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  4. HERZCON Smart PICV Valve Station - 4600 Series - DN25 - No Insulation Box
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HERZCON Smart PICV Valve Station - 4600 Series - DN25 - No Insulation Box

HERZCON Smart PICV Valve Station - 4600 Series - DN25 - No Insulation Box

PICV valve station for fan coil chilled/heating water flow control. DZR brass with insulation box, 65 mm centres, DN15–DN20, 0.007–0.556 L/s. Includes HERZ 4006 SMART PICV, ball valves, strainer and BSRIA BG29 flushing bypass. Actuators are an accessory product to suit different control signals.
Product Code:
N/A
Brand: Herz
Product Features:
  • Model with 90 mm pipe centre spacing
  • Enables processes such as regulation, flushing and isolation
  • Including bypass for flushing according to BSRIA BG29/2011
  • All components of dezincification-resistant brass
  • Suitable for heating and cooling systems
  • HERZ 4406 PICV
  • Multifunctional HERZ ball valve
  • HERZ strainer with HERZ draining valve 2512
  • Supplied without insulation box
  • Flow rate 0.183 - 0.917 L/s (0.66 - 3.30 m3/h)
  • max. operating temperature 130°C, min. operating temperature -20°C, max. operating pressure 25 bar.
  • DN25 model with 3 test points.
  • Drives, screw connections and compression adapters must be ordered separately.

NOTE: The outlet size will be the next step up compared to the inlet.

    • DN25 inlet (Rp 1") with DN32 outlet (G 1 1/4").
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The HERZ HerzCON DN25 (1-4600-78) is a pre-assembled valve station for connecting fan coil units and air handling units. It combines pressure independent flow control, isolation, strainer and flushing in one brass body, reducing installation time and the number of joints on site.

At its core is the HERZ 4406 pressure independent control valve (PICV), which holds a constant flow to the coil whatever the system pressure does. Flow can be preset from 0.183 to 0.917 L/s (0.66–3.30 m³/h), and three test points let you check the setting and the minimum differential pressure on commissioning. The integrated bypass allows system flushing to BSRIA BG29/2011 without passing dirty water through the coil, and the HERZ strainer with 2512 drain valve can be flushed and cleaned in place.

The station suits both heating and chilled water, so one unit covers both applications. It has 90 mm pipe centre spacing, an Rp 1" inlet and a G 1 1/4" (DN32) outlet, and is supplied without an insulation box. Drives, screw connections and compression adapters are ordered separately.

FlowQuip supplies HERZ products in New Zealand. For project pricing, actuator selection or sizing help, contact our team.

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