37 Overall dimensions and technical information are provided solely for informative purposes and may be modified without notice PROCESS AUTOMATION TECHNOLOGY Air service units Series 1700 Steel line Process automation technology Catalogue Filter regulators Note The pressure must be always regulating while increasing. For a more precise regulation and higher sensibility, the use of a regulator with a pressure range as close as possible to the regulated pressure is recommended. Filter-pressure regulator diaphragm with over-pressure drain (Relieving) Body, adjustment mechanism, back plate and caseback internal components in AISI 316L stainless steel AISI 316 stainless steel adjustment springs Fixing screws, adjustment screw and locking nut in inox A4 (AISI 316) Clean profile versions available Filter cartridge available in AISI 316 stainless steel or HDPE Low hysteresis rolling diaphragm Balanced system Manual or automatic drain ATEX certification (II 2G or II 2D), SIL, EAC Technical characteristics Size Size 2 Size 3 Size 4 Type Rough finishing Clean profile (Bowl and adjustment mechanism) IN / OUT connections 1/4” NPT 3/8” NPT G1/4” 1/4” NPT 1/2” NPT G1/2” 3/4” NPT 1” NPT G1” Assembly configuration Stand alone Assembly position Vertical Filter pore size 5 µm 20 µm 50 µm Pressure range (bar) 0-2 0-4 0-8 0-12 0-2 0-4 0-7 0-10 Max. bowl capacity (cm3) 34 68 90 Condensation drain Manual Automatic Regulation Manual Pressure measurement 1/8” NPT pressure gauge connection port Operational characteristics Size Size 2 Size 3 Size 4 Size 2 Size 3 Size 4 Manual condensation drain Automatic condensation drain Maximum working pressure (bar) 20 (standard version) 16 (automatic drain version) 10 (reduced orifice automatic drain version) Minimum working pressure (bar) / 0,5 Working temperature (C°) -30 ... +80 (standard version) -50 ... +80 (low temperature L version) -60 ... +80 (low temperature version -60 °C Z) -5 ... +150 (lhigh temperature H version) -40 ... +100 (EPDM-FDA version) -35 ... +70 (automatic drain S version and reduced orifice automatic drain SR version) Weight Size Size 2 Size 3 Size 4 Standard version (g) 1492 2557 6253 Automatic drain version / Reduced orifice automatic drain version (g) 1579 2723 6290 1 2 1 2
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