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About Pipe Expansion Joints
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Select the right expansion joint by measuring the size of your pipes and comparing types of joint movement.
Pipe Expansion Joints with Flanged Ends
 |
Shown Installed on a Flanged Pipe |
These joints reduce stress, vibration, and noise in piping systems by providing a point of flexibility to absorb movement. The flanged ends rotate for easy bolt hole alignment during installation. They mate with a same-size flat-surface Class 150 flange without the need for a gasket. Joints have a flexible body that is reinforced with nylon for added strength.
Position the expansion joints as close as possible to anchor points.
Neoprene
 |  |
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 | Threaded Bolt Holes | 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. | Bolt Hole Thread Size | Each | For Bolt Dia. | Each | Pair | ||||
| 5" | 1 1/2 | 6" | 4 | 1/2" | 3/8" | 1/2" | 220 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Nylon | Nonabrasive Slurries, Water | -10 to 220 | 26 in. Hg @ 72° F | 1/2"-13 | 9175K32 | 000000 | 5/8" | 9175K13 | 000000 | 9175K82 | 0000000 | |
| 6" | 2 | 6" | 4 | 1/2" | 3/8" | 1/2" | 220 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Nylon | Nonabrasive Slurries, Water | -10 to 220 | 26 in. Hg @ 72° F | 5/8"-11 | 9175K33 | 000000 | 3/4" | 9175K14 | 000000 | 9175K83 | 000000 | |
| 7" | 2 1/2 | 6" | 4 | 1/2" | 3/8" | 1/2" | 220 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Nylon | Nonabrasive Slurries, Water | -10 to 220 | 26 in. Hg @ 72° F | 5/8"-11 | 9175K34 | 000000 | 3/4" | 9175K15 | 000000 | 9175K84 | 000000 | |
| 7 1/2" | 3 | 6" | 4 | 1/2" | 3/8" | 1/2" | 220 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Nylon | Nonabrasive Slurries, Water | -10 to 220 | 26 in. Hg @ 72° F | 5/8"-11 | 9175K35 | 000000 | 3/4" | 9175K16 | 000000 | 9175K85 | 000000 | |
| 9" | 4 | 6" | 8 | 3/4" | 1/2" | 1/2" | 220 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Nylon | Nonabrasive Slurries, Water | -10 to 220 | 26 in. Hg @ 72° F | 5/8"-11 | 9175K36 | 000000 | 3/4" | 9175K17 | 000000 | 9175K86 | 000000 | |
| 10" | 5 | 6" | 8 | 3/4" | 1/2" | 1/2" | 220 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Nylon | Nonabrasive Slurries, Water | -10 to 220 | 26 in. Hg @ 72° F | 3/4"-10 | 9175K37 | 000000 | 7/8" | 9175K18 | 000000 | 9175K87 | 000000 | |
| 11" | 6 | 6" | 8 | 3/4" | 1/2" | 1/2" | 220 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Nylon | Nonabrasive Slurries, Water | -10 to 220 | 26 in. Hg @ 72° F | 3/4"-10 | 9175K38 | 000000 | 7/8" | 9175K19 | 000000 | 9175K88 | 000000 | |
| 13 1/2" | 8 | 6" | 8 | 3/4" | 1/2" | 1/2" | 220 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Nylon | Nonabrasive Slurries, Water | -10 to 220 | 26 in. Hg @ 72° F | 3/4"-10 | 9175K39 | 000000 | 7/8" | 9175K23 | 000000 | 9175K89 | 000000 | |
| 16" | 10 | 8" | 12 | 1" | 5/8" | 3/4" | 220 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Nylon | Nonabrasive Slurries, Water | -10 to 220 | 26 in. Hg @ 72° F | 7/8"-9 | 9175K21 | 000000 | 1" | 9175K24 | 000000 | 9175K91 | 000000 | |
| 19" | 12 | 8" | 12 | 1" | 5/8" | 3/4" | 220 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Nylon | Nonabrasive Slurries, Water | -10 to 220 | 26 in. Hg @ 72° F | 7/8"-9 | 9175K22 | 000000 | 1" | 9175K25 | 000000 | 9175K92 | 000000 | |
Pipe Expansion Joints with Sealing Flanged Ends for Metal Pipe
 |
Shown Installed on a Flanged Pipe |
Because the flanges are molded into the body for a wide sealing surface, these joints provide a tighter seal than other expansion joints. Each flange is supported by a zinc-plated steel plate. Flanges mate with a same-size flat-surface Class 150 flange without the need for a gasket. Joints reduce stress, vibration, and noise in metal piping systems by providing a point of flexibility to absorb movement. They have a flexible body that is reinforced with cord for added strength.
