Solutions for pressure, temperature, force and level measurement, flow measurement, calibration and SF 6 gas solutions from WIKA are an integral component of our customers' business processes. This is why we consider ourselves to be not just suppliers of measurement components but rather more a competent partner that offers comprehensive solutions in close co-operation with our customers — customised and precisely designed products for the exact requirement. Back to overview. Pressure gauge cocks provide an economical way to shut off the flow of air to the pressure instrument, thereby allowing the instrument to be isolated from the pressure media or removed from service. WIKA Gauge Cocks are constructed from brass and are intended for use on air lines where leakage is not of concern.