Type Type |
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For Use With For Use With |
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Maximum Pressure Maximum Pressure |
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Maximum Vacuum Maximum Vacuum |
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Reinforcement Material Reinforcement Material |
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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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Chemical-Resistant Expansion Joints with Flanged Ends
- For Use With: Coolant, Hydrochloric Acid, Water
- Temperature Range: -0° to 400° F
- Maximum Pressure: 130 psi @ 72° F
- Maximum Vacuum: 29 in. of Hg @ 72° F
The PTFE body on these expansion joints has a super-smooth surface that stands up to corrosive chemicals. Joints have a triple-bulb design that provides excellent vibration absorption, reducing stress on your piping system. The flanges mate with a same-size flat-surface Class 150 flange without the need for a gasket. Limit rods are attached to the flanges to prevent overextension.
For technical drawings and 3-D models, click on a part number.
Distance | Threaded Bolt Holes | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Flange OD | Pipe Size | Lg. | No. of Bolt Holes | Compression | Expansion | Offset | Expansion Joint Type | Flange Material | Bolt Hole Thread Size | Each | |
PTFE Plastic with Corrosion-Resistant Coating | |||||||||||
| 5" | 1 1/2 | 2" | 4 | 1/2" | 1/2" | 1/4" | Triple Bulb | Iron | 1/2"-13 | 0000000 | 0000000 |
| 6" | 2 | 2 3/4" | 4 | 3/4" | 3/4" | 3/8" | Triple Bulb | Iron | 5/8"-11 | 0000000 | 000000 |
| 7" | 2 1/2 | 3 3/16" | 4 | 3/4" | 3/4" | 3/8" | Triple Bulb | Iron | 5/8"-11 | 0000000 | 000000 |
| 7 1/2" | 3 | 3 5/8" | 4 | 1" | 1" | 1/2" | Triple Bulb | Iron | 5/8"-11 | 0000000 | 000000 |
| 9" | 4 | 3 5/8" | 8 | 1" | 1" | 1/2" | Triple Bulb | Iron | 5/8"-11 | 0000000 | 000000 |
| 11" | 6 | 4" | 8 | 1 1/8" | 1 1/8" | 9/16" | Triple Bulb | Iron | 3/4"-10 | 0000000 | 000000 |
Clamp-On Expansion Joints
- For Use With: Calcium Chloride, Oil, Petroleum, Sewage, Sludge, Sodium Carbonate (20% in Water), Water
- Temperature Range:
Neoprene Rubber: -20° to 220° F
Silicone Rubber: -75° to 500° F - Maximum Pressure: 150 psi @ 72° F
- Maximum Vacuum: 20 in. of Hg @ 72° F
Slip these joints over your pipe ends and tighten the band clamps for a secure hold. Joints have a triple-bulb design that provides excellent vibration absorption to reduce stress on your piping system. They also have reinforcing rings for extra support during pressure surges and in vacuum applications.
Neoprene rubber joints are more abrasion resistant than silicone rubber joints.
For technical drawings and 3-D models, click on a part number.
Distance | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| For Pipe OD | Pipe Size | Lg. | Compression | Expansion | Offset | Expansion Joint Type | Reinforcement Material | Band Clamp Material | Each | |
Neoprene Rubber | ||||||||||
| 2 3/8" | 2 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Nylon Plastic | 300 Series Stainless Steel | 0000000 | 0000000 |
| 2 7/8" | 2 1/2 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Nylon Plastic | 300 Series Stainless Steel | 0000000 | 000000 |
| 3 1/2" | 3 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Nylon Plastic | 300 Series Stainless Steel | 0000000 | 000000 |
| 4 1/2" | 4 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Nylon Plastic | 300 Series Stainless Steel | 0000000 | 000000 |
| 5 9/16" | 5 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Nylon Plastic | 300 Series Stainless Steel | 0000000 | 000000 |
| 6 5/8" | 6 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Nylon Plastic | 300 Series Stainless Steel | 0000000 | 000000 |
| 8 5/8" | 8 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Nylon Plastic | 300 Series Stainless Steel | 0000000 | 000000 |
| 10 3/4" | 10 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Nylon Plastic | 300 Series Stainless Steel | 0000000 | 000000 |
| 12 3/4" | 12 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Nylon Plastic | 300 Series Stainless Steel | 0000000 | 000000 |
Silicone Rubber | ||||||||||
| 2 3/8" | 2 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Fiberglass | 300 Series Stainless Steel | 00000000 | 000000 |
| 2 7/8" | 2 1/2 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Fiberglass | 300 Series Stainless Steel | 00000000 | 000000 |
| 3 1/2" | 3 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Fiberglass | 300 Series Stainless Steel | 00000000 | 000000 |
| 4 1/2" | 4 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Fiberglass | 300 Series Stainless Steel | 00000000 | 000000 |
| 5 9/16" | 5 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Fiberglass | 300 Series Stainless Steel | 00000000 | 000000 |
| 6 5/8" | 6 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Fiberglass | 300 Series Stainless Steel | 00000000 | 000000 |
| 8 5/8" | 8 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Fiberglass | 300 Series Stainless Steel | 00000000 | 000000 |
| 10 3/4" | 10 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Fiberglass | 300 Series Stainless Steel | 00000000 | 000000 |
| 12 3/4" | 12 | 7" | 1" | 1/2" | 1 1/8" | Triple Bulb | Fiberglass | 300 Series Stainless Steel | 00000000 | 000000 |