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Evaporator air conditioning system rubber gaskets are usually used in the following locations:
Pipe connections
There are multiple pipe connections inside the evaporator, such as refrigerant inlet and outlet pipes, cooling water inlet and outlet pipes, etc. Rubber gaskets are required at these connections to ensure the tightness of the connection and prevent leakage of refrigerant or cooling water. Commonly used gaskets include O-rings, flat sealing gaskets, etc., which are usually made of rubber materials, such as nitrile rubber (NBR), fluorine rubber (FKM), etc.
The connection between the pipe and the evaporator body
Rubber gaskets are also required at the connection between the evaporator and the pipe to ensure tightness. Common gaskets include rubber O-rings or flat sealing gaskets, which are located at the connection between the pipe and the evaporator body to prevent refrigerant or cooling water from leaking.
| Exterior | black | ||
| Physical properties | Rated value | Unit system | Test Methods |
| proportion | 1.81 | g/cm³ | ASTM D792 |
| Hardness | Rated value | Unit system | Test Methods |
| Shore Hardness (Shore A) | 90 | ASTM D2240 | |
| Elastomer | Rated value | Unit system | Test Methods |
| Tensile stress (100% strain) | 13.4 | MPa | ASTM D412 |
| Tensile Strength (Break) | 14.1 | MPa | ASTM D412 |
| Elongation (break) | 110 | % | ASTM D412 |
| Compression Set 1 | ASTM D395 | ||
| 23°C, 70 hours | 19 | % | ASTM D395 |
| 175°C, 70 hours | 33 | % | ASTM D395 |
| 175°C, 166 hours | twenty two | % | ASTM D395 |
| 200°C, 22 hours | 18 | % | ASTM D395 |
Drain Hole Gasket
Evaporators usually have drain holes for draining condensation water. A rubber sealing gasket is required at the drain hole to ensure tightness and prevent condensation from leaking. These gaskets are usually made of rubber material.
These rubber gaskets play a key sealing role in the evaporator, ensuring that the evaporator maintains good sealing performance during operation and prevents refrigerant or cooling water leakage. The exact type of rubber gasket used depends on the design and requirements of the evaporator, as well as the type of refrigerant used and the operating conditions.
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