1, this system is mainly composed of pneumatic control valve, solenoid valve, the locator, a lower pressure valve valve, check valve, diaphragm pump, storage tanks, etc. If want to succeed with the position of valve, equipped with pneumatic and change the position control valve line petition, directly with self-locking valve stem, the position control valve solenoid valve, check valve, air tank. Because the volume of gas storage is limited, and the air pressure in the gas tank with the valve movement has receded, can't use storage tanks for the valve gas supply for a long period of time. 。 Q: emerged pneumatic - valve using a failure of a way to answer: in the industrial semi-automatic stem, pneumatic - valve failure sometimes demand confirmed, below is with double pneumatic - valve fault the position of two kinds of methods, for everybody reference. 2, if you want to succeed with die source, how many times can ensure valve, regulating valve and use the following the right solution can be thought of. This scheme with propane tanks volume should be better than ordinary try our best to take care of with a large volume of storage tanks. For the position scheme of pneumatic diaphragm regulating valves, there is a available for reference to: pneumatic - valve connecting between the positioner and actuator and the position control valve (one, two of the 3-way magnet valve (in the die with the position valve to the position, when the fault signal, to the position with solenoid valve, solenoid valve, however, be sure to execute chain and locator ( In the procedure of stem set) Have signal, namely the locator, solenoid valves, electrical, locator once lost credit, solenoid valve must be immediately without electricity. Its office principle as follows: when the air supply failure ( Loss of air pressure) Loss of air pressure, the check valve closed, blocking valve, in latching valve valve under the effect of spring reset, pneumatic directional control, air pipe of the fracture system on air tank piping, from storage tanks to the valve gas supply, how many times in order to ensure the valve movement, the successful implementation of back-to-back stem goals. This scheme in die, the source of valve back number associated with the volume of gas storage. Its office principle as follows: when the stem system air source fault ( Loss of air pressure) When a valve ( Their usefulness and contrary to the position control valve) Semi-automatic open, the electromagnetic valve stem gas source, electromagnetic valve of the valve under the effect of spring reset, two Marine solenoid valve of the inside a exhaust, another intake, one-way valve closed, air supply by propane tanks in the storage of air supply to the valve, thus successfully fitted the valve or the whole paper. Or the change of the whole paper can be fitted after debugging petition forms a successful implementation of pneumatic directional valve. His own case the content of the feed gas tank, one-way valve, latching valve, the valve, etc. Notes to the order: The national standard) A, A: B: product name, model, nominal size medium and temperature, pressure range C: whether there is attachment, delivery time, and special requirements so that we can correct selection for you. Second, if the valve has been selected by design unit of our company model, please order according to the valves parameters directly with our sales center. Three, it is very important when you use the occasion or the environment is more complex, would you please provide design drawings and detailed parameters, our engineers experts will concentrate on review and analysis for you. We can provide you with professional solutions, including design, customization, complete, operation and service. We've been working on the valve leader in the field of industry, to provide you with the latest knowledge of the Industrial Valves, the best service, best technical adviser. Thank you for visiting our website, if you have any questions, you can call us, we will be dedicated to provide you with quality services. The factory provides professional ball valve, butterfly valve, gate valve, globe valve, check valve, relief valve, safety valve, Marine valve, oil valve, hydraulic control valve and other kinds of valves.
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