HERZ DZR NON-RISING SPINDLE (NRS) GLOBE VALVE

The HERZ STRÖMAX-D (4125 Series) from HERZ Armaturen is a non-rising spindle globe valve designed for easy installation and space-limited systems. Constructed from casted DZR brass (CC752S), it offers high resistance to dezincification and corrosion.

Its double O-ring spindle seal and EPDM seat ensure long-term tightness, while the optional drain ports allow convenient system servicing. It operates up to 20 bar and 110°C, suitable for heating, cooling, and domestic water circuits.

  • 🔹 Body: DZR brass (CC752S)
  • 🔹 Upper Part / Cone: DZR brass (CW602N)
  • 🔹 Spindle: Brass CW617N
  • 🔹 Seal: EPDM
  • 🔹 Handwheel: Polyamide, red
  • 🔹 Connection: BSP female threads
  • 🔹 Nominal Pressure: PN20
  • 🔹 Operating Temperature: -10°C to +110°C
  • 🔹 Differential Pressure (Closed): 10 bar
  • 🔹 Flow Direction: Indicated on body
  • 🔹 Non-rising spindle ideal for confined spaces.
  • 🔹 DZR brass body ensures long-term corrosion protection.
  • 🔹 Double O-ring sealing for maintenance-free operation.
  • 🔹 Optional draining feature simplifies commissioning.
  • 🔹 Compact and durable construction.
  • 🔹 Heating and cooling distribution lines.
  • 🔹 Branch isolation in hydronic systems.
  • 🔹 Building services and domestic hot water systems.
  • 🔹 General shut-off applications in HVAC networks.
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