PP Duct Airflow and Dampers

Airflow control devices regulate volume, stop backflow and protect duct terminations in PP ventilation systems. XICHENG manufactures injection-moulded PP and PVC dampers and terminal fittings – manual and electric air damper valves, back draft dampers and rain caps – for round duct from φ63-600mm plus custom sizes.

Airflow Products

Manual Air Damper Valve – hand-adjusted airflow volume control, φ63-500mm

Electric Air Damper Valve – actuator-driven damper for remote or automatic control, φ110-550mm

PP Back Draft Damper – automatic one-way valve that stops reverse airflow

PP Duct Rain Cap – weather protection at the duct termination

Specifications

Dampers and rain caps are injection moulded in PP or PVC, resisting acids and alkalis across pH 1-14 with working temperature limits that follow the selected material grade. They join the duct run by hot air welding with socket connection reinforcement, and custom sizes are made to order.

Quality and Factory Support

XICHENG EP LTD manufactures airflow and damper products under ISO9001 and ISO14001 management systems with RoHS-compliant materials. Send your duct diameter, material grade and control requirements for a quotation.