Q: electric fire damper material, and utility answer: electric fire damper material mainly divided into: high quality carbon steel, galvanized sheet. ( 1) daily in a normally open state, when the air temperature reaches 70 ℃, temperature sense agent amount observer, the valve closed; ( 2) But after DC24V power to close the valve; ( 3) Closed or manual reset manually; ( 4) 0 & 度; ~ 90, 度; Within the scope of Marine valve dynamic adjustable blade open degree ( External regulation) ; ( 5) The output signal, the valve closed can be interlocked with other fire prevention facilities. 。 Electric fire valve installed in the ventilation and air conditioning system to send and return air duct, daily in open conditions, fire smoke in the air when the pipe close when the temperature reached 70 degrees, and in a certain time internal energy satisfied with smoke and fire integrity of leakage, the utility of smoke proof. 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 Industrial Valves, gate valve, globe valve, check valve, relief valve, safety valve, Marine valve, oil valve, hydraulic control valve and other kinds of valves.
Most people who see a in operation for the first time are amazed at how well the resilient seal gate valve is managed.
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is something that has been around for a few decades now, enjoying it's heyday back in the os gate valve.