With large diameter sized entrance and path to permit particles and rust, no accumulation will occur in dead corners.
Aluminium alloy casting with special anti-corrosion treatment and then coated with high quality baking varnish can withstand acid and base without any corrosion occuring.
Large volume filtered dirt toring compartment can filter and store more rust and dirt than other common automatic drain valve.
Water collecting bowl, made of optical class transparent plastic material, will not rupture.
Implanted stainless rod for float will never slip off.
Large size float has more bouyancy and is more sensitive tocontrol.
Large size water collecting bowl can store and drain more water thus reduce the draining time and increase the service life of automatic drain valve.
Leakage proof ring, made of high quality VITON rubber, can endure abrasion without leakage. Its service time is ten times longer than NBR rubber.