VCD Volume Control Damper Multi-Leaf Duct Air Volume Regulator Low Leakage HVAC Damper

VCD Volume Control Damper Multi-Leaf Duct Air Volume Regulator Low Leakage HVAC Damper. Low Leakage Performance: Conforms to EN 1751 Class C, with optional Class 3 compliance for strict sealing needs. Explosion-Proof Certification: Certified ATEX for safe operation in hazardous environments. Versatile Duct Compatibility: Suitable for square, rectangular, circular, and flat oval ducting configurations. Multiple Blade Options: Available in parallel blade (standard) or opposed blade (optional) arrangements. Customizable Seal Material: Standard silicone seals with optional PVC rubber or silicon-free sealant upon request. Flexible Actuation: Supports on/off, modulating, and explosion-proof actuator types.