Materials
- Body and bonnet: cast iron GG25.
- Filter: stainless steel AISI 304 with stainless steel reinforcing frame.
- Gasket: Klingerit.
- Plug: steel St37 with copper plug gasket.
Flanged Y-Strainer
HERZ 4111 Cast Iron Y-Strainer
4111 Series — Cast Iron PN16, DN65–DN400
HERZ 4111 Cast Iron Y-Strainer from HERZ Armaturen is a flanged PN16 strainer with a GG25 body and AISI 304 screen that protects valves and pumps in HVAC and water networks up to 110°C, DN65 to DN400.
Manufactured by
HERZ Armaturen
HERZ 4111 Cast Iron Y-Strainer
Review the confirmed product information, including description, features, benefits, and applications.
The HERZ 4111 Cast Iron Y-Strainer from HERZ Armaturen is a flanged inline filter that protects valves, pumps and other components from debris in water and hydronic circuits.
It is manufactured from cast iron (GG25) with a stainless steel screen (AISI 304) and Klingerit gasket, and operates up to 110°C at PN16. The design allows easy cleaning while maintaining system efficiency.
Its flanges conform to EN 1092-2, and the body is painted blue RAL 5000 for corrosion protection.
Pressure & Temperature
- Pressure rating: PN16.
- Temperature range: -10°C to +110°C.
- Medium: hot and cold water; glycol mixtures of 25–50%. Not for acids or flammable fluids.
Connection & Sizes
- Flanged ends to EN 1092-2.
- Sizes DN65 to DN400.
- Kvs values from 70 to 3,645.
Mesh & Coating
- Mesh sizes: 600 µm or 1,500 µm.
- Painted blue RAL 5000.
Large Circuit Duty
Durable design for large hydronic circuits.
High Flow Capacity
High flow capacity with low pressure loss.
Easy Maintenance
Simple screen removal for maintenance and inspection.
Corrosion Protection
Coated body for hot and cold water systems.
HERZ 4111 cast iron Y-strainers protect components in large heating, cooling and water networks.
District Heating & Cooling
District heating and cooling systems.
HVAC Networks
HVAC hot and chilled water networks.
Water Distribution & Pump Stations
Water distribution and pump stations.
Industrial Process Systems
Industrial process systems.
Need support with this strainer?
Share your required DN size, system medium, operating pressure and temperature, and our MEP team will support you with the suitable product information.
Other Products in Strainers
Explore other products available within the same product category and open each page for complete technical details.
HERZ 4111 Ductile Iron Y-Strainer
View confirmed product details and technical information for HERZ 4111 Ductile Iron Y-Strainer.
HERZ 2662 Bronze Strainer
View confirmed product details and technical information for HERZ 2662 Bronze Strainer.
HERZ 2662 Brass Strainer
View confirmed product details and technical information for HERZ 2662 Brass Strainer.