Shape Shape |
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![]() | Straight |
System of Measurement System of Measurement |
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Material Material | Show |
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Material Material | Hide |
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Connection Style Connection Style |
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Flanged |
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Butt Weld |
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Claw Clamp |
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Quick Clamp |
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Threaded |
Type Type |
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Connector | Expansion Joint |
For Use With For Use With |
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Maximum Temperature Maximum Temperature |
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Minimum Temperature Minimum Temperature |
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Maximum Vacuum Maximum Vacuum |
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Maximum Pressure Maximum Pressure |
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Flange Material Flange Material |
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Gasket Required Gasket Required |
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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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For information about selecting pipe size, see Selecting and Measuring Pipe & Fittings.
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These all-metal expansion joints can handle higher temperatures than rubber expansion joints. They reduce stress, vibration, and noise in piping systems by providing a point of flexibility to absorb movement. Joints are made of 304 stainless steel for very good corrosion resistance. The flanged ends rotate for easy bolt hole alignment during installation. Flanges mate with a same-size flat-surface Class 150 flange with a gasket (sold separately).
Liners (sold separately) slide into the expansion joint to provide a smooth interior for unrestricted flow.
For technical drawings and 3-D models, click on a part number.
Expansion Joints | |||||||||||||
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Distance | Liners | ||||||||||||
Flange OD | Pipe Size | Lg. | No. of Bolt Holes | Compression | Expansion | Offset | Expansion Joint Type | Flange Material | Bolt Hole Size | Each | Each | ||
304 Stainless Steel | |||||||||||||
6" | 2 | 6" | 4 | 15/16" | 5/16" | 3/8" | Bellow | Steel | 3/4" | 0000000 | 0000000 | 0000000 | 0000000 |
7" | 2 1/2 | 6" | 4 | 15/16" | 5/16" | 5/16" | Bellow | Steel | 3/4" | 0000000 | 000000 | 0000000 | 000000 |
7 1/2" | 3 | 6" | 4 | 15/16" | 5/16" | 1/4" | Bellow | Steel | 3/4" | 0000000 | 000000 | 0000000 | 000000 |
9" | 4 | 6" | 8 | 15/16" | 5/16" | 3/16" | Bellow | Steel | 3/4" | 0000000 | 000000 | 0000000 | 000000 |
10" | 5 | 6" | 8 | 15/16" | 5/16" | 3/16" | Bellow | Steel | 7/8" | 0000000 | 000000 | 0000000 | 000000 |
11" | 6 | 6" | 8 | 15/16" | 5/16" | 1/8" | Bellow | Steel | 7/8" | 0000000 | 000000 | 0000000 | 000000 |
13 1/2" | 8 | 6" | 8 | 1" | 3/8" | 1/8" | Bellow | Steel | 7/8" | 0000000 | 000000 | 0000000 | 000000 |
16" | 10 | 8" | 12 | 1 1/4" | 3/8" | 1/8" | Bellow | Steel | 1" | 0000000 | 000000 | 0000000 | 000000 |
19" | 12 | 8" | 12 | 1 1/4" | 3/8" | 1/8" | Bellow | Steel | 1" | 0000000 | 000000 | 0000000 | 000000 |
These joints weld to unthreaded pipe or another butt-weld fitting for a leak-resistant, permanent connection. They reduce stress, vibration, and noise in metal piping systems by providing a point of flexibility to absorb movement.
For technical drawings and 3-D models, click on a part number.
