HERZ DRV – DOUBLE REGULATING VALVE FLANGED CAST IRON PN16

AED 750.00AED 13,100.00

4218 GF STRÖMAX-circuit regulating valve in a flanged version is available in nominal sizes of DN 50 to DN 300. All HERZ valves are factory-equipped with test points, which can be upgraded with extended test points. The flanged upper parts of HERZ 4218 GF STRÖMAX are made of cast iron. The pre-setting marker is fastened as a tag above the valve or pipe. The setting of the respective valve is marked by cutting or breaking off the teeth at the figures for full and partial turns. This permit checking and/or restoration of the original presetting made on the occasion of the system set-up after servicing without having to rely on documentation.

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Description

Presetting
1. Set the hand wheel to the desired position (Digital display on handwheel)
2. Red numbers are 1/10 of turn, blue numbers are a full turn.
3. The presetting spindle is beneath the cover. The spindle can be adjusted with an 8mm screwdriver. To preset turn anti clockwise up to stop. The valve is now able to close and open back to the preset position. Replace the cover on the handwheel.
4. The pre-setting marker is fastened as a tag above the valve or pipe. The setting of the respective valve is marked by cutting or breaking off the teeth at the figures for full and partial turns. This permit checking and/or restoration of the original pre-setting made on the occasion of system set-up after servicing without having to rely on documentation.
The setting of flowrate is achieved with a measuring device referring to the flow charts. Please see the operating instructions from the measuring device.

Minimum operating temperature – 10 °C
Maximum operating temperature 110 °C
Maximum operating pressure 16 bar

Additional information

Size

100 mm (Model No : 1421849), 125 mm (Model No : 1421850), 150 mm (Model No : 1421851), 200 mm (Model No : 1421876), 250 mm (Model No : 1421877), 300 mm (Model No : 1421888), 65 mm (Model No : 1421847), 80 mm (Model No : 1421848)