Wika 1.5 type 113.13 100 psi gauge – 1/8 npt cbm plastic wika type 113.13 gauge is the ideal choice for o.e.m. And general industrial applications requiring an economical, liquid-filled pressure gauge. The glycerine fill liquid dampens the bourdon tube and reduces wear of the movement, extending gauge life. Typical applications of the type 113.13 include air compressors, hydraulic presses, pumps, marine engines, as well as other types of industrial hydraulic and pneumatic equipment. specifications: connection location: center back mount wetted parts: brass copper alloy case material: abs plastic case filling: liquid window type: ultrasonically welded window construction: acrylic