Mount these expansion joints as close as possible to anchor points.
Neoprene with Buna-N Liner
 | |
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. | Bolt Hole Size | Each | Pair | |||
| 6" | 2 | 6" | 4 | 1 1/4" | 5/8" | 9/16" | 210 psi @ 72° F | Single Bulb | Neoprene | Metal, Yarn | Coolant, Grease, Hydraulic Fluid, Water | -65 to 220 | 29 in. Hg @ 72° F | 3/4" | 4528K52 | 0000000 | 9175K83 | 0000000 | |
| 7" | 2 1/2 | 6" | 4 | 1 1/4" | 5/8" | 9/16" | 210 psi @ 72° F | Single Bulb | Neoprene | Metal, Yarn | Coolant, Grease, Hydraulic Fluid, Water | -65 to 220 | 29 in. Hg @ 72° F | 3/4" | 4528K53 | 000000 | 9175K84 | 000000 | |
| 7 1/2" | 3 | 6" | 4 | 1 1/4" | 5/8" | 9/16" | 210 psi @ 72° F | Single Bulb | Neoprene | Metal, Yarn | Coolant, Grease, Hydraulic Fluid, Water | -65 to 220 | 29 in. Hg @ 72° F | 3/4" | 4528K54 | 000000 | 9175K85 | 000000 | |
| 9" | 4 | 6" | 8 | 1 1/4" | 5/8" | 9/16" | 210 psi @ 72° F | Single Bulb | Neoprene | Metal, Yarn | Coolant, Grease, Hydraulic Fluid, Water | -65 to 220 | 29 in. Hg @ 72° F | 3/4" | 4528K55 | 000000 | 9175K86 | 000000 | |
| 10" | 5 | 6" | 8 | 1 1/4" | 5/8" | 9/16" | 210 psi @ 72° F | Single Bulb | Neoprene | Metal, Yarn | Coolant, Grease, Hydraulic Fluid, Water | -65 to 220 | 29 in. Hg @ 72° F | 7/8" | 4528K56 | 000000 | 9175K87 | 000000 | |
| 11" | 6 | 6" | 8 | 1 1/4" | 5/8" | 9/16" | 210 psi @ 72° F | Single Bulb | Neoprene | Metal, Yarn | Coolant, Grease, Hydraulic Fluid, Water | -65 to 220 | 29 in. Hg @ 72° F | 7/8" | 4528K57 | 000000 | 9175K88 | 000000 | |
| 13 1/2" | 8 | 6" | 8 | 1 1/4" | 5/8" | 9/16" | 210 psi @ 72° F | Single Bulb | Neoprene | Metal, Yarn | Coolant, Grease, Hydraulic Fluid, Water | -65 to 220 | 29 in. Hg @ 72° F | 7/8" | 4528K58 | 000000 | 9175K89 | 000000 | |
Neoprene
| |
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. | Bolt Hole Size | Each | Pair | |||
| 6" | 2 | 6" | 4 | 1 1/4" | 5/8" | 9/16" | 190 psi @ 72° F | Single Bulb | Neoprene | Metal, Polyester Plastic | Grain Alcohol, Nonabrasive Slurries, Water | -20 to 220 | 26 in. Hg @ 72° F | 3/4" | 4528K82 | 0000000 | 9175K83 | 0000000 | |
| 7" | 2 1/2 | 6" | 4 | 1 1/4" | 5/8" | 9/16" | 190 psi @ 72° F | Single Bulb | Neoprene | Metal, Polyester Plastic | Grain Alcohol, Nonabrasive Slurries, Water | -20 to 220 | 26 in. Hg @ 72° F | 3/4" | 4528K83 | 000000 | 9175K84 | 000000 | |
