The ferrule connection, the connection and sealing

Card sleeve connection
The ferrule connection, the connection and sealing principle is that when the nut is tightened, the ferrule is subjected to pressure, and the blade portion bites into the outer wall of the tube, and the outer tapered surface of the ferrule is tightly pressed against the tapered surface of the joint body under pressure, thereby It can reliably prevent leakage.
The advantages of this form of connection are:
1. Small size, light weight, simple structure, easy assembly and disassembly;
2, strong connection, wide range of use, can withstand high pressure (1000 kg / cm), high temperature (650 ° C) and shock vibration
3, can choose a variety of materials, suitable for anti-corrosion;
4, processing accuracy requirements are not high; easy to install at high altitude.
The ferrule connection form has been adopted in some small diameter valve products in China.
Clamp connection
This is a quick connection method that requires only two bolts for low pressure valves that are often removed.

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