In the pipeline medium counter-current, power outages, accident very conditions, such as at the valve to close, the boat with the valve closing time at 0. 5 seconds. 4, heeling Angle seat tightly closed surface, detract from closing time, slow down the impact, try our best to take care of itself and the pipeline safety facilities. 3, disc preset a petition for the rocker arm and valve stem flow, can with the valve tightly closed surface from the rightness, safeguard tightly closed surface. 6, streamline body cavity sees fit and use the preset, smooth smooth experienced big, reduce the resistance of the valve. Extraction flue check valve's unique place 1, default to make acceptance scale using ANSIB16 sees fit. 34, E101 or JB/T3595, strength and tightly closed function requirements, absolute accord with scale under the vacuum condition of the fire valve of vacuum, the whole machine of fixed number of year of survival to meet user requirements. 9, the closure member to open sets limit mechanism, prevent open a lead to destruction. 2, be aimed at different temperature, think that the main and appropriate use of carbon steel or high temperature steel, cemented carbide surfacing tightly closed surface. Extraction under flue check valve is mainly used in 600 mw thermal power turbine extraction system, to avoid the media or water flow, to try to shut gestures such as turbine pump treatment to take care of the utility. 5, the valve is equipped with damping weight, can be balanced closed kinetic moment, avoid the happening of not hammer. 。 7, for the spring return type actuator cylinder or hydraulic cylinder, and with the valve closure member are relatively independent, actuator failure does not affect the closure action. 10, actuator is equipped with a valve switch believe number for output, valve open position on the ordering. 8, cylinder hydraulic cylinder wall coating wear-resisting corrosion resistant layer, can increase the survival of the fixed number of year, slow motion resistance, make the valves are flexible and reliable. 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 Industrial Valves, check valve, relief valve, safety valve, Marine Industrial Valves, oil valve, hydraulic control valve and other kinds of valves.
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