| 7 1/2" | 3 | 6" | 4 | 1 1/4" | 5/8" | 9/16" | 190 psi @ 72° F | Single Bulb | Neoprene | Metal, Polyester Plastic | Grain Alcohol, Nonabrasive Slurries, Water | -20 to 220 | 26 in. Hg @ 72° F | 3/4" | 4528K84 | 000000 | 9175K85 | 000000 | |
| 9" | 4 | 6" | 8 | 1 1/4" | 5/8" | 9/16" | 190 psi @ 72° F | Single Bulb | Neoprene | Metal, Polyester Plastic | Grain Alcohol, Nonabrasive Slurries, Water | -20 to 220 | 26 in. Hg @ 72° F | 3/4" | 4528K85 | 000000 | 9175K86 | 000000 | |
| 11" | 6 | 6" | 8 | 1 1/4" | 5/8" | 9/16" | 190 psi @ 72° F | Single Bulb | Neoprene | Metal, Polyester Plastic | Grain Alcohol, Nonabrasive Slurries, Water | -20 to 220 | 26 in. Hg @ 72° F | 7/8" | 4528K87 | 000000 | 9175K88 | 000000 | |
| 13 1/2" | 8 | 6" | 8 | 1 1/4" | 5/8" | 9/16" | 190 psi @ 72° F | Single Bulb | Neoprene | Metal, Polyester Plastic | Grain Alcohol, Nonabrasive Slurries, Water | -20 to 220 | 26 in. Hg @ 72° F | 7/8" | 4528K88 | 000000 | 9175K89 | 000000 | |
Pipe Expansion Joints with Threaded Ends
Neoprene
 |
Distance | NPT Female | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pipe Size | Lg. | Compression | Expansion | Offset | Max. Pressure @ Temp. | Expansion Joint Type | Fitting Material | Reinforcement Material | For Use With | Temp. Range, ° F | Max. Vacuum @ Temp. | Each | ||
| 3/4 | 8" | 7/8" | 1/4" | 7/8" | 150 psi @ 72° F | Double Bulb | Iron | Nylon | Air, Grease, Oil, Water | 0 to 240 | 16 in. Hg @ 72° F | 5303N11 | 000000 | |
| 1 | 8" | 7/8" | 1/4" | 7/8" | 150 psi @ 72° F | Double Bulb | Iron | Nylon | Air, Grease, Oil, Water | 0 to 240 | 16 in. Hg @ 72° F | 5303N12 | 00000 | |
| 1 1/4 | 8" | 7/8" | 1/4" | 7/8" | 150 psi @ 72° F | Double Bulb | Iron | Nylon | Air, Grease, Oil, Water | 0 to 240 | 16 in. Hg @ 72° F | 5303N13 | 00000 | |
| 1 1/2 | 8" | 7/8" | 1/4" | 7/8" | 150 psi @ 72° F | Double Bulb | Iron | Nylon | Air, Grease, Oil, Water | 0 to 240 | 16 in. Hg @ 72° F | 5303N14 | 000000 | |
| 2 | 8" | 7/8" | 1/4" | 7/8" | 150 psi @ 72° F | Double Bulb | Iron | Nylon | Air, Grease, Oil, Water | 0 to 240 | 16 in. Hg @ 72° F | 5303N15 | 000000 | |
Pipe Expansion Joints with Flanged Ends for High Vibration
 |
Shown Installed on a Flanged Pipe |
These expansion joints have a double-bulb design for extra movement and vibration absorption. The flanged ends rotate for easy bolt hole alignment during installation. They mate with a same-size flat-surface Class 150 flange without the need for a gasket. Joints have a flexible body that is reinforced with nylon for added strength.
