High range DP Switch PD series
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The document details the PD series pressure difference switches from NK Instruments, designed for panel mounting or outdoor service with a repeat accuracy better than ±1% FSR. Key features include various range options, electrical ratings, and suitability for applications like water treatment. The ordering process is outlined, specifying different model components to ensure clarity in purchasing.
High range DP Switch PD series
- 1. PD HIGH RANGE PRESSURE DIFFERENCE SWITCHES
- 2. NK Instruments Pvt. Ltd.B-501/504, 5th floor, Raunak Arcade, Near THC Hospital, Gokhale Road, Naupada, Thane(W) 400602. Maharashtra INDIA Telefax Nos.: 91-22-25301330 / 31 / 32 E-Mail: sales@nkinstruments.com Web: http://www.nkinstruments.com Skype: nitinkelkarskype Gtalk: nkinstruments2006 Authorised Dealer PD GENERALINFORMATION : PD series pressure difference switches are housed in pressure die cast aluminium powder coated enclosure and recommended for panel mounting or outdoor service based on the type of enclosure opted for. The repeat accuracy is better than ± 1% FSR. A 3/8” cable entry is provided for cables and a terminal strip suitable for wired ends is provided inside the enclosure. Pressure ports are ¼ " BSPF standard. FEATURES : · Compact · Separate chamber for working parts · Choice of wetted parts to suit working media · Electrical rating : 5A, 250VAC; 0.2A, 250 VDC (res.) · Pressure ports : 1/4” BSPF Some Applications : Used in water treatment plants, bag filters, strainers, etc. Range Selection Table Range Code Range bar (psi) ?P Approximate Maximum Differential* bar (psi) Maximum Working Pressure bar (psi) H01 0.1 - 1.0 (1.45 - 14.50) 0.1 (1.45) 12 (174.05) H02 0.1 - 1.5 (1.45 - 21.76) 0.1 (1.45) 12 (174.05) H03 0.2 - 2.6 (2.90 - 37.71) 0.2 (2.90) 12 (174.05) H04 0.2 - 3.6 (2.90 - 52.21) 0.2 (2.90) 12 (174.05) *Minimum differential increases with set point (Graphs available on request) How to order PD series high range pressure difference switches Group 1 Group 2 Group 3 Group 4 Group 5 Group 6 Model Range Code Range Scale Pressure Housing Diaphragm Enclosure PD - Pressure Difference Switch H -High Pressure Range U -Uncalibrated C -Calibrated A -Aluminium B -Brass S -SS 316 0 - Neoprene 1 - Teflon 0 - IP 54 1 - IP 65 Eg. A pressure difference switch, high pressure range from 0.1-1.5 bar in calibrated style with brass pressure housing & Teflon diaphragm as wetted parts & a standard enclosure shall be specified by Group 1 Group 2 Group 3 Group 4 Group 5 Group 6 PD H02 C B 1 0 Please specify full model number to avoid ambiguty. If only the first two groups are specified while ordering, un calibrated switches with standard wetted parts and enclosures will be supplied. HIGH RANGE PRESSURE DIFFERENCE SWITCHES