
HERZ Differential Pressure Controller – DZR Brass Body (4002 / 4202 Series)
Compact differential pressure controller with adjustable setpoint for small and medium systems.
The HERZ 4115 Series from HERZ Armaturen Rising Spindle Globe Valve is a DZR brass shut-off valve designed for hydronic heating and cooling applications. It features a rising spindle, EPDM sealing, and optional draining ports, ensuring easy system isolation and maintenance.
Made from dezincification-resistant brass (CC752S/CW602N), it resists corrosion in aggressive water conditions. With a pressure rating of PN20 and temperature range up to 110°C, the valve ensures reliable operation in both hot and cold-water systems.

Compact differential pressure controller with adjustable setpoint for small and medium systems.

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