HERZ DZR DRAIN VALVE
DZR brass drain and fill valve for heating and chilled water systems, PN25 rated
HERZ DZR BRASS GATE VALVE
The HERZ 4113 DZR Gate Valve from HERZ Armaturen is designed for applications where dezincification resistance is essential. Made from DZR brass (CW612N), it provides reliable performance in potable water and closed heating systems, even under chemically aggressive conditions.
It features a double-disc wedge design, EPDM sealing, and non-rising spindle, ensuring smooth shut-off and long service life.
- 🔹 Body: DZR copper alloy (CW612N)
- 🔹 Upper Part: DZR copper alloy
- 🔹 Handwheel: Coated steel
- 🔹 Seal: EPDM
- 🔹 Connection: ISO 7-1 Rp threaded ends
- 🔹 Nominal Pressure: 20 bar
- 🔹 Temperature Range: -20°C to +120°C
- 🔹 Design Standards: EN 12288 / BS 5154
- 🔹 Medium: Water and glycol mixtures (25–50%)
- 🔹 Dezincification-resistant alloy for extended durability.
- 🔹 EPDM sealing ensures tight shut-off.
- 🔹 Compact design suitable for confined installations.
- 🔹 Maintenance-free non-rising spindle.
- 🔹 Suitable for aggressive or treated water environments.
- 🔹 HVAC heating and cooling circuits.
- 🔹 Potable water systems.
- 🔹 Corrosion-prone water networks.
- 🔹 Industrial process and utility lines.
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