
Heavy Duty Pneumatic Control Dump Truck Construction Machinery Air Operated Valve. Wide Temperature Range: Operates effectively from -20 to +80 degrees Celsius. Durable Cast Iron Material: Constructed with high-strength Cast Iron 450 for heavy-duty use. Precise Pressure Control: Air pressure control range of 0.6 to 1 MPa for stable performance. Proportional Speed Control: Enables controlled lowering speed via proportional manual valve handle. Mid-Stop Suspension: Allows cylinder suspension at mid-stop position during lift or descent. Deceleration Function: Features adjustable deceleration control handle for smooth operation. IATF 16949 Certified: Manufacturing process strictly follows IATF 16949:2016 quality standards. High Production Capacity: Capable of producing up to 100,000 units with advanced testing units.