Double pusher mechanical seal dual balanced according to standard API682, 4th edition for standard API610 or ASME B73.1; B73.2 pumps, cartridge mounted to be fitted on new pumps or retrofitting, high-efficiency internal circulating device.

• CB8T – CB8D
Cat. 1; Type A; Arr. 2/3CW-CW: double seal face-to-back with protected springs.
CB8T for non-pressurized buffer liquid.
CB8D for pressurized barrier liquid.

• BM6T – BM6D
Cat. 2&3; Type A; Arr. 2CW-CW/3CW-FB: double seal face-to-back with robust drive system for high stress.
BM6T for non-pressurized buffer liquid.
BM6D for pressurized barrier liquid.

• BM6B
Cat. 2&3; Type A; Conf. 3CW-BB: double seal back-to-back with robust drive system for high stress. Suitable for pressurized barrier liquid.