Distance | |||||||||
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For Pipe OD | Pipe Size | Lg. | Compression | Expansion | Offset | Expansion Joint Type | Butt Weld End Material | Each | |
321 Stainless Steel | |||||||||
3 1/2" | 3 | 5" | 3/8" | 3/16" | 1/16" | Bellow | Steel | 0000000 | 0000000 |
4 1/2" | 4 | 6" | 5/8" | 1/4" | 1/16" | Bellow | Steel | 0000000 | 000000 |
5 9/16" | 5 | 7 1/2" | 5/8" | 1/4" | 1/16" | Bellow | Steel | 0000000 | 000000 |
6 5/8" | 6 | 9" | 13/16" | 3/8" | 1/16" | Bellow | Steel | 0000000 | 000000 |
8 5/8" | 8 | 8 1/2" | 13/16" | 3/8" | 1/16" | Bellow | Steel | 0000000 | 000000 |
10 3/4" | 10 | 9 1/2" | 13/16" | 7/16" | 1/16" | Bellow | Steel | 0000000 | 000000 |
For Tube OD | Flange OD | Trade Number | ID | OD | Wall Thickness | Bend Radius | High Vacuum Connection Type | Max. Vacuum | Each | |
6" Lg. | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
2 1/2" | 3.74" | 63 | 2 1/2" | 3 5/16" | 0.008" | 2 3/4" | ISO-K | 1 × 10 -9 torr @ 72° F | 0000000 | 0000000 |
3" | 4.33" | 80 | 3" | 3 15/16" | 0.008" | 3" | ISO-K | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
4" | 5.12" | 100 | 4" | 4 15/16" | 0.008" | 3 1/2" | ISO-K | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
6" | 7.09" | 160 | 6" | 6 7/8" | 0.01" | 5 1/4" | ISO-K | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
12" Lg. | ||||||||||
2 1/2" | 3.74" | 63 | 2 1/2" | 3 3/16" | 0.008" | 3" | ISO-K | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
3" | 4.33" | 80 | 3" | 3 7/8" | 0.008" | 6" | ISO-K | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
4" | 5.12" | 100 | 4" | 4 13/16" | 0.008" | 8" | ISO-K | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
6" | 7.09" | 160 | 6" | 6 15/16" | 0.01" | 15" | ISO-K | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
24" Lg. | ||||||||||
2 1/2" | 3.74" | 63 | 2 1/2" | 3 3/16" | 0.008" | 3" | ISO-K | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
3" | 4.33" | 80 | 3" | 3 7/8" | 0.008" | 6" | ISO-K | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
4" | 5.12" | 100 | 4" | 4 13/16" | 0.008" | 8" | ISO-K | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
6" | 7.09" | 160 | 6" | 6 15/16" | 0.01" | 15" | ISO-K | 1 × 10 -9 torr @ 72° F | 0000000 | 00000000 |
36" Lg. | ||||||||||
2 1/2" | 3.74" | 63 | 2 1/2" | 3 3/16" | 0.008" | 3" | ISO-K | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
3" | 4.33" | 80 | 3" | 3 7/8" | 0.008" | 6" | ISO-K | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
4" | 5.12" | 100 | 4" | 4 13/16" | 0.008" | 8" | ISO-K | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
6" | 7.09" | 160 | 6" | 6 15/16" | 0.01" | 15" | ISO-K | 1 × 10 -9 torr @ 72° F | 0000000 | 00000000 |
39" Lg. | ||||||||||
2 1/2" | 3.74" | 63 | 2 1/2" | 3 3/16" | 0.008" | 3" | ISO-K | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
3" | 4.33" | 80 | 3" | 3 7/8" | 0.008" | 6" | ISO-K | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
4" | 5.12" | 100 | 4" | 4 13/16" | 0.008" | 8" | ISO-K | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
