Anfield^® Series SMA and SMF Pressure Switches are versatile pressure switches suitable for many hydraulic and pneumatic applications. They utilize a proven piston/diaphragm design to provide excellent accuracy and high proof pressures with zero leakage. Various electrical terminations are available utilizing a high quality snap action micro switch. The SMA series is field adjustable while the SMF series is factory preset. Typical applications for the SMA and SMF series pressure switch are hydraulic system control, material handling equipment, lubrication systems, and garbage compactors.