
Valves Piston Type Slow Closing Check Valve DN200 16 Wcb for Flow Control Chemical Industry. Triple Offset Structure: Optimal face-to-face length reduces flow resistance and eliminates pressure surge. Buffer Damper Design: External installation prevents medium pollution; ensures smooth, vibration-free operation. Adjustable Closing Speed: Two-step closing: rapid then slow. Slow speed is adjustable for specific conditions. Metal to Metal Sealing: Perfect sealing performance with no leaking, ensuring high reliability. Wide Material Options: Available in Cast Iron, Ductile Iron, Cast Steel, and Stainless Steel. Low Opening Pressure: Opening pressure is <=0.08Mpa for quick and efficient response. Compact and Lightweight: Small size and light weight with compact structure for easy maintenance. Customization Available: Supports customization from samples, designs, and full customization options.