HERZ DZR NON-RISING SPINDLE (NRS) GLOBE VALVE
The HERZ STRÖMAX-D (4125 Series) 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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