This innovative fire protection damper, crafted with precision, is equipped with a 70 fusible link. In the event of a fire, the fusible link activates, allowing the damper to close using natural gravitational force. Alternatively, the damper can be closed manually with a spring-assisted reset. For users with unique needs, an optional output signal device can be seamlessly integrated for enhanced functionality.
1. Automatic closure via temperature control 2. Convenient manual closure 3. Effortless manual reset 4. Shutdown activates a set of contact signals 5. For round air ducts with a diameter of 630mm or more, opt for a durable square or circular fire damper to ensure optimal safety.
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The valve Frame
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1.8mm thick steel plate
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temperature sensing element
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Meltable alloy,70 and 280
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bearing
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yellow copper
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the rated voltage
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DC24V±10%
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rated current
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0.7A±10%8MPa
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Micro switch
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AC380V3A
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Action torque
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0.98~6.9N.m.
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hot water resistance
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4.19~22.70
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electromagnet suction
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1.5kg~2.5kg
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Our product is safely encased in a robust, seaworthy plywood box reinforced with a steel belt for added protection. Designed to maximize space efficiency, our packaging ensures optimal container loading, safeguarding your investment during transit.
Enjoy peace of mind with our comprehensive one-year guarantee. Should an issue arise, our skilled technicians will promptly diagnose the problem based on client feedback. We are committed to quality, offering free replacement parts if any defects are traced back to manufacturing faults.
Dezhou Linghao Refrigeration Equipment Co., Ltd. is a comprehensive high-tech industry integrating scientific research, design, production and sales. The company was founded in March 2015, located in Dezhou City, Shandong Province, with a regist
The main products of the company are ventilation equipment, fresh air equipment, mechanical and electrical equipment, fire exhaust equipment, water tank, cooling tower and other central air conditioning systems, purification air conditioning systems and end supporting products.
Q: Are you factory or trade company?
A: We are manufacture.
Q: What's the guarantee, in case the breaks down?
A: The has one year s guarantee. If it breaks down, generally speaking, our technician will figure out what the problem may be, according to clients feedback. Parts will be replaced for free if the problems are caused by quality fault.
Q: How about the documents after shipment?
A: After shipment, we will send all original documents to you by DHL, including Packing List, Commercial Invoice, B/L, and other certificates as required.
Q: How long is the delivery time?
A: For standard less than 100m3, it would be 7-10 days;
For non-standard and customized according to client s specific requirements, it would be 15 to 30 days.
Q: How's the payment?
A: Telegraphic Transfer(T/T). L/C at sight.
Q: Do You Arrange Shipment For The Machines?
A: Yes, dear esteemed customers, for FOB or CIF price, we will arrange shipment for you. For EXW price, clients need to arrange shipment by themselves or their agents.
Q: How is the packing?
A: Solid Seaworthy plywood Box Package with Steel Belt Save space as much as possible for container loading.
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