Series 12.000-13.000

Diaphragm or piston control valve 12.000-13.000

Description

Diaphragm or piston control valve

The diaphragm or piston-type, regulation valve operates as a continuous flow valve with a variable section. The flow is opened, shut-off and regulated by the means of the membrane supported and guided by the stem-bonnet-spring unit (version 12.000), or by the piston – V-port unit (series 13.000).
Suitable pilot circuits, installed on the body of the valve, allow all kinds of regulation. Due to its natural variation, it is possible to control the pressure upstream as well as downstream, and to regulate the flow, by monitoring the upstream and downstream pressure. Principal functions: Automatic ON-OFF control • Pressure regulation • Pressure relief sustaining • Level control • Flow control • Shut-off for excess flow These functions may be combined in a single valve. The valves are suitable for application in water plants, generally.
Available for PN 10, PN 16 and PN 25. Sizes DN 50-DN 150 of article 13.000 are available also in PN 40.

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