Bergamo Valve is a professional valve manufacturer with superior quality and can meet all kinds of technical requirements of customers.All products are manufactured in accordance with GB, Hb, API, BS, DIN, JIS and other standards. Our products are widely used in petrochemical, metallurgy, electric power, papermaking, pharmaceutical, construction and other industries fields.

The DBB ball valve is a valve with double shutoff, double shutoff and relief function. The valve with double shutoff and double cutoff and relief function is suitable for aviation kerosene, light oil, natural gas, liquefied gas, pipeline gas, chemical medium and other pipelines, as an ideal device to cut off the medium.

The key to the working principle of the valve with double shutoff, double shutoff and relief function is the action of the two sealing slides installed on the cock.

The valve has an automatic relief device (optional), after the valve is completely closed, it prevents abnormal pressure rise in the valve cavity and checks the effect of the valve. The valve switch indicator is synchronized with the switch position, which can accurately display the valve switch status.