6" | 7.09" | 160 | 6" | 6 15/16" | 0.01" | 15" | ISO-K | 1 × 10 -9 torr @ 72° F | 0000000 | 00000000 |
For Tube OD | For Flange OD | Trade Number | High Vacuum Connection Type | Material | Max. Vacuum | Each | |
Double Claw | |||||||
---|---|---|---|---|---|---|---|
2 1/2", 3", 4" | 3.74", 4.33", 5.12" | 63, 80, 100 | ISO-K | Aluminum | 1 × 10 -9 torr @ 72° F | 0000000 | 00000 |
6" | 7.09" | 160 | ISO-K | Aluminum | 1 × 10 -9 torr @ 72° F | 0000000 | 0000 |
Single Claw | |||||||
2 1/2", 3", 4" | 3.74", 4.33", 5.12" | 63, 80, 100 | ISO-K | Aluminum | 1 × 10 -9 torr @ 72° F | 0000000 | 0000 |
6" | 7.09" | 160 | ISO-K | Aluminum | 1 × 10 -9 torr @ 72° F | 0000000 | 0000 |
Material | |||||||||
---|---|---|---|---|---|---|---|---|---|
For Tube OD | For Flange OD | Trade Number | High Vacuum Connection Type | O-Ring | Inner Ring | Max. Vacuum | Max. Temp., °F | Each | |
2 1/2" | 3.74" | 63 | ISO-K | Viton® Fluoroelastomer Rubber | 304 Stainless Steel | 1 × 10 -9 torr @ 72° F | 400° | 0000000 | 000000 |
3" | 4.33" | 80 | ISO-K | Viton® Fluoroelastomer Rubber | 304 Stainless Steel | 1 × 10 -9 torr @ 72° F | 400° | 000000 | 00000 |
4" | 5.12" | 100 | ISO-K | Viton® Fluoroelastomer Rubber | 304 Stainless Steel | 1 × 10 -9 torr @ 72° F | 400° | 0000000 | 00000 |
6" | 7.09" | 160 | ISO-K | Viton® Fluoroelastomer Rubber | 304 Stainless Steel | 1 × 10 -9 torr @ 72° F | 400° | 0000000 | 00000 |
For Tube OD | Flange OD | Trade Number | ID | OD | Wall Thickness | Bend Radius | High Vacuum Connection Type | Max. Vacuum | Each | |
6" Lg. | ||||||||||
---|---|---|---|---|---|---|---|---|---|---|
3/4" | 1.18" | 16 | 3/4" | 1 3/16" | 0.006" | __ | ISO-KF | 1 × 10 -9 torr @ 72° F | 0000000 | 0000000 |
1" | 1.57" | 25 | 1" | 1 7/16" | 0.006" | __ | ISO-KF | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
1 1/2" | 2.16" | 40 | 1 1/2" | 2 1/8" | 0.006" | 10" | ISO-KF | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
2" | 2.95" | 50 | 2" | 2 5/8" | 0.006" | 11 1/2" | ISO-KF | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
12" Lg. | ||||||||||
3/4" | 1.18" | 16 | 3/4" | 1 3/16" | 0.008" | 6 1/2" | ISO-KF | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
1" | 1.57" | 25 | 1" | 1 7/16" | 0.008" | 7 1/2" | ISO-KF | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
1 1/2" | 2.16" | 40 | 1 1/2" | 2 1/8" | 0.008" | 10" | ISO-KF | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
2" | 2.95" | 50 | 2" | 2 5/8" | 0.008" | 11 1/2" | ISO-KF | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
24" Lg. | ||||||||||
3/4" | 1.18" | 16 | 3/4" | 1 3/16" | 0.008" | 6 1/2" | ISO-KF | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
1" | 1.57" | 25 | 1" | 1 7/16" | 0.008" | 7 1/2" | ISO-KF | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
1 1/2" | 2.16" | 40 | 1 1/2" | 2 1/8" | 0.008" | 10" | ISO-KF | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
2" | 2.95" | 50 | 2" | 2 5/8" | 0.008" | 11 1/2" | ISO-KF | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
36" Lg. | ||||||||||
3/4" | 1.18" | 16 | 3/4" | 1 3/16" | 0.008" | 6 1/2" | ISO-KF | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
