
HERZ CAST IRON DOUBLE REGULATING & COMMISSIONING VALVES
Compact DZR brass fixed orifice valve for accurate flow regulation and measurement in HVAC 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 DZR brass fixed orifice valve for accurate flow regulation and measurement in HVAC systems

PN25 ductile iron flanged commissioning valve for high-pressure HVAC and process water systems

Forged brass 3-way mixing and diverting valve

Flanged cast iron double regulating and commissioning valve for hydronic balancing in large HVAC networks