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1 inch union nut - internal thread crimped on both sides
1 Zoll ID 25 mm
Gewicht 1142 g
Due to its operating principle
die bewegt werden
Rückschlagventil 1 Zoll, Überdruckventil, Druckentlastung, Diesel Heizöl zahlwerk-wasser 1 inch union nut -Non return valve 1 inch, suction basket, pressure relief valve diesel heating oil This special non return valve has an integrated safety valve. You can see this in the detailed photos in the middle of the plastic axle. This allows for the release of possible overpressure, which can arise, for example, when the hose is exposed to sunlight. The dangerous overpressure is then discharged through the valve back into the tank from which the diesel heating