Neoprene
 |  |
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 | Threaded Bolt Holes | 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. | Bolt Hole Thread Size | Each | Bolt Hole Size | Each | Pair | ||||
| 5" | 1 1/2 | 7" | 4 | 2" | 1 3/16" | 1 3/4" | 220 psi @ 72° F | Double Bulb | Zinc-Plated Steel | Nylon | Grain Alcohol, Nonabrasive Slurries, Water | -10 to 220 | 26 in. Hg @ 72° F | 1/2"-13 | 6819K61 | 0000000 | 5/8" | 6819K26 | 0000000 | 6819K72 | 000000 | |
| 6" | 2 | 7" | 4 | 2" | 1 3/16" | 1 3/4" | 220 psi @ 72° F | Double Bulb | Zinc-Plated Steel | Nylon | Grain Alcohol, Nonabrasive Slurries, Water | -10 to 220 | 26 in. Hg @ 72° F | 5/8"-11 | 6819K62 | 000000 | 3/4" | 6819K27 | 000000 | 6819K73 | 00000 | |
| 7" | 2 1/2 | 7" | 4 | 2" | 1 3/16" | 1 3/4" | 220 psi @ 72° F | Double Bulb | Zinc-Plated Steel | Nylon | Grain Alcohol, Nonabrasive Slurries, Water | -10 to 220 | 26 in. Hg @ 72° F | 5/8"-11 | 6819K63 | 000000 | 3/4" | 6819K28 | 000000 | 6819K74 | 00000 | |
| 7 1/2" | 3 | 7" | 4 | 2" | 1 3/16" | 1 3/4" | 220 psi @ 72° F | Double Bulb | Zinc-Plated Steel | Nylon | Grain Alcohol, Nonabrasive Slurries, Water | -10 to 220 | 26 in. Hg @ 72° F | 5/8"-11 | 6819K64 | 000000 | 3/4" | 6819K29 | 000000 | 6819K75 | 00000 | |
| 9" | 4 | 9" | 8 | 2" | 1 3/8" | 1 9/16" | 220 psi @ 72° F | Double Bulb | Zinc-Plated Steel | Nylon | Grain Alcohol, Nonabrasive Slurries, Water | -10 to 220 | 26 in. Hg @ 72° F | 5/8"-11 | 6819K65 | 000000 | 3/4" | 6819K31 | 000000 | 6819K76 | 00000 | |
| 10" | 5 | 9" | 8 | 2" | 1 3/8" | 1 9/16" | 220 psi @ 72° F | Double Bulb | Zinc-Plated Steel | Nylon | Grain Alcohol, Nonabrasive Slurries, Water | -10 to 220 | 26 in. Hg @ 72° F | 3/4"-10 | 6819K66 | 000000 | 7/8" | 6819K52 | 000000 | 6819K77 | 000000 | |
| 11" | 6 | 9" | 8 | 2" | 1 3/8" | 1 9/16" | 220 psi @ 72° F | Double Bulb | Zinc-Plated Steel | Nylon | Grain Alcohol, Nonabrasive Slurries, Water | -10 to 220 | 26 in. Hg @ 72° F | 3/4"-10 | 6819K67 | 000000 | 7/8" | 6819K53 | 000000 | 6819K78 | 000000 | |
| 13 1/2" | 8 | 13" | 8 | 2 3/8" | 1 3/8" | 1 3/8" | 220 psi @ 72° F | Double Bulb | Zinc-Plated Steel | Nylon | Grain Alcohol, Nonabrasive Slurries, Water | -10 to 220 | 26 in. Hg @ 72° F | 3/4"-10 | 6819K68 | 000000 | 7/8" | 6819K54 | 000000 | 6819K79 | 000000 | |
| 16" | 10 | 13" | 12 | 2 3/8" | 1 3/8" | 1 3/8" | 220 psi @ 72° F | Double Bulb | Zinc-Plated Steel | Nylon | Grain Alcohol, Nonabrasive Slurries, Water | -10 to 220 | 26 in. Hg @ 72° F | 7/8"-9 | 6819K69 | 000000 | 1" | 6819K55 | 000000 | 6819K92 | 000000 | |
