Constructed with a sensitive elastic element and cast-aluminum housing, the Ashcroft DDS-Series high-static, low differential pressure switch controls differential pressures from 0/6 to 0/150 in. of water on pressure lines up to 1,500 psi. UL-listed NEMA 4 watertight and NEMA 7 explosion-proof versions are available, with a choice of electrical switches, wetted materials and set point options.

Ashcroft Inc.; 800-328-8258;