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About Hose
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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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Air Hose
Attach barbed fittings to this hose for use in low-pressure air applications. Hose has a smooth interior for unrestricted flow. It is reinforced with yarn for good strength. It won’t degrade when exposed to ozone or UV light.
Buna-N rubber hose has good abrasion and tear resistance.
Metal Barbed Hose Fittings for Air and Water
Slide the barbed end into rubber hose and secure with the appropriate clamp or crimp-on hose ferrule.
Brass fittings are softer than other metal fittings, so they’re easier to thread together. Plain brass fittings have good corrosion resistance. Nickel-plated brass fittings resist corrosion better than plain brass fittings.
Aluminum fittings are lighter in weight than other metal fittings. They have good corrosion resistance.
Stainless steel fittings have very good corrosion resistance. 303 stainless steel fittings won’t rust when exposed to water, making them good for areas that require frequent cleanings. Fittings with a threaded end are also known as hose nipples.
Metric, UN/UNF (SAE Straight), and BSPP male threads with gasket protect against leaks.
Straight Adapters, Hose × NPT/NPTF Male Threaded Pipe
- Maximum Pressure: See table
- Maximum Vacuum: See table
- Temperature Range: See table
- Attachment Type: See table
- Specifications Met: See table
| For Hose ID | Pipe Size  | Max. Pressure | Max. Vacuum | Temperature Range, °F | Attachment Type | Specifications Met | Pkg. Qty. | Pkg. | |
Brass | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 19mm | 1/2 | 125 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | __ | 1 | 00000000 | 000000 |
| 19mm | 3/4 | 250 psi @ 72° F | 27 in. of Hg @ 72° F | -40° to 160° | Worm-Drive Clamp | SAE J476 | 1 | 0000000 | 00000 |
| 19mm | 1 | 125 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | __ | 1 | 00000000 | 00000 |
| 19mm | 1 1/2 | 125 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | __ | 1 | 00000000 | 00000 |
Aluminum | |||||||||
| 19mm | 1/2 | 125 psi @ 72° F | 27 in. of Hg @ 72° F | -20° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | __ | 1 | 00000000 | 00000 |
| 19mm | 1 | 125 psi @ 72° F | 27 in. of Hg @ 72° F | -20° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | __ | 1 | 00000000 | 00000 |
| 19mm | 1 1/2 | 125 psi @ 72° F | 27 in. of Hg @ 72° F | -20° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | __ | 1 | 00000000 | 00000 |
303 Stainless Steel | |||||||||
| 19mm | 1/4 | 250 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Crimp-On Hose Ferrule | __ | 1 | 00000000 | 00000 |
| 19mm | 1/2 | 250 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Crimp-On Hose Ferrule | __ | 1 | 00000000 | 00000 |
| 19mm | 3/4 | 250 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Crimp-On Hose Ferrule | __ | 1 | 00000000 | 00000 |
| 19mm | 1 | 250 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Crimp-On Hose Ferrule | __ | 1 | 00000000 | 00000 |
| 19mm | 1 1/2 | 250 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Crimp-On Hose Ferrule | __ | 1 | 00000000 | 00000 |
Straight Adapters, Hose × BSPP Male Threaded Pipe
NPT/NPTF, Metric, BSPP, and
UN/UNF (SAE Straight)
Male Threads with Gasket
UN/UNF (SAE Straight)
Male Threads with Gasket
- Maximum Pressure: See table
- Maximum Vacuum: See table
- Temperature Range: See table
- Attachment Type: See table
- Specifications Met: Bronze Fittings: ASTM B584
| For Hose ID | Pipe Size | Gasket Material | Max. Pressure | Max. Vacuum | Temperature Range, °F | Attachment Type | Pkg. Qty. | Pkg. | |
Brass | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 19mm | 1/4 | Buna-N Rubber | 300 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 000000 |
