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 Metal Tubing
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About Duct Hose
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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.
Bronze fittings have better corrosion resistance and are stronger than brass and aluminum fittings. A pipe thread sealant is recommended to seal bronze fittings with BSPP male threads, which is unlike other materials that can often use a gasket.
Fittings with a threaded end are also known as hose nipples.

- 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 | Max. Pressure | Max. Vacuum | Temperature Range, °F | Attachment Type | Pkg. Qty. | Pkg. | |
Bronze | ||||||||
---|---|---|---|---|---|---|---|---|
50mm | 2 | 100 psi @ 72° F | Not Rated | -32° to 212° | Worm-Drive Clamp | 1 | 00000000 | 000000 |

- Maximum Pressure: 100 psi @ 72° F
- Temperature Range: -32° to 212° F
- Attachment Type: Use Worm-Drive Clamps
- Specifications Met: ASTM B584
For Hose ID | Pipe Size | Pkg. Qty. | Pkg. | |
Bronze | ||||
---|---|---|---|---|
50mm | 2 | 1 | 00000000 | 000000 |
High-Polish Stainless Steel Tubing for Food, Beverage, and Dairy

The interior and exterior are polished to a high-luster finish to resist particle buildup and allow for easy cleaning. Tubing is welded with a smoothed weld bead on the inside.
304/304L stainless steel tubing has very good corrosion resistance. Tubing that meets DIN 11850 and DIN EN 10357 complies with international standards for food industry stainless steel tubing.
Note: Ra measures the smoothness of the tubing; the lower the Ra value, the smoother and more polished the surface.
- Temperature Rating: Not Rated
- Compatible Tube Fittings: Butt Weld and High-Polish Quick Clamp
Blo-R-Vac Flexible Duct Hose for Dust


- Flexible
- Compatible Clamps: Worm-Drive Clamps
- Color: Black, White, or Blue
- Temperature Range: -40° to 250° F
A good general purpose hose for blowing and vacuum applications, this hose is for use with grinding dust, sawdust, and lint.
TPR rubber hose meets UL 94 HB for flame retardance.
Warning: Hose should not be used for applications that generate a static charge.
Spiral | Per Ft. | |||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID | OD | Bend Radius | Compresses To | Max. Vacuum | Max. Pressure | Material Thick. | Interior Surface Texture | Direction | Material | Specifications Met | Max. Continuous Lg., ft. | 1-24 | 25-Up | |
Metric | ||||||||||||||
Black TPR Rubber | ||||||||||||||
50mm | 56mm | 3 1/2" | 50% | 29 in. of Hg @ 72° F | 17 psi @ 72° F | 0.03" | Ribbed | Left Hand | Metal | UL 94 HB | 25 | 00000000 | 00000 | 00000 |
White TPR Rubber | ||||||||||||||
50mm | 56mm | 3 1/2" | 50% | 29 in. of Hg @ 72° F | 17 psi @ 72° F | 0.03" | Ribbed | Left Hand | Metal | UL 94 HB | 25 | 00000000 | 0000 | 0000 |
Crush-Resistant Duct Hose for Wood Chips and Plastic Pellets

- Very Flexible
- Compatible Clamps: Worm-Drive Clamps
- Color: Clear; Wear Strip is Blue
- Temperature Range: -40° to 195° F
Don’t worry about crushing this hose if you step on it—it has a flexible plastic spiral that springs back to its original shape. Hose is clear so you can monitor flow. It is also for use with cardboard fibers.
Warning: Hose should not be used for applications that generate a static charge.
Spiral | Per Ft. | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
ID | OD | Bend Radius | Max. Vacuum | Max. Pressure | Material Thick. | Interior Surface Texture | Direction | Material | Max. Continuous Lg., ft. | 1-24 | 25-Up | |
Polyurethane | ||||||||||||
50mm | 62mm | 2 1/2" | 5 in. of Hg @ 72° F | 12 psi @ 72° F | 0.028" | Ribbed | Right Hand | Plastic | 25 | 0000000 | 000000 | 000000 |