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Type | TJ793 |
Air conditioning hose interface diameter (mm) | 207 |
Weight (kg) | 2.2±0.1 |
Anti-fall test | The connector should fall freely to the concrete floor from a height of not less than 10 meters. The connector barrel and plastic parts are not allowed to be broken, chipped, scattered or any other abnormal phenomena. |
Sealing test | Install the connector with the hose on the special test tool, and blow air to the connector through the hose. Under the wind pressure of 10000Pa, the connector is not allowed to have obvious air leakage. |
Assembly and disassembly test | Install the connector on the special test fixture and remove it. Repeat 10 times. The connector should be assembled and disassembled smoothly, and there should be no jamming, difficult installation or removal, etc. |
The upgraded TJ793 type air conditioning hose connector includes TJ793, TJ793L and TJ793W. The TJ793 type hose connector is an optimized design of the original TJ793 type connector, which solves the shortcomings of the original connector such as spanner shaft nut falling off, air leakage in the shaft part, easy falling off of the connector seal ring, inconsistent hardness and so on. The external size and shape of TJ793 air conditioner hose connector are unchanged after upgrade, so the original model is still used. The model of the hose connector with combination of extension is TJ793L, and the model of the connector with combination of elbow is TJ793W.
The upgraded TJ793 hose connector has been innovatively designed and improved in the following aspects:
The connector sealing ring is embedded in the installation groove, which effectively solves the problem that the sealing ring and the plastic barrel flange are not firmly bonded and are easy to fall off.
Embedded rotating shaft nut
The handle shaft nut is embedded in the connector wall, which not only fundamentally solves the problem of the penetration bolt shaft screw loosening and falling off, but also the connector wall is smooth and the sealing effect is better.
This product has applied for 2 utility model patents, of which 1 has been authorized and 1 has been accepted. Related information is as follows：
Patent name：Air-proof connector for ventilation hose of ground air-conditioning equipment of aircraft.
Patent number：ZL 2020 2 1006644.9
Authorization time：2020.12.8
Patent name：Combined type aircraft ground air-conditioning hose connection device
Patent number：202120599124.1
Authorization time：2021.03.24