The document is a catalogue for MT Dual Pressure Switches from Kaustubha Udyog, detailing specifications, features, and installation information. It provides pressure ranges, differential values, and ordering instructions for various switch configurations. The switches are designed for applications with pressure differences from 1.5 mbar to 600 bar, featuring options like neoprene and Teflon diaphragms.

1. MT Dual
Pressure Switches
C A T A L O G U E
BULLETIN NO. : KA170217
Website : http://www.orion-instruments.com
Kaustubha Udyog AN ISO9001:2008 COMPANY
S. No. 36/1/1, Sinhgad Road, Vadgaon Khurd,
Near Lokmat Press, Pune 411 041 INDIA
Tel.
Telefax
Email
: +91-(0) 20-24393577 / 24393877
: +91-(0) 20-24393577 / 25460486
: pressure@vsnl.com
PRESSURE SWITCHES
PRESSURE DIFFERENCE SWITCHES
VACUUM SWITCHES
From 1.5 mbar to 600 bar
Certificate No.: FM72815

2. INSTALLATION DRAWING
APPROX. DIMENSIONS IN
mm
inches
PRESSURE CAPSULE DETAILS
Note : wetted parts are mentioned in italics. *Presure ports are brazed with flange
DUAL PRESSURE RANGES
75
BULLETIN NO. : KA170217
MT
2
1
23
45
6
100.0
(3.93)
Mounting Holes, Ø7
C/C 130mm 2 Nos
31
(1.22)
51
(2.0)
87
(3.42)
120
(4.72)
52.0
(2.04)
Pressure Port
1/4" BSP(F)
92
(3.62)
130.0
(5.11)
Description
Pressure Port
Plunger
Disc Plate
Diaphragm
'O' Ring
Backup Ring
No.
1.
2.
3.
4.
5.
6.
149.0
(5.86)

3. DUAL PRESSURE RANGES MT
75
BULLETIN NO. : KA170217
3
*Minimum differential increases with setpoint (Graphs available on request)
*Differentials of miroswitches A1 through A7 and A9 will vary.
Please indicate specifically the differential value in enquiry/order, when it is critical in your application.
, values with neoprene diaphragm
RANGE SELECTION TABLE
LP
LP5
H01
H02
H03
H04
H07
H10
H15
H30
0.067 - 0.213
(0.97 - 3.09)
0.1 - 0.5
(1.45 - 7.25)
0.1 - 1.0
(1.45 - 14.50)
0.1 - 1.5
(1.45 - 21.76)
0.2 - 2.6
(2.90 - 37.71)
0.2 - 3.6
(2.90 - 52.21)
0.5 - 7.0
(7.25 - 101.50)
0.5 - 10.0
(7.25 - 145.38)
1.0 - 15.0
(14.5 - 217.56)
5.0 - 25.0
(72.52 - 362.6)
†Differential bar (psi)
5
(72.52)
5
(72.52)
12
(174.05)
12
(174.05)
12
(174.05)
12
(174.05)
12
(174.05)
25
(362.6)
25
(362.6)
35
(507.63)
Range Code Range bar (psi) Maximum Working
Pressure bar (psi)
0.05
(0.72)
0.10
(1.45)
0.10
(1.45)
0.20
(2.90)
0.20
(2.90)
0.20
(2.90)
0.40
(5.80)
0.60
(8.70)
0.60
(8.70)
0.80
(11.60)
Approximate
Maximum
for "A8"
microswitch

4. DUAL PRESSURE RANGES
75
BULLETIN NO. : KA170217
MT
4
HOWTOORDERINDUSTRIALDUALPRESSURESWITCHES
Nonstandard
allocation
ModelCableEntrySizeSwitchTypeRangeCode
(valuesinbar)
Microswitch
Type
Diaphragm
Group1Group2Group3Group4Group5Group6Group8Group7
0=
Neoprene
1=
Teflon
2=
SS316L
3=
HastelloyC
4=
Monel
MT=
Industrialdual
pressureswitch
withdiecast
Aluminium
enclosureto
IP66asper
IS/IEC60529
1=
Al.head
½"NPTthreads
3=
Al.head
M20X1.5
threads
KF2=
Dualpressure
switch,fixed
differentialwith
scaleinbar
KF3=
Dualpressure
switch,fixed
differentialwith
scaleinpsi
LP=
(0.067-0.213)
LP5=
(0.1-0.5)
H01=
(0.1-1.0)
H02
(0.1-1.5)
H03=
(0.2-2.6)
H04=
(0.2-3.6)
H07=
(0.5-7.0)
H10=
(0.5-10.0)
H15=
(1.0-15.0)
H30=
(5.0-25.0)
Group1Group2Group3Group4Group5Group6Group8Group7
eg.IndustrialDualswitchwith½"NPTcableentryinaluminiumhousingas1SPDTpressureswitch,fixdifferentialwithscalehaving0.2barto2.6bar
pressurerange,with5Amicroswitch,SS316pressurehousingwith¼”BSPportsize&teflondiaphragmshallbespecifiedby
Pleasespecifyfullmodelnumbertoavoidambiguity.
MT1KF2H03A81S1
Reservedfor
non-standard
optionsnot
coveredin
catalogue.Will
begivenby
manufacturer,
onlyafter
agreementof
supplydetails
withcustomer.
A1=General
purposemicroswitch
ratedat15A;
250VAC
General
purposemicroswitch
ratedat5A;
250VAC
A2=Hermetically
sealedforcorrosive
environments
A3=goldplated
contactsforlow
voltageapplications
A4=DPDT
configuration
A5=forhighDC
ratings
A7=2SPDT
switchingelements
A9=
A8=General
purposemicroswitch
ratedat5A;
250VAC
PressurePort
Material/Size
S1=
SS316/¼"BSP(F)
S2=
SS316/¼”NPT(F)