Datasheet Content
[{"filename":"sav-dn65-dn80_datasheet_en_291415.pdf","text":"SAV\nSafety shut-off valve\n\n\n\n Safety shut-off valve SAV\n\n Direct acting shut-off device with adjustable\n setpoint springs for overpressure and\n underpressure monitoring\n\n In compliance with EN 14382\n\n\n\n • Input pressures up to 20 bar (2 000 kPa)\n • High capacity\n • Manual control\n • External impulse\n • Easy maintenance\n • Flange connections DN 65 - DN 80\n\n\n\n\nSAV DN 65-80 Edition 03.26 291 415 1 ... 14\n\fSAV Table of Contents\n\n Applications 3\n\n Certification 3\n\n Technical data 4\n\n Pressure taps 5\n\n Nomenclature 6\n\n Adjustment ranges 7\n\n Spring selection 8\n\n Dimensions 9\n\n Function 10\n\n SAV sectional drawing 10\n\n Device selection / flow tables 11-12\n\n Volume conversion 13\n\n Contact data 14\n\n\n\n\nSAV DN 65-80 Edition 03.26 291 415 2 ... 14\n\fSAV Applications Certification\nSpring-loaded, shut-off valve The safety valve closes on overpressure\nwith adjustable setpoint springs EC type-examination certificate according to:\n or on insufficient pressure in industrial\nfor limiting upper and lower and heating gas burners. It is also\noutput pressure. External valve installed in municipal and commercial EC Pressure Equipment Directive\npressure tap. gas supplies.\n\n It is suitable for gases of gas families\n 1, 2, 3 and other neutral gases.\n\n\n\n\nSAV DN 65-80 Edition 03.26 291 415 3 ... 14\n\fSAV technical data\n\n Safety shut-off valve according to EN 14382, class A\n Type SAV 100… IS (integral strength range) /\n SAV 250… DS (variable strength range)\n\n Type of gas Family 1+2+3\n\n Nominal diameters Connecting flanges PN 25 according to EN 1092-1 or ANSI 150 lbs (B16.5)\n Flanges DN 65 - DN 80\n\n Max. input pressure SAV 100… 10 bar (1 000 kPa) / SAV 250… 20 bar (2 000 kPa)*\n\n Response time <2s\n\n Lower adjustment range Wdu 35 mbar to 3 000 mbar (3.5-300 kPa)\n\n Upper adjustment range Wdo 180 mbar to 5 000 mbar (18-500 kPa)\n\n Materials Main housing:\t\t\t Cast iron GGG 50\n Diaphragm case:\t\t Aluminium\n Diaphragms:\t\t\t NBR\n\n Ambient temperature -20 °C to +60 °C\n\n\n\n\n *19 bar (1 900 kPa) with flanges ANSI 150\n\nSAV DN 65-80 Edition 03.26 291 415 4 ... 14\n\fPressure taps\n\n\n 1 Connection for the SAV's external\n pulse line, Ermeto screw connection\n GE 12 - ½ for pipes 12x1.5\n\n 2 SAV vent line connection,\n G¼ ISO 228\n\n\n\n\n 1\n\n\n\n 2\n\n\n\n\nSAV DN 65-80 Edition 03.26 291 415 5 ... 14\n\fNomenclature\n\n\n Using the SAV 100065 MD SAV 100 065 MD ANSI\n as an example\n\n\n Type Safety shut-off valve\n\n\n MOP 100 … 10 000 mbar\n 250 … 20 000 mbar\n Nominal diameter 065 DN 65\n 080 DN 80\n\n Pressure range, MD Medium pressure\n output pressure\n UHD High and ultra high pressure\n Flange type With standard flanges PN-25\n ANSI With flanges ANSI 150 lbs\n\n\n\n\nSAV DN 65-80 Edition 03.26 291 415 6 ... 14\n\fAdjustment range\n\n Type Connection Version Item Lower switching point Upper switching point\n number\n Wdu AG Wdo AG\n SAV 100065 MD DN 65 MD 287898 35-400 mbar AG 10 180-800 mbar AG 10\n SAV 250065 UHD DN 65 UHD 279386 150-3 000 mbar AG 5 500-5 000 mbar AG 5\n SAV 100080 MD DN 80 MD 287900 35-400 mbar AG 10 180-800 mbar AG 10\n SAV 250080 UHD DN 80 UHD 279387 150-3 000 mbar AG 5 500-5 000 mbar AG 5\n SAV 100065 MD ANSI ANSI 2½\" MD 287902 35-400 mbar AG 10 180-800 mbar AG 10\n SAV 250065 UHD ANSI ANSI 2½\" UHD 287903 150-3 000 mbar AG 5 500-5 000 mbar AG 5\n SAV 100080 MD ANSI ANSI 3\" MD 287905 35-400 mbar AG 10 180-800 mbar AG 10\n SAV 250080 UHD ANSI ANSI 3\" UHD 287906 150-3 000 mbar AG 5 500-5 000 mbar AG 5\n\n\n\n\nSAV DN 65-80 Edition 03.26 291 415 7 ... 14\n\fSAV spring selection\n\nThe output pressure results from Specific adjustment range, underpressure Wdsu\nthe adjusting spring installed. The\nupper response pressure (over- Spring colour Item number Wire diameter Length Diameter Setpoint range [mbar]\n [mm] [mm] [mm]\npressure) is adjusted on the exter- MD UHD\nnal spring 1 of the measurement Blue 270356 2.0 55 12.3 35-110\ndevice. The lower response pres- Black 270357 2.3 55 12.3 50-250\nsure (underpressure) can be ad-\n Purple 270358 2.5 55 12.3 80-400 150-500\njusted on the internal spring 2. By\nchanging the adjusting springs the Orange 270359 2.8 55 12.3 300-1 000\nresponse pressures are changed. Silver 270360 3.0 60 15.0 800-1 400\n Pink 276126 3.5 60 15.0 1 200-3 000\n\n\n\n\n Specific adjustment range, overpressure Wdso\n\n Spring colour Item number Wire diameter Length Diameter Setpoint range [mbar]\n [mm] [mm] [mm]\n MD UHD\n Green 270366 2.5 60 30.0 180-290\n Red 270367 2.7 60 30.0 230-370\n 1 Yellow 270368 3.2 60 30.0 300-500\n Blue 270369 3.5 60 30.0 400-800 500-1 000\n Black 270370 3.7 60 30.0 700-1 300\n 2\n Purple 270371 4.0 60 30.0 1 000-1 800\n Orange 270372 4.5 60 30.0 1 300-2 500\n Pink 270373 4.8 60 30.0 1 800-3 500\n White 271115 5.0 60 30.0 2 500-5 000\n\n\nSAV DN 65-80 Edition 03.26 291…