Radial pressure gauge - M0301 manovacuometer filled with anti-vibration glycerin for boat engines, sealed pressure gauges for boilers or air conditioning systems. Sealed closure of the stainless steel box that prevents the entry of dust and liquids and provides IP65 protection. Bourdon-type mechanism in copper alloy, they are compatible with flanges and fastening rings for paneled installations. Pressure range between 0 and 1.6 in bars and a 1/4" BSP radial connection.