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Angle Pad Coupling is a special fitting for pipe connection, usually used to connect two pipes at an angle. It ensures the sealing and stability between pipes by using special gaskets and steel clamps. Angle Pad Coupling is particularly suitable for occasions where pipe offset or cornering is required. It can withstand certain pressure and vibration while maintaining the overall stability and sealing performance of the pipe system.
This product is widely used in fire protection systems, heating, ventilation and air conditioning (HVAC) systems, water supply and drainage systems, and oil and gas industries. Especially in those occasions where space is limited or the direction of the pipe needs to be adjusted, Angle Pad Coupling provides a simple and effective solution. Due to its easy installation and high reliability, it has become one of the indispensable key accessories in the pipeline system.
Material: ASTM A536, GRADE 65-45-12, QT450-10
Threads: ASME B1.20.1,ISO 7-1,BS21,BSPT,NPT,GB 7306
Size: ISO6182,AWWA C606
Size Available: 1"-24"
Surface Treatment: Electrophoretic painted
| Air pressure and holding pressure schedule | ||||
| NO. | Size | Pressure | Time to keep the pressure | Remark |
| 1 | ≤DN50 | ≥0.5MPa | ≥5s | Air pressure |
| 2 | >DN50~DN350 | ≥0.5MPa | ≥10s | Air pressure |
| 3 | >DN350 | 1.5times the rated working pressure | 5min | water pressure |
| Rubber gasket | |||
| Name | Recommended Application Medium | Related Standards | Recommended Application Temperature Range |
| E:EPDM | water supply,drainage, sewage,normal temperature air,weak acid,and weak alkali | GB5135.11 | -30℃~+130℃ |
| GB/T 21873 | -22°F~+266°F | ||
| continuous supply of 110℃ hot water | GB/T 27572 | ||
| D:NITRILE | petroleum,vegetable oil, mineral oil | GB5135.11 | -20℃~+80℃ |
| GB/T 23658 | -4°F~+176°F | ||
| S:SIUCON | drinking water | GB/T 28604 | -40℃~+180℃ |
| high-temperature dry air and some high-temperature chemicals | GB5135.11 | -40°F~+356°F | |
| F:FLUORINE | the acid,alkaline solution,and hot lubricating oil | HG/T 2181 | -20℃~+180° |
| -4°F~+356F | |||
| V:NEOPRENE | seawater | '-20°℃~+100℃ -4°F~+212°F | |
| Nominal Size mm/in | Pipe O.Dmmin | Working Pressure PSVMPa | Bolt Size | Dimensions L mm/in | UL | FM | ||
| No.-Size mm | φ | L | H | |||||
| 25 1 | 33.7 1.327 | 500 3.45 | 2-M10x45 | 57.5 2.264 | 99 3.898 | 43.5 1.713 | UL | FM |
| 32 1-1/4 | 42.4 1.669 | 500 3.45 | 2-M10x45 | 70 2.756 | 106 4.173 | 44 1.732 | UL | FM |
| 40 1-1/2 | 48.3 1.900 | 500 3.45 | 2-M10x45 | 73 2.874 | 108 4.252 | 44 1.732 | UL | FM |
| 50 2 | 60.3 2.375 | 500 3.45 | 2-M10x55 | 87 3.425 | 123 4.843 | 44 1.732 | UL | FM |
| 65 2-1/2 | 73.0 2.875 | 500 3.45 | 2-M10x55 | 100 3.937 | 138 5.433 | 44 1.732 | UL | FM |
| 65 2-1/2 | 76.1 3.000 | 500 3.45 | 2-M10x55 | 103 4.055 | 142 5.591 | 45 1.772 | UL | FM |
| 80 3 | 88.9 3.500 | 500 3.45 | 2-M12x60 | 117 4.606 | 166 6.535 | 45 1.772 | UL | FM |
| 100 4 | 108.0 4.250 | 500 3.45 | 2-M12x65 | 137 5.393 | 188 7.401 | 48 1.889 | UL | FM |
| 100 4 | 114.3 4.500 | 500 3.45 | 2-M12x65 | 139 5.472 | 190 7.480 | 49 1.929 | UL | FM |
| 125 5 | 133.0 5.250 | 300 2.07 | 2-M12x75 | 162.6 6.401 | 216 8.504 | 48 1.889 | UL | FM |
| 125 5 | 139.7 5.500 | 400 2.75 | 2-M12x75 | 168 6.614 | 218 8.583 | 49 1.929 | UL | FM |
| 125 5 | 141.3 5.563 | 400 2.75 | 2-M12x75 | 167 6.575 | 219 8.622 | 49 1.929 | UL | FM |
| 150 6 | 159.0 6.250 | 300 2.07 | 2-M12x75 | 189.4 7.456 | 240 9.448 | 48 1.889 | UL | FM |
| 150 6 | 165.1 6.500 | 400 2.75 | 2-M12x75 | 193 7.598 | 241 9.488 | 49 1.929 | UL | FM |
| 150 6 | 168.3 6.625 | 400 2.75 | 2-M12x75 | 198.5 7.815 | 249 9.803 | 50 1.969 | UL | FM |
| 200 8 | 219.1 8.625 | 300 2.07 | 2-M1ArA | 253 9.961 | 320 12.598 | 59 2.323 | UL | FM |
| 250 10 | 273 10.748 | 300 2.07 | 2-M22x130 | 335 13.189 | 426 16.772 | 68 2.677 | UL | FM |
| 300 12 | 323.9 12.752 | 300 2.07 | 2-M22x130 | 380 14.96 | 470 18.504 | 65 2.559 | UL | FM |
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Rigid Couplings are mechanical devices used to connect two shafts together in a fixed and rigid manner, ensuring that the shafts rotate together with no relative motion. These couplings are designed to maintain precise alignment between shafts, making them ideal for applications where high precision and minimal backlash are required. Rigid couplings are typically made from durable materials such as steel or aluminum and are often used in applications where the connected shafts are already aligned or where misalignment is not an issue.
· High Precision:Rigid couplings provide a direct connection between shafts, ensuring precise alignment and minimal backlash.
· High Torque Transfer:They are capable of transmitting high levels of torque without slippage.
· Simple Design:Often consisting of a single piece, rigid couplings are simple in design and easy to install.
· No Maintenance:Due to their solid construction, rigid couplings require minimal maintenance and have a long service life.
· Material Strength:Made from high-strength materials, they can withstand heavy loads and harsh operating conditions.
Rigid couplings are commonly used in machine tools, robotics, printing presses, and other applications where precise shaft alignment is crucial. They are also used in high-speed applications where any misalignment could cause significant problems.
1. Are rigid couplings suitable for all types of shafts?
Rigid couplings are suitable for shafts that are already aligned or can be aligned with high precision. They are not ideal for applications where shaft misalignment is expected.
2. What happens if a rigid coupling is used in a misaligned system?
Using a rigid coupling in a misaligned system can lead to increased wear and premature failure of the coupling and connected equipment due to the lack of misalignment compensation.
3. How do I ensure the longevity of a rigid coupling?
Proper alignment during installation is key to ensuring the longevity of a rigid coupling. Regular maintenance checks should also be conducted to ensure that the connected shafts remain aligned.
