< 150 psi
Plast-O-Matic SWT Plastic Pressure Switch
Plast-o-matic® type SWT thermoplastic pressure switches have a corrosion resistant design with no wetted metals or elastomers. They can be used to activate or deactivate equipment when pressure in a piping system either rises or falls to a set pressure. They feature a PTFE diaphragm, NEMA 4X design with patented Fail-Dry®. The switch is UL recognized and CSA approved with three terminals. One is common, one is normally open, and one is normally closed.