Water Gauge, Body Material Bronze, Gauge Glass Diameter 3/4 in, Gauge Glass Length 16 in, Center to Center Length 17 1/4 in, Media Temperature - Maximum 400 Degrees F, Gasket Material EPDM, Connection Type NPT, Compatible Pipe Size 3/4 in, Number of Guard Rods 2, Valve Type Needle Drain, Operating Pressure - Maximum 200 psig, Stem Packing Material TFE, Standards CRN Registered OF6616.5C