
HERZ DZR AIR VENT
Automatic DZR brass air vent for bleeding air from heating and cooling 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.

Automatic DZR brass air vent for bleeding air from heating and cooling systems.

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

The HERZ DZR SMART PICV (4006/4206 SMART Series) with Three Test Points

Ductile iron lever-operated lug-type butterfly valve for HVAC and water applications.