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Vacuum technology. Valves. Leak test
Description
Vacuum technology. Valves. Leak testBS ISO 27895: 2009 Vacuum technology. Valves. Leak test BS ISO 27895 specifies methods for the leak testing of vacuum valves used for control of gas flow or vacuum pressure in a vacuum system. It is applicable to vacuum valves that can be closed to leak rates less than 1 105 Pa m3 s for trace gas. The methods employ a sealing arrangement for the valve body, which is also given. The methods are suitable for the verification of valve specifications. A
commercial or light-industrial
Interface: REQUEST_EHR_AUDIT_LOG_EXTRACT
PAS 402:2013 Waste resource management
Material sheets
BS EN 15558 specifies a method for the determination of nitrate and ammoniacal nitrogen with reduction according to Ulsch
including:
Principles for structural design
Contents of BS EN 13035-5:
methods and retests)
The capability of the filter element to maintain a specified fluid cleanliness level depends on its performance and structural integrity and its ability to withstand non-steady-state conditions (e
lifts installed in existing buildings
It may also apply to non-metallic products and is used in conjunction with information about the manufacturing conditions
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