| 19mm | 1/2 | Buna-N Rubber | 300 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 00000 |
| 19mm | 3/4 | Buna-N Rubber | 300 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 00000 |
| 19mm | 1 | Buna-N Rubber | 300 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 00000 |
Nickel-Plated Brass | |||||||||
| 19mm | 1/2 | Buna-N Rubber | 250 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 00000 |
Aluminum | |||||||||
| 19mm | 3/4 | Buna-N Rubber | 125 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 00000 |
303 Stainless Steel | |||||||||
| 19mm | 3/4 | Buna-N Rubber | 125 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 00000 |
| 19mm | 1 | Buna-N Rubber | 125 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 00000 |
Straight Adapters, Hose × BSPT Male Threaded Pipe
- Maximum Pressure: See table
- Maximum Vacuum: See table
- Temperature Range: See table
- Attachment Type: See table
- Specifications Met: See table
| For Hose ID | Pipe Size | Max. Pressure | Max. Vacuum | Temperature Range, °F | Attachment Type | Specifications Met | Pkg. Qty. | Pkg. | |
Brass | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 19mm | 3/4 | 250 psi @ 72° F | 27 in. of Hg @ 72° F | -40° to 160° | Worm-Drive Clamp, Crimp-On Hose Ferrule | SAE J476 | 1 | 0000000 | 000000 |
| 19mm | 1 | 125 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | __ | 1 | 00000000 | 00000 |
303 Stainless Steel | |||||||||
| 19mm | 1/2 | 250 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Crimp-On Hose Ferrule | __ | 1 | 00000000 | 00000 |
| 19mm | 1 | 250 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Crimp-On Hose Ferrule | __ | 1 | 00000000 | 00000 |
Straight Adapters, Hose × Metric Male Threaded Pipe
NPT/NPTF, Metric, BSPP, and
UN/UNF (SAE Straight)
Male Threads with Gasket
UN/UNF (SAE Straight)
Male Threads with Gasket
- Maximum Pressure: See table
- Maximum Vacuum: 27 in. of Hg @ 72° F
- Temperature Range: See table
- Attachment Type: See table
- Specifications Met: See table
| For Hose ID | Thread Size | Gasket Material | Max. Pressure | Temperature Range, °F | Attachment Type | Specifications Met | Pkg. Qty. | Pkg. | |
Brass | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 19mm | M12 × 1.5 mm | __ | 250 psi @ 72° F | -40° to 160° | Worm-Drive Clamp, Crimp-On Hose Ferrule | SAE J476 | 1 | 0000000 | 000000 |
| 19mm | M20 × 1.5 mm | Buna-N Rubber | 250 psi @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | __ | 1 | 00000000 | 00000 |
| 19mm | M22 × 1.5 mm | Buna-N Rubber | 250 psi @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | __ | 1 | 00000000 | 00000 |
Aluminum | |||||||||
| 19mm | M20 × 1.5 mm | Buna-N Rubber | 125 psi @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | __ | 1 | 00000000 | 00000 |
303 Stainless Steel | |||||||||
| 19mm | M18 × 1.5 mm | Buna-N Rubber | 125 psi @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | __ | 1 | 00000000 | 00000 |
Straight Adapters, Hose × NPT/NPTF Female Threaded Pipe
- Maximum Pressure: See table
- Maximum Vacuum: See table
- Temperature Range: See table
- Attachment Type: See table
- Specifications Met: See table
| For Hose ID | Pipe Size | Max. Pressure | Max. Vacuum | Temperature Range, °F | Attachment Type | Pkg. Qty. | Pkg. | |
Brass | ||||||||
|---|---|---|---|---|---|---|---|---|
| 19mm | 1/2 | 300 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 000000 |
| 19mm | 3/4 | 300 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 00000 |
| 19mm | 1 | 300 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 00000 |
| 19mm | 1 1/2 | 300 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 00000 |
Aluminum | ||||||||
| 19mm | 1 | 125 psi @ 72° F | 27 in. of Hg @ 72° F | -20° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 00000 |
303 Stainless Steel | ||||||||
