Pressure Relief Valves

About S.M. Gauge Co Ltd Vacuum Gauges

We supply, repair and calibrate standard Vacuum Gauges and Absolute Pressure Gauges. All of our gauges can be custom made to suit your application, our dials can be scaled to suit any measuring units you require using our state of the art dialling system. The connections can also be machined to suit your exact specification.

There are two main types of vacuum gauges available: Vacuum Gauges are available in a variety of sizes, from 40mm diameter to 300mm and with a bottom or rear entry connection. They are used primary on applications that run at an operating pressure of between 0 (atmospheric pressure) and -30″Hg (inches mercury) Absolute Gauges are used to measure beyond the pressures of a standard Vacuum Gauge, they are supplied with a 100mm diameter face and are available in a variety of pressures.