The piping installation self-reliance type flow valve stem is not so can see fit and use of variable flow operation standard style. Near end user and the remote user can not change as traffic and geometric changes ( In the parallel section, no matter what a section of the special number S values change, the nature of the resistance network with the change of the total number of special nature of the resistance, the total flow distribution ratio in each section is correspondingly change) 。 Self-reliance type flow valve stem is only suitable for use in the constant flow of quality control system. Self-reliance flow stem valve can only be suitable for use in the constant flow of quality control system. Q: Marine valve stem self-reliance type flow valve suitable for occasions of answer: flow valve stem is called 400 x flow stem valves, is a kind of right and use high precision guide form multifunctional valve stem flow. Suitable for use in water distribution to stem in pipeline flow and pressure, to maintain the prescribed flow unchanged, will limit excessive flow in a specified value in advance, and appropriate to the upstream pressure is reduced, even if the main Industrial Valves upstream of the pressure change, also won't affect the main valve downstream of the flow. The suitable dynamic hydrodynamic disorders will lead to network, the remote user can not meet the heat demand. So, whether it is still active variable flow on the user's network with hot objects to active variable flow of the heat supply network can be used for flow valve stem. Stem form is divided into semi-automatic and manual adjustment. The petition forms can be divided into flange and turnbuckle type; Welding type. So far many heating companies selected frequency, less pump, pump, pump, small pump to achieve variable flow operation, the heat-supply stem self-reliance type flow valve is used in the hydrodynamic equilibrium is not correct. When the system is implemented by hot objects to active variable flow control, or through other hand-eye ( Number of frequency conversion, loss circulation pump, in pulmonary circulation pump, etc. ) Reduce the system flow, the pipe network pressure will decrease, the proximal users because of the pressure decreases, flow valve semi-automatic valve core will be up, keeping the original flow fixed, eternal flow change only the remote user flow changes. When users active variable flow operation, the valve after a user demand flow, because self-reliance type flow stem limit valve, flow rate increase will not come; When the valve user requirements after the loss flow, the user will interfere with each other between self-reliance type flow valve stem became useless to only take water pump power valve. 。 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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