D models, click on a part number.
Continuous-Flex Soft Plastic Tubing for Air and Water
This PVC tubing can handle continuous bending and flexing in applications requiring movement, such as metering (peristaltic) pumps and robotics. Tubing is clear, so you can easily monitor flow through the line. It’s commonly referred to as Tygon tubing.
For technical drawings and 3-D models, click on a part number.
- Comparable to Tygon R-3603
- Flexible
- Compatible with Barbed Tube Fittings
- Soft (Durometer 55A)
- Temperature Range: -50° to 160° F
Flame-Retardant Soft Rubber Tubing for Air and Water
- Flexible
- Compatible with Barbed Tube Fittings
- Soft (Durometer 60A)
- Temperature Range: -70° to 450° F
This self-extinguishing, silicone rubber tubing meets UL 94 V-0 and UL 94 V-1 for flame retardance, so it delays the spread of flames to valuable equipment. It is opaque, so you cannot see what’s flowing through the line. Tubing is flexible to easily bend around objects.
For technical drawings and 3-D models, click on a part number.
Smooth-Bore Seamless Stainless Steel Tubing
Seamless construction with no weld bead gives this tubing an interior with unrestricted flow. It is stronger than welded tubing and can be flared without splitting.
304 stainless steel has very good corrosion resistance.
316 stainless steel offers excellent corrosion resistance.
Tubing that meets ASTM specifications adheres to international standards for dimensions and materials.
For technical drawings and 3-D models, click on a part number.
- Temperature Range: -325° to 1500° F
- Bending Method: Tube Bender
- For Use With: Hydraulic Fluid, Oil, Water, Natural Gas, Air
- Compatible Tubing Fittings: see table
Welded Stainless Steel Tubing
When your application does not require a smooth interior, this tubing is an economical choice. It has a weld bead on the inside.
304 stainless steel has very good corrosion resistance.
316 stainless steel offers excellent corrosion resistance.
For technical drawings and 3-D models, click on a part number.
- Temperature Range: -420° to 600° F
- Bending Method: Tube Bender
Brass Tubing
Frequently used in a wide range of plumbing applications, this tubing holds up well in mildly corrosive environments. Tubing is seamless, so it has a smooth interior for unrestricted flow.
For technical drawings and 3-D models, click on a part number.