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All data are considered to be unbinding reference values. We accept no liability for data selection that is not confirmed in writing. Pressure data refer, if not otherwise indicated, to liquids of Group II at +20°C. 6 Precision pressure regulators 1400 2800 4200 5600 7000 0 p2 [bar] p1 = 10 bar Q n [l/ m i n ] 2 4 6 8 FDRi 03 (0.05 - 10 bar) Application: A remote controlled pressure regulator is used, when high flow rates are required with a constant pressure. The pressure regulator can also be used at inaccessible locations (e.g. in hazardous or ceiling areas). The setting is made using a pilot pressure regulator that can be placed anywhere. The regulated pressure corresponds to the pressure of the remote control bore and is maintained with high precision. Version: Resettable (with large relieving system 3 / 8 “) Materials: Body: Zinc die-casting Z410, diaphragms and seals: NBR Temperature range: -35°C to max. +60°C Input pressure: Max. 16 bar Flow: 6500 l/min, relieving system: 800 l/min Own air consumption: 1.7 l/min at 6 bar output pressure Control accuracy: ± 2.5 mbar Pressure gauge connection: G 1 / 4 “ Media: Unoiled, finely filtered compressed air (5 µm), non-toxic and non-inflammable gases ATEX: Operating material without its own potential source of ignition in accordance with Directive 2014/34/EU Advantages: Ÿ Automatic venting in the event of overpressure on the secondary side through a large venting borehole (G 3 / 8 “) with up to 800 l/min Ÿ High flow at constant pressure. Ÿ Remote-controlled pressure regulation using pilot regulator (when using a precision pressure regu- lator as a pilot, it is possible to set the pressure very accurately). Ÿ Most precise pressure regulation regardless of the pre-pressure and flow performance Ÿ usable to -35°C Remote controlled precision pressure regulators (volume boosters) 6 500 l/min L H1 H Type Thread L H H1 Standard FDRi 03 G 1 / 2 “ 82 107 65.5 0.05 - 10 bar Special regulator with an adjustment knob for adjusting the offset up to +1 bar FDRi 03-1 G 1 / 2 “ 82 142 101 0.05 - 10 bar BW 30 BW 30 ü Recommendation: For best regulation results, please use the precision regulator with feedback connection Type DRF 31-7 FB type FDRi 03 L H1 H type FDRi 03-1 200 400 600 800 1000 0 2 4 6 8 p2 [bar] p1 = 10 bar Q n [l/ m i n ] flow venting Order accessories at the same time! Suitable pressure gauges can be found on page 372. Precision filter regulators 750 l/min 60 216 96 Application: Precision filter regulators are used to achieve an exact pressure - independently of the input pressure and the flow performance. They are used, for example, in control and regulation units in process engineering where a high level of pressure stability is required. The filter regulator can be used with “normal” filtered compressed air. Version: Resettable (with relieving system) Materials: Body: Zinc die-casting Z410, diaphragms and seals: NBR (non-ferrous metal free) Temperature range: -10°C to max. +60°C Input pressure: Max. 16 bar Flow: 750 l/min, relieving system: 30 l/min Own air consumption: 1 l/min Control accuracy: ± 7.5 mbar Pressure gauge connection: G 1 / 4 “ Condensate draining: Manual, pore widths in filter: 10 µm Media: Oiled and unoiled compressed air, non-toxic and non-flammable gases Advantages: Ÿ Automatic venting in the event of overpressure on the secondary side. Ÿ Precise pressure regulation regardless of the pre-pressure and flow performance Ÿ Robust design 8 6 4 2 0 200 400 600 800 Qn l/min p [bar] 0,1 - 3 bar p = 8 bar 1000 ü Type Thread LRN 14-2 G 1 / 4 “ 0.1 - 2 bar LRN 14-3 G 1 / 4 “ 0.1 - 3 bar LRN 14-5 G 1 / 4 “ 0.2 - 5 bar W LRN W LRN W LRN Order accessories at the same time! Suitable pressure gauges can be found on page 372. Wear part set LRN 14-REP LRN 14-REP LRN 14-REP Digital and precision pressure gauge from page 381 Tube cutters on page 595 2/2, 3/2 directional val- ves of brass or stainless steel from page 404 Mounting bracket Pressure regula. range Mount. bracket Pressure regula. range Electronic pressure switches from page 391 348 APH Techniek BV - Wateringen - T +31 (0)174 219 200 - sales@aphtechniek.nl - www.aphtechniek.nl