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Pipe Expansion Joints with Flanged Ends for Drinking Water
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Shown Installed on a Flanged Pipe |
The EPDM lining in these joints meets NSF/ANSI 61 standard for use with drinking water. To reduce stress, vibration, and noise in piping systems, they provide a point of flexibility to absorb movement. These joints have a flexible body reinforced with polyester plastic cord for added strength. A zinc-plated steel plate supports each flange. The flanges mate with the same-size flat-surface Class 150 flange without the need for a gasket.
Position the expansion joints as close as possible to anchor points.
EPDM with EPDM Liner
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Expansion Joint | Limit Rod |
Limit Rod Sets—Attach limit rod sets (sold separately) to the flanges to prevent overextension where anchoring is insufficient. To accommodate the thickness of the limit rod mounting plate, use bolts that are 7/8" longer than the bolts connecting the expansion joint to the pipe flange. Each set of limit rods requires eight bolts (not included).
Pipe Expansion Joints | Limit Rod Sets | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Distance | Unthreaded Bolt Holes | |||||||||||||||||||
Flange OD | Pipe Size | Lg. | No. of Bolt Holes | Compression | Expansion | Offset | Max. Pressure @ Temp. | Expansion Joint Type | Flange Material | Reinforcement Material | For Use With | Temp. Range, ° F | Max. Vacuum @ Temp. | Food Industry Std. | Bolt Hole Size | Each | Pair | |||
| 5" | 1 1/2 | 6" | 4 | 3/4" | 3/8" | 1/2" | 200 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Polyester Plastic | Drinking Water | -20 to 250 | 26 in. Hg @ 72° F | NSF/ANSI 61 | 5/8" | 5304N18 | 0000000 | 9175K82 | 0000000 | |
| 6" | 2 | 6" | 4 | 1 3/8" | 3/4" | 5/8" | 200 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Polyester Plastic | Drinking Water | -20 to 250 | 26 in. Hg @ 72° F | NSF/ANSI 61 | 3/4" | 5304N19 | 000000 | 9175K83 | 000000 | |
| 7" | 2 1/2 | 6" | 4 | 1 3/8" | 3/4" | 5/8" | 200 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Polyester Plastic | Drinking Water | -20 to 250 | 26 in. Hg @ 72° F | NSF/ANSI 61 | 3/4" | 5304N21 | 000000 | 9175K84 | 000000 | |
| 7 1/2" | 3 | 6" | 4 | 1 3/8" | 3/4" | 5/8" | 200 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Polyester Plastic | Drinking Water | -20 to 250 | 26 in. Hg @ 72° F | NSF/ANSI 61 | 3/4" | 5304N22 | 000000 | 9175K85 | 000000 | |
| 9" | 4 | 6" | 8 | 1 3/8" | 3/4" | 5/8" | 200 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Polyester Plastic | Drinking Water | -20 to 250 | 26 in. Hg @ 72° F | NSF/ANSI 61 | 3/4" | 5304N23 | 000000 | 9175K86 | 000000 | |
| 11" | 6 | 6" | 8 | 1 5/8" | 3/4" | 3/4" | 190 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Polyester Plastic | Drinking Water | -20 to 250 | 26 in. Hg @ 72° F | NSF/ANSI 61 | 7/8" | 5304N24 | 00000000 | 9175K88 | 000000 | |
| 13 1/2" | 8 | 6" | 8 | 1 5/8" | 3/4" | 3/4" | 190 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Polyester Plastic | Drinking Water | -20 to 250 | 26 in. Hg @ 72° F | NSF/ANSI 61 | 7/8" | 5304N25 | 00000000 | 9175K89 | 000000 | |
