FT Series Air Volume Control Damper - Exhaust Valve PY-1(SD) PY-5(SD). Ideal Usage: This advanced smoke exhaust valve is typically installed within the air ducts of sophisticated smoke exhaust systems, remaining closed until needed. In the event of a fire, the smoke sensor triggers an alarm, prompting the control center to send an electrical signal to the valve's electromagnet, ensuring rapid opening. Manual override is also available, allowing swift manual activation for smoke evacuation. Outstanding Features: Operating with a telecom signal of DC24V ±2.4V, the valve opens efficiently and can be reset manually. Post-activation, it provides an open signal output and seamlessly interlocks with other equipment as per user specifications. Important Note: This exhaust valve is designed without a temperature sensor, focusing on smoke evacuation.
Variations: Available in a selection of 3 distinct types, ensuring versatility to meet various needs.
the thickness of the valve body
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the rectangular valve is 210mm,and the square valve is 260mm.
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valve body frame
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2mm thick steel plate,cold rolled and welded.
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blade
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1.5mm thick galvanized sheet,cold rolled into corrugated shape,two pieces of spot welding.
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blade shaft and connecting rod
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1212 square shaft or 11.5 cold drawn round shaft,143 pressed connecting rod,all 45# steel galvanized passivation.
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Bearing
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yellow copper H62
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Leakage air volume
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less than 2%
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the use of temperature
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-40~+95 or -50~+300
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maximum torque allowed on blade shaft
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34nm
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drive way
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manual,electric
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Robust Packaging: Each unit is securely encased in a Solid Seaworthy Plywood Box Package, reinforced with a Steel Belt. Designed to optimize space, this packaging method maximizes container loading efficiency.
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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.