They use one lever on top of a broad cylindrical faucet body and you can operate them just by giving the lever a quarter turn.
Plastic disc in shower faucet vs ceramic.
The american standard ceramic disc valve used a pair of ceramic discs that rest against each other to control water flow.
Rohl waterstone california faucets kwc watermark grohe and hansgrohe have very nice faucets.
The discs are polished to near perfect flatness.
Repairing a single handle disk faucet.
Most single handle faucets from these brands will have ceramic discs encased in a hard not soft nylon plastic.
Luckily replacement is simple.
You can tell a ceramic disc faucet at a glance.
Ceramic disc valving is an innovative water control system found in each american standard faucet.
The temperature is controlled by a side to side rotation of the handle.
Ceramic disc faucets are much tougher better able to deal with extreme temperatures and can go for years without needing repairs or replacing.
Ceramic carbide is brittle and only becomes an issue if debris enters the line and gets lodged into one of the openings.
Two ceramic disks at the bottom of the chamber will raise and lower to control the volume of water flow.
It was a major breakthrough.
If the user applies extra pressure the disc may crack making the faucet inoperable.
These faucets are high quality very reliable and do not need repair very often.
After much experimentation and development the company received patent number us 3810602 a for a ceramic disc faucet dating from 1972.