8mm) and non-return valve Additionally they include Reed-switch unit with two floaters for low level and empty indication (switch mode adjustable NO or NC)

rain water and similar

In this operating mode

chemically resistant full-PTFE diaphragm

Inoltre le unità di iniezione standard includono:

tp 50 80 2 a f a bqbe ey2 99222008 8mm) and non-return valve AdditionallySingle stage, close coupled, volute pump with in line suction and discharge ports of identical diameter. The pump is of the top pull out design, i. e. the power head (motor, pump head and impeller) can be removed for maintenance or service while the pump housing remains in the pipework. The pump is fitted with an unbalanced rubber bellows seal. The shaft seal is according to EN 12756. Pipework connection is via PN 6 10 DIN flanges (EN 1092 2 and ISO