
HERZ CAST IRON DOUBLE DOOR (DUAL PLATE) CHECK VALVE
Compact wafer-type dual-plate check valve for flanged pipelines in HVAC and water systems
The HERZ 4111 fromย HERZ Armaturen Ductile Iron Strainer provides reliable debris filtration for high-pressure water and hydronic systems. Built from ductile iron (EN GJS 500-7) with a stainless-steel screen (AISI 304) and EPDM/NBR O-rings, it offers superior strength and corrosion resistance.
Its PN16 flanged design ensures compatibility with industrial and HVAC pipework. Powder epoxy coating provides extended service life in challenging environments.

Compact wafer-type dual-plate check valve for flanged pipelines in HVAC and water systems

Smart digital thermostats for precise temperature and fan control in HVAC and fan coil systems.

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

DZR brass 2-way control ball valve for hydronic and HVAC applications