The HERZ HerzCON DN32 (1-4600-79) is the largest station in the HerzCON range, a pre-assembled valve station for air handling units and high-output fan coils. 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 0.333 to 1.667 L/s (1.20–6.00 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 110 mm pipe centre spacing, an Rp 1 1/4" inlet and a G 1 1/2" (DN40) 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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