Gas pitcher safety pressure relieving systems

The utility model relates to a gas pitcher safety pressure relieving systems, including gas holder, connecting pipe, ball valve and relief valve, the gas holder with the connecting pipe is connected,just the gas outlet of gas holder with the air inlet intercommunication of connecting pipe, the connecting pipe with the ball valve is connected, just the gas outlet of connecting pipe with the air inlet intercommunication of ball valve, the ball valve with safety valve connected, just the gas outlet of ball valve with the air inlet intercommunication of relief valve. The utility model provides atechnical scheme can realize when examining and determine gas -liquid link gear relief valve, does not fill the gassing operation to the gas pitcher, improves the security of operation. 本实用新型涉及种气罐安全泄压系统，包括储气罐、连接管、球阀和安全阀；所述储气罐与所述连接管连接，且所述储气罐的出气口与所述连接管的进气口连通；所述连接管与所述球阀连接，且所述连接管的出气口与所述球阀的进气口连通；所述球阀与所述安全阀连接，且所述球阀的出气口与所述安全阀的进气口连通。本实用新型提供的技术方案可以实现在对气液联动机构安全阀检定时，不对气罐进行充放气操作，提高操作的安全性。