Drain valve, non-return valve, PVC water check valve, 40mm inner diameter, DN32 (40mm inner diameter)

Description: The PVC backflow preventer is designed to prevent backflow into pipes. With an internal diameter of 40 mm (DN32), it is ideal for various plumbing applications, ensuring efficient flow without unwanted backflow. Technical Specifications: Internal Diameter: 40 mm; Type: Backflow Preventer; Material: PVC. Installation: The valve can be installed in the following two positions: Vertically; Horizontally (with specific conditions: 1. Ensure the valve is normally closed before installation; 2. The water outlet position must be slightly higher than the water inlet).