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Channel type positive pressure leak VTL-C type
According to the outlet pressure, the leakage hole is divided into vacuum (negative pressure) leakage hole and positive pressure leakage hole, which is mainly determined by the use conditions. When the outlet of the leak is to the atmosphere, the standard leak is called a positive pressure leak. For example, the leak with the suction gun method belongs to this category.
Zero flow valve standard leak VTL-BA type (the latest self-research)
Microchannel leak hole (E-3 ~ E-10)Pa.m3/s Dongbei @ self-developed manual integrated design valve, zero leakage Advantages: small air chamber, small attenuation
Channel Type Standard Leak VTL-B Type (He)
The channel type leak hole belongs to the real leak type leak hole. The leak hole element is a physically throttled leak channel that can pass through all gas components. Generally, pure gas is used to obtain the required gas leak rate. The VTL-B type of this product is vacuum leak hole, which is a device widely used in vacuum technology and leak detection. It is designed to produce a known and constant gas leak rate, in order to provide an accurate and repeatable reference during testing.
Helium permeation type standard leak VTL-A type
The helium-permeable standard leak is made using the high permeability of helium to most quartz glass or tetrafluoroethylene.
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