Three, self-reliance type office principle is accused of media input valve flow control valve, valve chamber film under pressure P1 after stem line input before, after the throttle valve throttle pressure Ps membrane house on input, poor P1 and Ps delta Ps = P1 - namely Ps as work pressure. Second, the principle of self-reliance type temperature control valve office ( Cooling type) Cooling with self-reliance type temperature control valve office principle may refer to heating self-reliance type temperature control valve, just when the valve core devices in actuators and utility under the spring force open and close valves closed and temperature on the contrary, the body after a cold medium, mainly used in cooling device of temperature of the stem. The following is speaking at its office principle: a, self-reliance type temperature control valve office principle ( Heating type) Temperature control valve is based on the liquid can not be compressed and principle of heat bilges cold shrink the office. Heating self-reliance type temperature control valve, when the temperature of the controlled object is lower than the set temperature, the temperature inside the package liquid contraction, utility decrease the force on actuators push rod, the utility of the valve core components in the spring force the valve open, to increase the flow of steam and hot oil heating medium, the temperature rise of the object, and until the temperature reached set value of the object, and closed the valve, the Industrial Valves is turned off, the controlled temperature drops, the valve and open, the heating medium and to enter into the heat exchanger, and the temperature rise, so the temperature of the object as the eternal fixed value. 。 The valve opening size and the controlled object of the actual temperature and set temperature difference. When flowing through the valve of flow increase, the delta Ps increase, the final results into P1, Ps utility next, the film room, to make the valve core seat direction, thus changes the circulation between valve core and valve seat plane or the size of the object surface, increase of Ps, increase after Ps utility thrust and the spring force on the diaphragm and P1 utility on the diaphragm thrust in the new position to produce a lifetime value to curb the flow of the target. In contrast, in the same way. P1 the utility in the initiation of thrust on diaphragm and Ps utility initiation of thrust in diaphragm and spring force equilibrium, confirmed the relative position of valve core and valve seat, thus confirmed that flows through the Industrial Valves of the flow. Q: self-reliance type pressure regulating Marine valve manufacturing principle of answer: self-reliance type regulator is used to adjust industrial semi-automated processes in the field of stem medium flow rate, pressure, temperature, liquid level, etc. Craft parameter. Based on the curb the signal in the half automation system, semi-automatic adjust the opening of the valve, thus successfully medium flow rate, pressure, temperature and liquid level of the regulation. 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 Industrial Valves, relief valve, safety valve, Marine valve, oil valve, hydraulic control valve and other kinds of valves.
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