Orion INSTRUMENTS H1U Hydraulic Range DP Instructions
- June 13, 2024
- Orion Instruments
Table of Contents
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
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