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Modular FRL Series 1700 Steel line - Size 3 Ordering code Regulators S V 173 C R G T O VERSION Ch. 17 C 172.5 G G1/2” 1/4” - 1/2” NPT Connections IN/OUT 76.5 22 Ch. 17 14.5 T 53 M6 N°2 Front holes N°2 Rear holes O 1/8” NPT Pressure gauge connection 71 F = Clean profile CONNECTIONS A = 1/4” NPT B = 1/2” NPT D = G1/2” PRESSURE RANGE A = 0-2 bar B = 0-4 bar C = 0-8 bar D = 0-12 bar TYPE = Standard* N = Without relieving OPTIONS = Standard* L= Low temperature Z = Low temperature (-60 °C) H= High temperature EF= EPDM-FDA 71 Construction characteristics Technical characteristics - Body, adjust. mechanism, AISI 316L stainless steel and caseback inter. components Maximum inlet pressure (standard version) - AISI 316 stainless steel adjustment springs. Temperature (standard version) -30 °C +80 °C - Fixing screws, adjustment screws and locknut in A4 (AISI 316) stainless steel. Temperature (low temperature version) -50 °C +80 °C Temperature (low temperature version -60°C) -60 °C +80 °C - Pressure regulator diaphragm with over-pressure drain (Relieving). - Low hysteresis rolling diaphragm. - Balanced system. 20 bar Temperature (high temperature version) -5 °C +150 °C Temperature (EPDM-FDA version) -40 °C +100 °C 1/8” NPT Note Pressure gauge connections The pressure must be always regulating while increasing. For a more precise regulation Weight 1830 (gr.) Assembly position Indifferent and higher sensibility, the use of a regulator with a pressure range as close as possible to the regulated pressure is recommended. Flow rate chart Inlet pressure 10 bar - Reg. 0-12 bar 7 1/2” NPT - G1/2" 1/4” NPT - G1/4" Downstream pressure (bar) 6 5 4 3 2 1 0 0 1000 2000 3000 Flow rate [dm³/min] (ANR) 4000 5000 60 Inlet pressure (bar) Reg. 0-12 bar Pressure regulator Stainless steel line have been designed to withstand a 60 Bar maximum inlet pressure. Maximum regulated outlet pressure is 20 Bar. For performance details please refer to diagram alongside. 50 Reg. 0-4 bar 40 30 Reg. 0-8 bar 20 Reg. 0-2 bar 0 1 2 2 * no additional letter required 3 4 5 6 7 8 9 10 11 12 13 Max. regulated pressure (bar) Overall dimensions and technical information are provided solely for informative purposes and may be modified without notice 2 | 165 Air Service UnitS 91 28.5 1/8” NPT Connection relieving V S = Standard surface finishing
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