If the back-pressure valve outlet selection principle is change, the change more than 10% of opening pressure when bellows safety valve should be used; if the medium is corrosive and should be used bellows safety valve, preventing the important parts due to media corrosion and failure. Safety valve outlet should be no resistance, to avoid compression phenomenon. Safety valve should be specifically tested before installation and check its official seal. The use of the safety valve should be checked regularly. Valve seal: valve is adjusted, should be seal to prevent random changes in good condition has been adjusted. When renovations safety valve, before removing the valve should be recorded to adjust the position of the screw and the adjustment ring to facilitate adjustment trimmed. After the seals should be readjusted again. Shandong Everbright Valve Co., Ltd. specializing in the production valve manufacturers, welcomed the new and old customers to order our products! Broadly speaking include so-called safety valve relief valve stainless steel valves, from a management point of view, the rules directly installed in the steam boiler or a pressure vessel, which is a necessary condition for technical supervision departments must be approved Valves, called the narrow sense safety valves, relief valves Other commonly known. Safety valves and relief valves in the structure and performance is very similar valve types, both of which are more than the automatic discharge inside the open pressure medium, to ensure plant safety. Because of the similarity of this nature, the people using the valve wholesale, often confuse the two, in addition, some production facilities in the rules which can be also provided. Thus, the difference between the two is often overlooked. Brand valves, Shandong Everbright valves, valve by valve Shandong China Everbright Limited. Brand valves, Shandong Everbright Valves Valve Co., Ltd. Shandong China Everbright (www.sdgdfm.com) this year introduced a new upgrade, the above picture is for reference only, please call Tel picture on this page or to obtain the latest information, Contact: Manager Ma.