HERZ Pressure Reducing Valve – Brass Diaphragm Type
Compact brass diaphragm pressure reducing valve for precise domestic water control
HERZ CAST IRON GATE VALVE
The HERZ 4113 DP Cast Iron Gate Valve from HERZ Armaturen is a robust, full-bore shut-off valve designed for use in heating, cooling, and water distribution systems.
Manufactured from cast iron (GG25) and featuring an EPDM-sealed wedge, this valve provides reliable isolation with minimal pressure loss. The valve complies with EN 1171 and BS 5150 design standards and comes with PN16 flanged connections per EN 1092-2.
Its durable epoxy-coated body ensures long-term corrosion resistance and stable operation in both hot and cold-water circuits.
- 🔹 Body / Bonnet: Cast iron (GG25)
- 🔹 Wedge: Ductile iron (GGG40) with rubber coating
- 🔹 Stem: Stainless steel
- 🔹 Gland: Brass CW617
- 🔹 Seal: EPDM gasket
- 🔹 Connection: Flanged (EN 1092-2)
- 🔹 Pressure Rating: PN16
- 🔹 Temperature Range: -10°C to +110°C
- 🔹 Applicable Media: Hot and cold water, 25–50% glycol mixtures
- 🔹 Coating: Epoxy, blue RAL 5000
- 🔹 Design Standards: EN 1171 / BS 5150
- 🔹 Reliable shut-off for hydronic and water systems.
- 🔹 Full-bore design minimizes flow resistance.
- 🔹 Corrosion-protected coating for long service life.
- 🔹 Suitable for both heating and cooling circuits.
- 🔹 Compliant with European design and safety standards.
- 🔹 Central HVAC systems.
- 🔹 Potable and service water lines (non-aggressive media).
- 🔹 District heating and cooling networks.
- 🔹 General shut-off duty in industrial and building systems.
Other Products From HERZ Armaturen
HERZ BRASS STRAINER
Forged brass strainer with stainless-steel mesh for protecting heating and water systems from debris
HERZ CAST IRON SWING CHECK VALVE
Flanged cast iron swing check valve for water and HVAC systems up to PN16.
HERZ CAST IRON DOUBLE REGULATING & COMMISSIONING VALVES
Compact DZR brass fixed orifice valve for accurate flow regulation and measurement in HVAC systems