Vacuum condition Questions
- Do you have valves that can be used in a vacuum (negative pressure)?
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Our products are designed on the premise of positive pressure and cannot maintain the degree of vacuum.
When used in a vacuum line, our products can be used in a range of low vacuum.* In the case of medium vacuum, our products will be available as an option. Please refer to the FAQs below.
・ Tell me the specifications of butterfly valves according to the degree of vacuum.
・ Tell me the specifications of ball valves according to the degree of vacuum.
* We consider 1 – 600 Torr as low vacuum and 0.001 – 0.1 Torr as medium vacuum as rough guides.Please refer to the table below for the amount of leakage.
Tell me the series of butterfly valves according to the degree of vacuum.
Tell me the specifications of ball valves according to the degree of vacuum.
- Tell me the series of butterfly valves according to the degree of vacuum.
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Butterfly valves can be used based on the degree of vacuum shown in the table below as a guide.
- Tell me the specifications of ball valves according to the degree of vacuum.
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Ball valves can be used based on the degree of vacuum shown in the table below as a guide.
We recommend the flange type, but please determine the use of the threaded type (standard product) based on your use record. (For the threaded type products, the specifications of the gland packing cannot be changed.)
