
HERZ Differential Pressure Controller – DZR Brass Body (4002 / 4202 Series)
Compact differential pressure controller with adjustable setpoint for small and medium systems.
The HERZ 2622-1X Bronze Swing Check Valve from HERZ Armaturen is designed for preventing reverse flow in closed-loop systems such as heating, cooling, and plumbing installations.
Manufactured from bronze (CC491K), the valve ensures high corrosion resistance and operational reliability. Its self-acting disc design allows one-directional flow with minimal pressure loss.
The valve operates silently, requires no maintenance, and can be installed in horizontal or vertical positions. It is suitable for non-aggressive media including hot and cold water or compressed air.

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

Flanged cast iron globe valve with non-rising spindle for shut off in large HVAC circuits.

Cast iron flanged Y-strainer for large HVAC and water networks, PN16 rated

DZR brass gate valve for high-corrosion environments in HVAC and plumbing systems