Backflow preventer The intermediate valve prevents backflow of the pumping media, e.g. when a pump is switched off. The housing is made of solid brass. With 33.3 mm (G 1") thread.
The intermediate valve prevents backflow of the pumping media, e.g. when a pump is switched off. The housing is made of solid brass. With 42 mm (G 1 1/4") thread.
The intermediate valve prevents backflow of the pumping media, e.g. when a pump is switched off. The housing is made of solid brass. With 26.5 mm (G 3/4") thread.