| 19" | 12 | 13" | 12 | 2 3/8" | 1 3/8" | 1 3/8" | 220 psi @ 72° F | Double Bulb | Zinc-Plated Steel | Nylon | Grain Alcohol, Nonabrasive Slurries, Water | -10 to 220 | 26 in. Hg @ 72° F | 7/8"-9 | 6819K71 | 00000000 | 1" | 6819K56 | 00000000 | 6819K93 | 000000 | |
Clamp-On Pipe Expansion Joints
Neoprene
 |
Neoprene joints are more abrasion resistant than silicone rubber joints.
Distance | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
For Pipe OD | Pipe Size | Lg. | Compression | Expansion | Offset | Max. Pressure @ Temp. | Expansion Joint Type | Reinforcement Material | Band Clamp Material | For Use With | Temp. Range, ° F | Max. Vacuum @ Temp. | Each | ||
| 2 3/8" | 2 | 7" | 1" | 1/2" | 1 1/8" | 150 psi @ 72° F | Triple Bulb | Nylon | 300 Series Stainless Steel | Sewage Water, Calcium Chloride, Oil, Petroleum, Sludge, Water, Sodium Carbonate (Soda Ash) | -20 to 220 | 20 in. Hg @ 72° F | 5428K14 | 0000000 | |
| 2 7/8" | 2 1/2 | 7" | 1" | 1/2" | 1 1/8" | 150 psi @ 72° F | Triple Bulb | Nylon | 300 Series Stainless Steel | Sewage Water, Calcium Chloride, Oil, Petroleum, Sludge, Water, Sodium Carbonate (Soda Ash) | -20 to 220 | 20 in. Hg @ 72° F | 5428K16 | 000000 | |
| 3 1/2" | 3 | 7" | 1" | 1/2" | 1 1/8" | 150 psi @ 72° F | Triple Bulb | Nylon | 300 Series Stainless Steel | Sewage Water, Calcium Chloride, Oil, Petroleum, Sludge, Water, Sodium Carbonate (Soda Ash) | -20 to 220 | 20 in. Hg @ 72° F | 5428K18 | 000000 | |
| 4 1/2" | 4 | 7" | 1" | 1/2" | 1 1/8" | 150 psi @ 72° F | Triple Bulb | Nylon | 300 Series Stainless Steel | Sewage Water, Calcium Chloride, Oil, Petroleum, Sludge, Water, Sodium Carbonate (Soda Ash) | -20 to 220 | 20 in. Hg @ 72° F | 5428K25 | 000000 | |
| 5 9/16" | 5 | 7" | 1" | 1/2" | 1 1/8" | 150 psi @ 72° F | Triple Bulb | Nylon | 300 Series Stainless Steel | Sewage Water, Calcium Chloride, Oil, Petroleum, Sludge, Water, Sodium Carbonate (Soda Ash) | -20 to 220 | 20 in. Hg @ 72° F | 5428K29 | 000000 | |
| 6 5/8" | 6 | 7" | 1" | 1/2" | 1 1/8" | 150 psi @ 72° F | Triple Bulb | Nylon | 300 Series Stainless Steel | Sewage Water, Calcium Chloride, Oil, Petroleum, Sludge, Water, Sodium Carbonate (Soda Ash) | -20 to 220 | 20 in. Hg @ 72° F | 5428K33 | 000000 | |
| 8 5/8" | 8 | 7" | 1" | 1/2" | 1 1/8" | 150 psi @ 72° F | Triple Bulb | Nylon | 300 Series Stainless Steel | Sewage Water, Calcium Chloride, Oil, Petroleum, Sludge, Water, Sodium Carbonate (Soda Ash) | -20 to 220 | 20 in. Hg @ 72° F | 5428K37 | 000000 | |
| 10 3/4" | 10 | 7" | 1" | 1/2" | 1 1/8" | 150 psi @ 72° F | Triple Bulb | Nylon | 300 Series Stainless Steel | Sewage Water, Calcium Chloride, Oil, Petroleum, Sludge, Water, Sodium Carbonate (Soda Ash) | -20 to 220 | 20 in. Hg @ 72° F | 5428K41 | 000000 | |
