DN20BS plastic float valve is the self lock(autolock) valve.
It can be used on the water tank, livestock&poultry,
cistern tank, aquariums, gardening, etc.
The valve is green and will not get rust.
In order to keep the high quality and long lifetime, all of the valves of the our company are made of the raw material, and pass the variety of test with the certificate.
This DN20BS can be both horizontal and vertical installed;
And the nut on the arm can be adjusted to set the target water level.
