
HERZ Rubber Expansion Joint (FS 220 Series)
Flexible EPDM rubber expansion joint for vibration and movement absorption in pipelines.
The HERZ F4037 from HERZ Armaturen is a robust cast iron flanged 3-way valve engineered for mixing or diverting water in central HVAC and industrial systems. With PN16 pressure rating and compatibility with HERZ actuators, it delivers reliable, linear flow control in high-capacity circuits. It is ideal for use in injections, throttle, or distribution configurations within heating and cooling networks.

Flexible EPDM rubber expansion joint for vibration and movement absorption in pipelines.

Cast iron 3-way flanged valve for mixing and diverting in large hydronic systems

High-pressure stainless steel flexible connector with EPDM insulation and carbon steel ends.