Technical features:

1. Manual closed multi-leaf split regulating valve is specially used in ventilation and air conditioning systems with high air leakage requirements.

2, directly installed on the duct to adjust the indoor air volume.

3. The adjusting mechanism is handle-type, and the valve angle can be adjusted by the handle in multiple gears, and the angle of five gears can be adjusted.

4. When the valve is closed, the air leakage meets the requirements of closed valve (JG/T436-2014 Building Ventilation air volume control valve).

Product features:

1. The outer frame and blades of the control valve are galvanized steel plates, and the blades are double-layer galvanized steel plates with silicone rubber sealing strips embedded at the top of the blades.

2. The bearing of the control valve is made of oil-containing copper powder metallurgy, which can be lubricated permanently without oiling and can withstand the high temperature of 200 C.

3. The blade shaft is medium 12 galvanized steel or stainless steel round steel.

4. When the width of the valve exceeds 1200MM in the w direction, the middle partition plate is added and the blades are separated to strengthen the valve.

5. Flange form: common plate flange, common plate flange welding, angle steel flange and flat iron flange.

6. The mechanism can choose handle type and turbine scroll bar.

7. The shell of explosion-proof valve is galvanized steel plate, and the blades are aluminum plate.