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What types of fittings do you know(2)?
Author:admin Date:2022-06-21
| type | Features | standard |
| Crimp Hose Fittings | Easy to install, but adds a tightening process. After the hose is damaged, the joint jacket cannot be reused, and it is matched with the steel wire braided hose to form an assembly. Can be used in conjunction with welded pipe joints with O-ring seals. It is suitable for pipeline system with oil, water and gas as medium. Medium temperature: oil: -30～80℃; air, -30～50℃; water, below 80℃ | JB/ZQ4427～4428-1986 |
| Three-piece hose connector | There is no need to peel off the cover of the hose during assembly. For hoses with slightly different outer diameters, the compensation depends on the pre-compression of the joint jacket on the hose. The pre-compression amount of the hose is within the range of 31% to 50%, which can ensure that there is no leakage under the working pressure, and the rubber will not be pulled out and the outer rubber layer will not be broken. It can be used in conjunction with welded pipe joints, quick-change joints, and ferrule type pipe joints. It is suitable for pipeline systems with oil, water and gas as the medium. The working pressure and medium temperature are limited by the connected hose. | JB/ZQ4429～4431-1986 |
| One-touch fittings (open and close at both ends) | After the pipe is disassembled, it can be sealed by itself, and the liquid in the pipe will not be lost, so it is suitable for frequent disassembly occasions. The structure is more complex, and the local resistance loss is large. It is suitable for pipeline system with oil and gas as medium, the working pressure is lower than 31.5MPa, and the medium temperature is -20～80℃ | JB/ZQ4434-1986 |
| One-touch fittings (open at both ends) | It is suitable for pipeline systems with oil and gas as the medium, and the temperature of the working pressure medium is limited by the connected rubber hose | JB/ZQ4435-1986 |
High-strength construction machinery work Hydraulic hose fittings 22641-12-12
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