Overview |
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Rubber expansion joints are also called flexible joint, rubber compensator or vibration absorber. Due to the flexibility of rubber, beside metal expansion joints, rubber expansion joints are always introduced to the piping system to solve some certain problems.
Rubber expansion joints Threaded Union Type 1030 are molded with two arches. Different with other types, Type 1030 expansion joints are completed with BSPT or NPT threaded unions, it connect with male or female unions in the pipe line.
Features and Benefit |
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Absorbvibration
Makeup piping misalignment
Offsetthermal movement
Releasepiping stress
Cost-effective
Lessweight
Connect with threaded unions, quick installation
Suitablefor high pressure application
Supply Range |
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Size: 25mm to 1200mm
Temperature: -40℃ to 120℃
Fluid: Water, Swage, Acid, Alkali, Oil, etc.
Pressure Rating: PN16
Part & Options |
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| Item | Part | Available Material | Quantity |
| 1 | Bellows | EPDM/NR/NBR/Neoprene/Hypalon | 1 |
| 2 | Threaded Union | Cast Iron/Carbon Steel/Stainless Steel | 2 |
| 3 | Carcass | Synthetic Fabric | 1 |
| 4 | Reinforcement | Steel Wire | 1 |
Data Sheet |
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| Size | L | Pressure | Vacuum | Threaded Union | Movements | |||
| mm | mm | bar | mbar | Comp.(mm) | Ext.(mm) | Lateral(mm) | Angular(°) | |
| 15 | 200 | 16 | Max | NPT/BSPT | 22 | 5 | 22 | 45 |
| 20 | 200 | 16 | Max | NPT/BSPT | 22 | 5 | 22 | 45 |
| 25 | 200 | 16 | Max | NPT/BSPT | 22 | 5 | 22 | 45 |
| 32 | 200 | 16 | Max | NPT/BSPT | 22 | 5 | 22 | 40 |
| 40 | 200 | 16 | Max | NPT/BSPT | 22 | 5 | 22 | 35 |
| 50 | 200 | 16 | Max | NPT/BSPT | 22 | 5 | 22 | 35 |
| 65 | 265 | 16 | Max | NPT/BSPT | 22 | 5 | 22 | 35 |
| 80 | 280 | 16 | Max | NPT/BSPT | 22 | 5 | 22 | 35 |
PS: |
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Pressure rating is for rubberbellows on base of 31 ℃, when higher temperature the pressure rating will reduce.
Movements in above table arenon-concurrent.
Test pressure is 1.5 times thepressure rating. UNICK rubber expansion joints could take 3 times designpressure for safety.
Our threaded union stock is BSPT, please ask sales of UNICK if you need NPT.
