Hvac Ductwork Manual Regulation Air Volume Control Damper

Hvac Ductwork Manual Regulation Air Volume Control DamperProduct DescriptionIntroduction It can be made as request or coordinate with the duct sizes. Round, Square, Rectangular Rectangular: 210mm, round square: 290mm, 210mm, 18mm, special as request2mm steel sheet, Cold rolling forming after welding, there are galvanized and carton steel1mm galvanized steel sheet, Cold rolled into corrugated shape and spot welding12x12 square shaft or 11.5 cold drawn round shaft.
14x13 Stamping connecting rod. All of them is 45# steel galvanized passivationBrass H62Normal type below 2%, Airtight type used special high temperature elastic rubber as seal material with very low air leakage.Single valve or combined some single valve to a bigger valve.-40~+95℃ or -50~+300℃35NmequalpercentageHand: various handle switches can be chosen.
Motorized: open/close, or modulating
SpecificationMain Components include Valve body, blade, axle, axle bushing, actuator.Valve body and blade are made from fine galvanized sheet with excellent surface, perfect non-corrosibility and long time product usage.The damper is Installed on air hose of the air ventilation system air hose to regulate the airflow and control velocity.There is no need refueling to guarantee permanent lubrication that both blade and connecting axle of rotation adopt to metallurgy axle sheet with oiled copper powder.size combing the air duct size.
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