Fire valve actuator is a fusible metal chips and separator agencies to curb the rotation of the blade. Q: introduction to the structure and work principle of a fire valve: fire damper is installed in the ventilation and air conditioning system to send and return air duct, daily in open conditions, fire smoke when the pipe close degree of air temperature reaches 70 ℃, and in a certain time internal energy satisfied with smoke and fire integrity of leakage, utility valves smoke proof. 。 Actuator by shell, leaf adjusting mechanism, separator, temperature fuse, etc. As the name implies, fire dampers and smoke fire damper ( Hereinafter generally referred to as the fire damper) Is to block the smoke and flames from HuoZai District pass by, and in a certain time internal energy satisfied fire-proof safe sex and refractory integrity requirements of the Industrial Valves. When the air inside the pipe body temperature degree reaches the fusible metal melting temperature, fusible piece fuse, its core shaft compression spring and spring pin rapidly-changing lay a separator plate, separator and the adjusting mechanism for the blade release. Body is composed of shell, flanges, leaf and leaf linkage for structure, etc. Body actors dress up, there are two turning spring, make the blade subjected to torque and rotation. In this paper, the leakage air volume valve ring condition temperature experiment implemented the default and discussion. Fire damper is mainly composed of valve body, leaf, temperature sensor and actuator components. Smoke fire damper is refers to the mechanical smoke extraction system installed in the pipeline, everyday is open, a fire when the smoke exhaust pipe air temperature reaches 280 ℃ closed, Marine valve and in a certain time internal energy satisfied with smoke and fire integrity of leakage, utility valves smoke proof. Fire valve structure and the work mechanism is not complicated, following the closure of the dependable sex of the actuator and Industrial Valves leakage air volume is two key performance indicators (kpis). 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 Industrial Valves, oil valve, hydraulic control valve and other kinds of valves.
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