DUNGS FRM - Medium Pressure Regulator DN 25-DN 50

[{"filename":"frm-dn25-dn50_datasheet_en_270440.pdf","text":"FRM\nMedium Pressure Regulator\n\n\n\n Medium pressure regulator Type FRM\n\n Direct acting pressure regulator with\n adjustable setpoint springs and modular\n mounted safety shutoff valve (SAV)\n\n In compliance with EN 334 and EN 14382\n\n\n\n • Inlet pressures up to 20 bar (2 000 kPa)\n • High flow rate\n • Stable, accurate and sensitive regulation of the outlet pressure\n • Admission pressure compensation diaphragm for a high\n regulation accuracy\n • External impulse\n • Maintenance-friendly\n • Flange connection according to DN 25 - DN 50\n\n\n\n\nFRM Ÿ Edition 03.26 Ÿ 270 440 1 ... 32\n\fTable of contents FRM\n\n Application\t\t\t\t\t\t 3\n\n Approval\t\t\t\t\t\t 3\n\n Technical data\t\t\t\t\t\t4 + 5\n\n Pressure taps\t\t\t\t\t\t 6\n\n Nomenclature\t\t\t\t\t\t7\n\n Adjustment range\t\t\t\t\t 8+9\n\n Selection of regulator springs\t\t\t\t 10\n\n\n Selection of SAV springs \t\t\t 11 + 12\n\n Dimensions \t\t\t\t 13 + 14\n\n Function\t\t\t\t\t\t15\n\n Sectional drawing FRM/SAV\t\t\t\t 15 + 16\n\n Device selection / Flow rate tables\t\t\t 17 - 29\t\t\n\n Contact details\t\t\t\t\t\t32\n\n\n\n\nFRM Ÿ Edition 03.26 Ÿ 270 440 2 ... 32\n\fFRM Application Approval\nSpring-loaded, pressure com- Pressure regulation of industrial gas\npensating regulator with adjusta- EC type testing certificate as per:\n burners and gas heating appliances.\nble setpoint springs for regulation Also for installation in the municipal • EC-Pressure Equipment Directive\nof the regulator outlet pressure. and commercial gas supply.\nExternal impulse of the regulator\noutlet pressure. Suitable for gases of gas families\n 1, 2, 3 and other neutral gases.\n\n\n\n\nFRM Ÿ Edition 03.26 Ÿ 270 440 3 ... 32\n\fTechnical Data FRM Spring-loaded medium pressure regulator in compliance with EN334\n Type FRM 100... IS (integral strength range) / FRM 250... DS (differential strength range)\n\n Type of gas Family 1+2+3 (e.g. manufactured gas (town gas), commercial grade natural gas and\n commercial grade LPG gases in the vaporized phase).\n\n Nominal diameters Connecting flange PN 25 according to EN1092-1or ANSI class 150 per B 16.5\n Flanges DN 25 40 50 NPS 1\" 1.5\" 2\"\n\n Max. inlet pressure FRM 100... 10 bar (145 PSI /1 000 kPa) / FRM 250... 20 bar (290 PSI / 2 000 kPa)\n\n Outlet pressure range 30 mbar up to 4 000 mbar (3 - 400 kPa) / 12 to 1 606 \"W.C. (0.4 - 58 PSI)\n\n Minimum inlet pressure (ND) 200 mbar (20 kPa) / 80 \"W.C. (2.9 PSI)\n\n Minimum inlet pressure (MD) 300 mbar (30 kPa) / 120 \"W.C. (4.3 PSI)\n\n Minimum inlet pressure (HD) 750 mbar (75 kPa) / 301 \"W.C. (10.9 PSI)\n\n Minimum inlet pressure (UHD) 1 500 mbar (150 kPa) / 600 \"W.C. (21 PSI)\n\n Accuracy class up to AC 5 (see adjustment range, page 3)\n\n Lock-up pressure class up to SG 10 (see adjustment range, page 3)\n\n Failure mode (diaphram rupture) fail-open\n\n Materials Main body housing: cast iron GJS 400 -15 (GJS 400 - 18 LT on request)\n Diaphragm housing: steel\n Diaphragms:\t\t NBR\n\n Ambient temperature -20 °C to + 60 °C / -4 °F to + 140 °F\n\nFRM Ÿ Edition 03.26 Ÿ 270 440 4 ... 32\n\fTechnical Data SAV Safety shut-off valve in compliance with EN14382\n\n Type SAV 100... IS (integral strength range) /\n SAV 250... DS (differential strength range)\n\n Response time <2s\n\n Lower adjustment range Wdu 10 mbar up to 3 000 mbar (1 - 300 kPa) / 4 to 1 200 \"W.C. (0.3 - 43 PSI)\n\n Upper adjustment range Wdo 60 mbar up to 5 000 mbar (6 - 500 kPa) / 24 to 2 005 \"W.C. (0.9 - 72 PSI)\n\n Materials Main body housing: cast iron GJS 400 -15 (GJS 400 - 18 LT on request)\n Diaphragm housing: aluminium\n Diaphragms:\t\t NBR\n\n\n\n\nFRM Ÿ Edition 03.26 Ÿ 270 440 5 ... 32\n\fPressure taps\n\n\n 1 Vent line connection of the regulator,\n G 1/2 ISO 228\n\n 2 External impulse line connection of the\n regulator, Ermeto screw connection\n GE 12- 1/2 for tubes 12 x 1.5\n\n 3 External impulse line connection of the\n SAV, Ermeto screw connection\n GE 12- 1/4 for tubes 12 x 1.5\n 1\n 4 Vent line connection of the SAV,\n G 1/4 ISO 228\n\n\n Only for US/CDN Versions:\n 2\n 1 1/2 \" NTP adapter\n 2 1/2 \" elbow connector for 1/2 \" tubes\n 3 1/4 \" straight connector for 1/2 \" tubes\n 4 1/4 \" NPT adapter\n 3\n\n 4\n\n\n\n\nFRM Ÿ Edition 03.26 Ÿ 270 440 6 ... 32\n\fNomenclature\n\n Example FRM 100 025 ND SAV ND\n FRM 100025 ND / SAV ND\n Type Spring-loaded medium pressure regulator\n Maximum operating pressure 100 … 10 000 mbar (1 000 kPa)\n MOP 4 018 \"W.C. (145 PSI)\n 250... 20 000 mbar (2 000 kPa)\n 8 360 \"W.C. (290 PSI)\n Nominal diameter 025 DN 25 (1\")\n 040 DN 40 (11/2\")\n 050 DN 50 (2\")\n Pressure range, outlet pressure ND Low pressure\n MD Medium pressure\n HD High pressure\n\n UHD Ultra high pressure\n\n Safety device SAV Integrated safety shutoff valve\n Pressure range, trip pressure ND Low pressure\n MD Medium pressure\n HD High pressure\n UHD Ultra high pressure\n Flange type with standard PN-25\n ANSI with ANSI Class 150\n\n\n\nFRM Ÿ Edition 03.26 Ÿ 270 440 7 ... 32\n\fAdjustment range\n\n Type Connec- Ver- Accuracy Lock-up Outlet pressure Lower tripping Upper tripping\n tion sion class* [AC] pressure range Wd point SAV point SAV\n class* [SG]\n Wdu Wdo\n\n 30 - 100 mbar\n FRM 100025 ND DN 25 ND AC 10 SG 20\n 12 - 40 \"W.C.\n 90 - 420 mbar\n FRM 100025 MD DN 25 MD AC 5/10** SG 10/20**\n 36 - 168 \"W.C.\n\n 400 - 1 500 mbar\n…