| 12 3/4" | 12 | 7" | 1" | 1/2" | 1 1/8" | 150 psi @ 72° F | Triple Bulb | Nylon | 300 Series Stainless Steel | Sewage Water, Calcium Chloride, Oil, Petroleum, Sludge, Water, Sodium Carbonate (Soda Ash) | -20 to 220 | 20 in. Hg @ 72° F | 5428K45 | 000000 | |
Pipe Expansion Joints with Sealing Flanged Ends for Plastic Pipe
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Shown Installed on a Flanged Pipe |
These joints reduce stress, vibration, and noise in plastic piping systems by providing a point of flexibility to absorb movement. Joints provide a tighter seal than other expansion joints because the flanges are molded into the body for a wide sealing surface. Each flange is supported by a zinc-plated steel plate. Flanges mate with a same-size flat-surface Class 150 flange without the need for a gasket.
Position the expansion joints as close as possible to anchor points.
Neoprene with Buna-N Liner
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Expansion Joint | Limit Rod |
Neoprene joints resist abrasion better than EPDM joints.
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. | Bolt Hole Size | Each | Pair | |||
| 5" | 1 1/2 | 6" | 4 | 1 1/2" | 5/8" | 3/4" | 225 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Polyester Plastic | Natural Gas, Oil, Water | -10 to 220 | 24 in. Hg @ 72° F | 5/8" | 4528K21 | 0000000 | 9175K82 | 0000000 | |
| 6" | 2 | 6" | 4 | 1 1/2" | 5/8" | 3/4" | 225 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Polyester Plastic | Natural Gas, Oil, Water | -10 to 220 | 24 in. Hg @ 72° F | 3/4" | 4528K22 | 000000 | 9175K83 | 000000 | |
| 7 1/2" | 3 | 6" | 4 | 1 1/2" | 5/8" | 3/4" | 225 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Polyester Plastic | Natural Gas, Oil, Water | -10 to 220 | 24 in. Hg @ 72° F | 3/4" | 4528K23 | 000000 | 9175K85 | 000000 | |
| 9" | 4 | 6" | 8 | 1 1/2" | 5/8" | 3/4" | 225 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Polyester Plastic | Natural Gas, Oil, Water | -10 to 220 | 24 in. Hg @ 72° F | 3/4" | 4528K24 | 000000 | 9175K86 | 000000 | |
| 11" | 6 | 6" | 8 | 1 1/2" | 5/8" | 3/4" | 210 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Polyester Plastic | Natural Gas, Oil, Water | -10 to 220 | 24 in. Hg @ 72° F | 7/8" | 4528K25 | 000000 | 9175K88 | 000000 | |
| 13 1/2" | 8 | 6" | 8 | 1 1/2" | 5/8" | 3/4" | 210 psi @ 72° F | Single Bulb | Zinc-Plated Steel | Polyester Plastic | Natural Gas, Oil, Water | -10 to 220 | 24 in. Hg @ 72° F | 7/8" | 4528K26 | 000000 | 9175K89 | 000000 | |
