There pass valve are common, single seat valve leakage quantity is small, but the valve pressure difference before and after not big, the two-seater valve as vice versa. 2 regulator the structure and type of pneumatic control valve is composed of pneumatic actuators and valve two local, pneumatic actuators is collecting input source signal, the initiation of the corresponding thrust, displacement in the push rod, push the valve action; And valve is connected to the pipe body components locally, it embraces actuator putts thrust, change of Industrial Valves stem displacement, so the valve opening change, the stem changes of fluid flow. Sleeve valve sees fit and use balanced type valve core structure, has low noise unique place, is one of the valve is widely used. Q: stem back to the introduction of Marine valve pneumatic control valve in the road a: pneumatic control valve selection ordinary to execute thinking problem from the following aspects: 1) On the basis of process conditions, choose appropriate regulator structure and type. 2) According to the process object, choose the appropriate traffic special properties. Below for the above 4 points to narrative analysis. In high pressure, high viscosity, containing suspended solids and granular things fluid can choose the Angle valve stem. 4) According to the technological requirements, selected materials and help device. 3) According to the process, parameter calculation flow coefficient, choose the valve diameter. Butterfly valve is suitable for use in heavy traffic, poor low pressure gas medium. High pressure valve is adapted to the high static pressure and pressure difference of media, but in a high-pressure errand mood condition, fluid material and scouring corrosion is serious, common to thinking problem of valve core and valve seat material, in order to increase its use fixed number of year of survival. Pneumatic control valve according to its process can be divided into straight travel and Angle running two kinds, according to the structure type of points through single-seat valve, pass-through two-seat valves, high pressure valve, Angle valve, the sleeve valve, diaphragm valve, butterfly valve, unfair rotary valve, etc. 。 The diaphragm valve is more suitable for use in strong acid, strong alkali corrosive medium stem. 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 valve, 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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