The preventer has a housing screwed at a casing pipe of an underground hydrant, and a sleeve wall at an upper end of the housing, where the sleeve wall has bayonet claws for connecting the wall with a hose coupling or a standpipe. Screw bolts screw the housing with the casing pipe, and...
The preventer has a housing screwed at a casing pipe of an underground hydrant, and a sleeve wall at an upper end of the housing, where the sleeve wall has bayonet claws for connecting the wall with a hose coupling or a standpipe. Screw bolts screw the housing with the casing pipe, and...
A backflow preventer in a form of a ball (4) and a sealing hub (8) for the ball are arranged on an inner side of the housing. The ball is guided into a retainer (3) for vertical movements, and the sealing hub is horizontally designed at a lower end of the ball.LOSKE, DIRK...
A backflow preventer in a form of a ball (4) and a sealing hub (8) for the ball are arranged on an inner side of the housing. The ball is guided into a retainer (3) for vertical movements, and the sealing hub is horizontally designed at a lower end of the ball.LOSKE DIRK...