1" | 1.57" | 25 | 1" | 1 7/16" | 0.008" | 7 1/2" | ISO-KF | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
1 1/2" | 2.16" | 40 | 1 1/2" | 2 1/8" | 0.008" | 10" | ISO-KF | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
2" | 2.95" | 50 | 2" | 2 5/8" | 0.008" | 11 1/2" | ISO-KF | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
39" Lg. | ||||||||||
3/4" | 1.18" | 16 | 3/4" | 1 3/16" | 0.008" | 6 1/2" | ISO-KF | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
1" | 1.57" | 25 | 1" | 1 7/16" | 0.008" | 7 1/2" | ISO-KF | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
1 1/2" | 2.16" | 40 | 1 1/2" | 2 1/8" | 0.008" | 10" | ISO-KF | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
2" | 2.95" | 50 | 2" | 2 5/8" | 0.008" | 11 1/2" | ISO-KF | 1 × 10 -9 torr @ 72° F | 0000000 | 000000 |
For Tube OD | For Flange OD | Trade Number | High Vacuum Connection Type | Material | Max. Vacuum | Each | |
With Wing Nut | |||||||
---|---|---|---|---|---|---|---|
1/2" | 1.18" | 10 | ISO-KF | Aluminum | 1 × 10 -7 torr @ 72° F | 00000000 | 00000 |
1/2", 3/4" | 1.18" | 10, 16 | ISO-KF | Aluminum | 1 × 10 -7 torr @ 72° F | 00000000 | 0000 |
3/4" | 1.18" | 16 | ISO-KF | Aluminum | 1 × 10 -7 torr @ 72° F | 00000000 | 0000 |
1" | 1.57" | 25 | ISO-KF | Aluminum | 1 × 10 -7 torr @ 72° F | 0000000 | 00000 |
1 1/2" | 2.16" | 40 | ISO-KF | Aluminum | 1 × 10 -7 torr @ 72° F | 0000000 | 00000 |
2" | 2.95" | 50 | ISO-KF | Aluminum | 1 × 10 -7 torr @ 72° F | 0000000 | 00000 |
Material | ||||||||
---|---|---|---|---|---|---|---|---|
For Tube OD | For Flange OD | Trade Number | High Vacuum Connection Type | O-Ring | Inner Ring | Max. Vacuum | Each | |
3/4" | 1.18" | 16 | ISO-KF | Fluoroelastomer Rubber | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 00000000 | 00000 |
1" | 1.57" | 25 | ISO-KF | Fluoroelastomer Rubber | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 0000000 | 0000 |
1 1/2" | 2.16" | 40 | ISO-KF | Fluoroelastomer Rubber | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 0000000 | 00000 |
2" | 2.95" | 50 | ISO-KF | Fluoroelastomer Rubber | 304 Stainless Steel | 1 × 10 -7 torr @ 72° F | 0000000 | 00000 |
Braided stainless steel construction gives this hose moderate flexibility and makes it tough enough to handle extreme temperatures, as well as vibration.
Double-braided hose withstands higher pressures than braided hose.
Pipe Size | ID | OD | Bend Radius | Max. Pressure | Other Lengths | 12" | 18" | 24" | 30" | 36" | 42" | 48" | |
316 Stainless Steel Hose with 316 Stainless Steel NPT Male Fittings | |||||||||||||
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3/4 × 3/4 | 3/4" | 1 3/8" | 10" | 3,600 psi @ 72° F | 9" to 120" | 0000000 | |||||||
1 × 1 | 1" | 1 3/4" | 11" | 3,000 psi @ 72° F | 9" to 120" | 0000000 | |||||||
1 1/4 × 1 1/4 | 1 1/4" | 2" | 12 1/2" | 2,600 psi @ 72° F | 9" to 120" | 0000000 | |||||||
1 1/2 × 1 1/2 | 1 1/2" | 2 3/8" | 13" | 2,200 psi @ 72° F | 10" to 120" | 0000000 | |||||||
2 × 2 | 2" | 2 7/8" | 14" | 1,675 psi @ 72° F | 12" to 120" | 0000000 |