Pressure signalling device (A-SD) - is designed to monitor the presence of pressure of GOTV in the manifold or pipeline of gas fire extinguishing installations. The pressure monitor A-SD is available in general industrial, marine and explosion-proof version. In the explosion-proof version A-SD meets the requirements of the Technical Regulations of the Customs Union TR TS 012/2011 "On the safety of equipment for operation in explosive atmospheres.
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