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Selecting and Measuring Expansion Joints
For information about selecting pipe size, see Selecting and Measuring Pipe & Fittings.
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Expansion Joints with Threaded Ends
- For Use With: Air, Grease, Oil, Water
- Temperature Range: 0° to 240° F
- Maximum Pressure: 150 psi @ 72° F
- Maximum Vacuum: 16 in. of Hg @ 72° F
Connect male threaded pipe to these expansion joints to add a point of flexibility in your line that reduces stress, vibration, and noise. These joints have a double-bulb design that absorbs more movement and vibration than other expansion joints. Made of neoprene rubber, they’re more abrasion resistant than silicone rubber joints. Their flexible body is reinforced with nylon for added strength.
Distance | NPT Female Threads | |||||||
|---|---|---|---|---|---|---|---|---|
Pipe Size | Lg. | Compression | Expansion | Offset | Expansion Joint Type | Fitting Material | Each | |
Neoprene Rubber | ||||||||
| 3/4 | 8" | 7/8" | 1/4" | 7/8" | Double Bulb | Iron | 0000000 | 000000 |
| 1 | 8" | 7/8" | 1/4" | 7/8" | Double Bulb | Iron | 0000000 | 00000 |
| 1 1/4 | 8" | 7/8" | 1/4" | 7/8" | Double Bulb | Iron | 0000000 | 00000 |
| 1 1/2 | 8" | 7/8" | 1/4" | 7/8" | Double Bulb | Iron | 0000000 | 000000 |
| 2 | 8" | 7/8" | 1/4" | 7/8" | Double Bulb | Iron | 0000000 | 000000 |