Offering extremely high flow rates, this electro-hydraulically operated Watts Industries Black Teknigas Powerseat Eco family gas safety shut-off valve is supplied with 100mm connections, removable strainer and a range of switching options. Providing on-off general and safety control of low pressure combustible gases, air and oil, this shut-off valve is suitable for use with 1st (town gas), 2nd (natural gas) and 3rd (LPG) families and offers compatibility with oil with a viscosity of up to 200 seconds Redwood.