When a power failure, you could manually close the valve, and through this indicator window, you could see the valve position.
COVNA Valve is normally IP65 weatherproof, but IP68 waterproof and Explosion-proof are also optional.

If you want more information about product selection, please contact us directly or visit our website. Thank you for watching our video.

www.china-covna.com
info@covna-pneumatic.com