| 19mm | 1/4 | 125 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 00000 |
| 19mm | 1/2 | 125 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 00000 |
| 19mm | 3/4 | 125 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 00000 |
| 19mm | 1 | 125 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 00000 |
| 19mm | 1 1/2 | 125 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 00000 |
Straight Adapters, Hose × BSPP Female Threaded Pipe
- Maximum Pressure: See table
- Maximum Vacuum: 27 in. of Hg @ 72° F
- Temperature Range: See table
- Attachment Type: See table
- Specifications Met: See table
| For Hose ID | Pipe Size | Max. Pressure | Temperature Range, °F | Attachment Type | Pkg. Qty. | Pkg. | |
Brass | |||||||
|---|---|---|---|---|---|---|---|
| 19mm | 3/4 | 300 psi @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 000000 |
| 19mm | 1 | 300 psi @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 00000 |
Straight Reducers, Hose
- Maximum Pressure: See table
- Maximum Vacuum: See table
- Temperature Range: See table
- Attachment Type: See table
- Specifications Met: See table
For Hose ID | ||||||||
|---|---|---|---|---|---|---|---|---|
| (A) | (B) | Max. Pressure | Max. Vacuum | Temperature Range, °F | Attachment Type | Pkg. Qty. | Pkg. | |
Brass | ||||||||
| 19mm | 9mm | 300 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 000000 |
| 19mm | 16mm | 300 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 00000 |
| 19mm | 18mm | 300 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 00000 |
Aluminum | ||||||||
| 19mm | 8mm | 125 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 00000 |
| 19mm | 12mm | 125 psi @ 72° F | 27 in. of Hg @ 72° F | -30° to 200° | Worm-Drive Clamp, Band-and-Buckle Clamp, Crimp-On Hose Ferrule | 1 | 00000000 | 00000 |
Plastic Barbed Tube Fittings for Air and Water
Fittings have barbs that grip onto tubing.
Nylon fittings have excellent impact and abrasion resistance.
Acetal fittings won’t absorb water and lose strength, even in high-humidity environments.
Straight Adapters, Tube × Male Threaded Pipe
- Temperature Range: See table
- Tubing: Semi-Clear: Use with firm or soft (Durometer 45A-80A) polyurethane rubber or PVC plastic
Opaque: Use with firm or soft (Durometer 40A-80A) polyurethane rubber or PVC plastic
| For Tube ID | Pipe Size | Material | Color | Clarity | Max. Pressure | Temp. Range, °F | Pkg. Qty. | Pkg. | |
BSPT Threads | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 19mm | 3/4 | Nylon Plastic | Gray | Opaque | 145 psi @ 72° F | -40° to 190° | 10 | 00000000 | 000000 |
Straight Connectors, Tube
- Temperature Range: Nylon: 32° to 140° F
Acetal: -40° to 175° F - Tubing: Nylon: Use with firm or soft (Durometer 45A-80A) polyurethane rubber or PVC plastic
Acetal: Use with firm or soft (Durometer 40A-80A) polyurethane rubber or PVC plastic
| For Tube ID | Material | Color | Clarity | Max. Pressure | Pkg. Qty. | Pkg. | |
| 19mm | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 10 | 00000000 | 000000 |
Tee Connectors, Tube
- Temperature Range: Nylon: 32° to 140° F
Acetal: -40° to 175° F - Tubing: Nylon: Use with firm or soft (Durometer 45A-80A) polyurethane rubber or PVC plastic
Acetal: Use with firm or soft (Durometer 40A-80A) polyurethane rubber or PVC plastic
| For Tube ID | Material | Color | Clarity | Max. Pressure | Pkg. Qty. | Pkg. | |
| 19mm | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 10 | 00000000 | 000000 |
Wye Connectors, Tube
- Temperature Range: Nylon: 32° to 140° F
Acetal: -40° to 175° F - Tubing: Nylon: Use with firm or soft (Durometer 45A-80A) polyurethane rubber or PVC plastic
Acetal: Use with firm or soft (Durometer 40A-80A) polyurethane rubber or PVC plastic
| For Tube ID | Material | Color | Clarity | Max. Pressure | Pkg. Qty. | Pkg. | |
| 19mm | Acetal Plastic | White | Semi-Clear | 145 psi @ 72° F | 10 | 00000000 | 000000 |