Gauge Valves of Stainless Steel are specifically designed to use for safe pressure gauge installation. The bleed or vent screw is used to vent the pressure with out opening the connections. Aptek Instrumentation Pvt. Ltd offers Gauge Valves of Stainless Steel. Aptek Instrumentation Pvt. Ltd is an ISO 9001: 2008 certified company manufacturing a wide range of Instrumentation valves, tube fittings, various Instrumentationÿaccessories. The products manufactured by the company include 2,3,5 manifold Valves, Low, High Pressure Ball Valves, Instrumentation Ball Valves, Mono-flange instrumentation valves, Needle Valves, Gauge Valves, Instrumentation Tube Fittings, Instrumentation Pipe Fittings, Pressure Gauge Accessories, Thermo wells, pressure gauge, Gauge bleed valve, Gauge vent valve, Multi port Gauge valve, Forged Body Gauge valve etc. Gauge Valves of Stainless Steel facilitates different positioning of the pressure gauge or pressure switch without disturbing the main line. One 1/2" male or female inlet and three 1/2" NPTF outlets ports are the standard configurationÿof any multi-port gauge valve.