Orion INSTRUMENTS H1U Hydraulic Range DP Instructions
PRESSURE CAPSULE DETAILS
INSTALLATION DRAWING
RANGE SELECTION TABLE
| Range Code | Range bar (psi) | Differential* bar (psi) | Maximum Working Pressure bar (psi) |
| Approximate Maximum for “A1” microswitch | |||
| H1U | 0.1 – 1.0 | 0.30 | 150 |
| (1.45 – 14.50) | (4.35) | (2175) | |
| H2U | 0.2 – 1.5 | 0.30 | 150 |
| (2.90 – 21.75) | (4.35) | (2175) | |
| H3U | 0.2 – 2.6 | 0.40 | 150 |
| (2.90 – 37.7) | (5.8) | (2175) | |
| H4U | 0.2 – 3.6 | 0.40 | 150 |
| (2.90 – 52.2) | (5.8) | (2175) | |
| H7U | 0.5 – 7.0 | 0.80 | 150 |
| (7.25 – 101.5) | (11.60) | (2175) | |
| D1T | 1.0 – 10.0 | 1.00 | 200 |
| (14.50 – 145) | (14.50) | (2900) | |
| D2T | 2.0 – 20.0 | 2.00 | 200 |
| (29.00 – 290.70) | (29.00) | (2900) | |
| D3T | 3.0 – 30.0 | 2.50 | 200 |
| (43.51 – 435.11) | (36.25) | (2900) | |
| D4T | 5.0 – 40.0 | 4.00 | 400 |
| (72.50 – 580) | (58) | (5800) | |
| D1H | 10 – 100 | 10.00 | 400 |
| (145.00 – 1450) | (145) | (5800) | |
| D2H | 10.0 – 200 | 20.00 | 400 |
| (145.00 – 2900) | (290) | (5800) |
HOW TO ORDER INDUSTRIAL HYDRAULIC RANGE DP SWITCHES
| Group 1 | Group 2 | Group 3 | Group 4 | Group 5 | Group 6 | Group 7 | Group 8 |
| Non standard allocation | Model | Cable Entry Size | Switch Type | Range Code (values in bar) | Microswitch Type | Pressure Port Material / Size | Diaphragm |
| Reserved for non-standard options not covered in catalogue. Will be given by manufacturer, only after agreement of supply details with customer. | MD = Industrial pressure switch with IP66 rated enclosure as per IS/IEC 60529
MT = Industrial pressure switch with IP66 rated enclosure as per IS/IEC 60529 |
1 = Al. enclosure ½” NPT threads
*2 = Al. enclosure ¾” NPT threads 3 = Al. enclosure M20 X 1.5 hreads 7 = SS enclosure, ½” NPT threads *8 = SS enclosure, ¾” NPT threads 9 = SS enclosure, M20 X 1.5 hreads *Not available for MT model For dual cable entry contact Sales Office |
DF1 = pressure difference switch, fixed differential without scale
DF2 = pressure difference switch, fixed differential with scale in bar DF3 = pressure difference switch, fixed differential with scale in psi *DA1 = pressure difference switch, adjustable differential without scale *DA2 = pressure difference switch, adjustable differential with scale in bar *DA3 = pressure difference switch, adjustable differential with scale in psi *Available with A6, A7, A9 & B9 (in group 6) only |
H1U = (0.1 – 1.0)
H2U = (0.1 – 1.5) H3U = (0.2 – 2.6) H4U = (0.2 – 3.6) H7U = (0.5 – 7.0) D1T = (0.5 – 10.0) D2T = (1.0 – 15.0) D3T = (5.0 – 25.0) D4T = (5.0 – 40.0) D1H = (10 – 100) D2H = (7.0 – 200) |
A1 = General purpose microswitch, rated at 15 A; 250 VAC
*A6 = Adjustable deadband *A7 = 2SPDT switching elements *A8 = General purpose microswitch *A9 = General purpose microswitch *B7 = 2SPDT Switching Elements *B9 = 2SPDT Switching Elements for adjustable differential * For detailed specifications of microswitches, please refer note under Range Selection Table |
S1 = SS316 / ¼” BSP(F)
S2 = SS316 / ¼” NPT(F) H1 = Hastelloy C / ¼” BSP(F) H2 = Hastelloy C / ¼” NPT(F) N1 = onel / ¼” BSP(F) N2 = Monel / ¼” NPT(F) More options available. Please contact sales ffice. |
0 =Neoprene
1 = TFE 2 = SS 316L 3 =Hastelloy C 4 =Monel |
| For additional wetted parts please contact sales office |
eg. A high range pressure difference industrial switch, with ½” NPT cable entry in aluminium housing as 1SPDT pressure switch, fixed differential without scale, having 0.1 bar to 1 bar pressure range, with 15 Amp. microswitch, SS316 pressure housing with ¼” BSP port size & neoprene diaphragm shall be specified by
| Group 1 | Group 2 | Group 3 | Group 4 | Group 5 | Group 6 | Group 7 | Group 8 |
| MD | 1 | DF1 | H1U | A1 | S1 | 0 |
Documents / Resources
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Orion INSTRUMENTS H1U Hydraulic Range DP [pdf] Instructions H1U, H2U, H3U, H4U, H7U, D1T, D2T, D3T, D4T, D1H, D2H, H1U Hydraulic Range DP, Hydraulic Range DP, Range DP |
