Senseca VDO-020GR040 Flow Switch

Installation locationFlow Switch / Indicator VDO-...GRStandard: horizontal inwards flow; switching head not recommended underneath; otherinstallation positions are possible; the installation position affects the switchingpoint and range.Ranges Details in the table correspond to horizontal inwards flow with decreasing flow rate.GNominal widthG 1/4 G 3/8 G 1/2DN 8DN 10DN 15Switching range l/min H2O 2 - 10Qmax.recommendedType15VDO-008GR010 VDO-010GR010 VDO-015GR010 VDO-015GR020 VDO-020GR020 VDO-020GR040VDO-025GR040 VDO-025GR060 VDO-032GR060 VDO-032GR100 VDO-040GR100 VDO-040GR150VDO-050GR100 VDO-050GR200 VDO-080GR330 VDO-080GR60020 30 40 604 - 20 G 3/4DN 20G1DN 25G 11/4DN 32G 11/2DN 40G2DN 50G3DN 8010 - 40● ● ● ● ● ●No glass parts under load from pressure or media Monitor and display Highly reproduciblePrecise, stepless adjustment of the switching value Insensitive to dirt Short installation length20 - 60 30 - 100Characteristics The volume flow raises a piston (fitted with a magnet) out from avalve seat against a spring force. The piston actuates a hermetically separated reed switch and a hermetically separateddisplay ring.Technical data Switch Nominal width Process connection Switching range Qmax.Tolerance Pressure resistance Medium temperature Ambient temperature MediaWiringreed switchDN 8..80 female thread G 1/4..G 3 2..600 l/min for details see table "Ranges"to 720 l/min ±5 % of full scale value G 1/4..G 1/2 - PN 100 bar G 3/4..G 1- PN 25 bar G 11/4 ..G 3 - PN 16 bar -20..+120 °C50 - 150 30 - 100 100 - 200 180 - 330 400 - 600Special ranges are availableDimensions and weights GTypesG 1/4 G 3/8 G 1/2 G 3/4 G1 G 11/4 G 11/2 G2 G3VD-008GR VD-010GR VD-015GR VD-020GR VD-025GR VD-032GR VD-040GR VD-050GR VD-080GRHLSWX183682912Weight kg 1.3184 188 190 195 203 22473 87 98 113 137 14832 41 52 59 72 10013 11 12 13 14 17 231.4 1.5 1.7 2.2 2.9 4.2 7.8-20..+70 °C water (oils and gases available on request) changeover no. 0.2131Switching voltage Switching current Switching capacity Protection class Ingress protectionConnection Materials medium-contact Non-mediumcontact materials Weight85 100 145 150 220 250 290 600 72023Max.175 V DC / 120 V AC Max. 0.25 A DC / 0.18 A AC Max.5 W / VA 2 - safety insulationIP 44, optionally IP 65 plug DIN 43650-A / ISO 4400 Rg 5 / Rg 6 nickelled, POM, 1.4310,CW614N, NBR, hard ferrite ABS, PA, acrylic XT see table "Dimensions and weights"dsh_fam_vdo-gr_en_vs011