Válvula 3 / 4" F - 1" tuerca + válvula de retención - fijación con pasador De Dietrich 300028491

This valve features a 3/4-inch female connection and a 1-inch nut, combined with an integrated check valve and pin fixing mechanism. It is designed for use in boiler and burner systems where flow control and backflow prevention are required. The check valve ensures that media flows in only one direction, protecting equipment from reverse flow. The pin fixing allows for secure attachment to compatible components. This valve is a versatile spare part for heating equipment maintenance, offering both control and safety functions in a single unit.