We have Orion brand DP Switches. The DP Switches are also known as PD Switches. Differential Pressure Switches & Pressure Difference Switches. Diaphragm type DP Switches are used in industrial applications to control DP across - Filters, Strainers, Pumps, Heat Exchanges etc.

1. MZ HIGH RANGE PRESSURE DIFFERENCE SWITCHES
Transparent tough
polycarbonate cover
for visibility
Separate
terminal block
for wiring
Internal setscrew
to avoid
easy access
to setpoint
Large spring
for ease of
setpoint
IP66 enclosure
for excellent
ingress protection
Sealing facility
to avoid
tampering of
working switch
Cable gland as a
standard accessory
Non corroding exteriors
for a long life of the switch
Approximate Weight : 1.400 Kg.
Some Applications :
SS316 & teflon as wetted parts
to switch a wide variety of media
Electrical Connection :
Fig. 2
In non-hazardous areas for filters, strainers, Z 2 3
cooling systems, etc.
1

2. HIGH RANGE PRESSURE DIFFERENCE SWITCHES MZ
PRESSURE CAPSULE DETAILS
9
4
8
3
7
2
6
1
5
Note : wetted parts are mentioned in italics.
No. Description
1. Pressure Housing
2. HP Plunger (SS316)
3. Diaphragm
4. Disc
5. CSK Screw (SS)
6. 'O' ring (Teflon)
7. LP Plunger (SS316)
8. Sealing Diaphragm (Teflon)
9. Sealing O-Ring (Teflon)
INSTALLATION DRAWING
114
(4.48)
94
(3.7)
85
(3.34)
Cover Locking Screw
4 Nos.
Cable Entry
High Pressure Port
1/4" BSP Female
Low Pressure Port
41 1/4" BSP Female
(1.61)
50
(1.97)
APPROX. DIMENSIONS IN
inches
.
.
.

3. 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
MZ HIGH RANGE PRESSURE DIFFERENCE SWITCHES
RANGE SELECTIO N TABLE
RangeCode Range
bar (psi)
Differential* bar (psi) Maximum Working
Pressure bar (psi)Approximate
Maximum
for "A8"
microswitch
H01
0.1 - 1.0 (1.45
- 14.50)
0.12
(1.74)
12
(174.05)
H02
0.1 - 1.5 (1.45
- 21.76)
0.20
(2.90)
12
(174.05)
H03
0.2 - 2.6 (2.90
- 37.71)
0.20
(2.90)
12
(174.05)
H04
0.2 - 3.6 (2.90
- 52.21)
0.30
(4.35)
12
(174.05)
*Minimum differential increases with setpoin t( Graphs availableon request)

4. 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
Continuous efforts for product development may necessitate changes in these details without notice
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