1.
DIFFERENTIAL PRESSURE GAUGE
MP14
ISO 9001 : 2015 www.miepl.com 01
Diaphragm Operated
STANDARD PARAMETERS
STANDARD SPECIFICATIONS
MATERIAL OF CONSTRUCTION
Accuracy
Ambient Temperature
Service Temperature
Pressure limits
± 2 % (Ascending)
-40…+65°C
80°C max.
Steady pressure up to FS value, No over-pressure
FEATURES
APPLICATION
Ü Compact design
Ü Isolated pressure chambers
Ü Static pressure up to 60 bar
Ü Diaphragm operated
Ü Filtration plants
Ü Natural gas processing plant
Ü Water applications
Ü Pumps & Compressors
Ü Clean room applications
Dial size
Range
Mounting pattern
Process connection
Ingress protection
Execution
DN63 / DN100 / DN150
0...75 mbar up to 0…4 bar
In-line connection
¼" NPT (F) X 2 Nos.
IP 54
Dry
Sensing Element
Case
Body
Dial
Pointer
Window
Diaphragm
AISI 304 SS, Push-fit window
AISI 316 SS
Aluminum, black graduation on white background
Fix, aluminum, black powder coated
Sheet glass
:
:
:
:
:
:
WORKING PRINCIPLE
:
:
:
:
REFERENCE
Ü EN 837-3
POINTER
Note:
1. First marking on the scale shall be 20% of FSD.
:
:
:
:
:
:
:
0
10
20
30 4
0
50
RANGE SPRING
LOW
DIAPHRAGM
ROTARY MAGNET
POINTER
HIGH
MAGNET
MIEPL make Compact design differential pressure
gauges are made by piston displacement
construction. This is highly recommended to use in
OEM application and for small dial sizes.

2.
DIFFERENTIAL PRESSURE GAUGE
MP14
ISO 9001 : 2015 www.miepl.com 02
DRAWING
Type - 1A (LOW RANGE)
LP
A
B
ØD
ØC H
Type - 1A (HIGH RANGE)
LP HP
A
B
ØD
ØC H
Type - 2A (LOW RANGE)
Type - 2A (HIGH RANGE)
DIMENSIONAL DRAWING
DIMENSIONAL DRAWING
102
76
104
19.5
150
76
151.5
A/F 20
155.5
3.2
A/F 20
860
760
ØD
A
DN
B
2.4
63
63
Weight (gm)
66.5
76
H
710
3.2
19.5
18.6
A/F 20
100
E
ØC
A
DN 63
A/F 20
19.5
50
B
ØC
H
ØD
Weight (gm)
2.4
66.5
18.6
E
50
63
710
100
3.2
104
102
A/F 20
150
3.2
760
19.5
155.5
151.5
860
A/F 20
50
63
2.4
66.5
ØD
E
Weight (gm)
18.6
ØC
H
63
151.5
155.5
A/F 20
3.2
760
A/F 20
76
150
710
3.2
860
19.5
A/F 20
100
76
19.5
76
104
102
DN
A
B
A
DN
B
ØD
E
ØC
H
150
19.5
2.4
Weight (gm)
63
A/F 20
104
3.2
19.5
102
A/F 20
100
710
66.5
63
50 50
18.6
760
3.2
50
155.5
A/F 20
151.5
860

3.
DIFFERENTIAL PRESSURE GAUGE
MP14
Tel : +91- 11- 220 143 25 / 27, Email : mil@miepl.com
MILLENNIUM INSTRUMENTS LIMITED
ISO 9001 : 2015 www.miepl.com 03
ORDERING CODE
PROTECTION
PATTERN
XXX
Ordering Example :
IP1
E1
C
D
F
M P 1 4 - - - - - -
C X X X 1 A 2 N F I P 1 E 1
Mp14 - C XXX 3A 2NF IP1 E1
- - - - -
2BF
2NF
1. For other connections, please contact factory.
Calibration certicate
SS tag plate, AISI 316 SS
SS tag plate, AISI 304 SS
Custom designed dial
Dial tag marking
With 3-Hole front panel
SB
WG
WF
WR
WT
A7
HP LP
A
B
ØD
ØC H
Type - 3A
DIMENSIONAL DRAWING
63 mm
100 mm
150 mm
Refer “Range Table”
Direct Bottom connection
2" Pipe/Yoke mounting
Direct Back connection
In-line connection
¼" BSP (F) X 2 Nos.
¼" NPT (F) X 2 Nos.
Other thread size and standards available on request.¹
IP 54
Dry
1A
1C
2A
3A
1. DIAL SIZE
2. RANGE
3. MOUNTING
PATTERN
4. PROCESS
CONNECTION
5. INGRESS
PROCESS
6. EXECUTION
7. OTHER
OPTIONS
151.5
A/F 20
76
850
63
A
ØC
H
A/F 20
E
DN
B
ØD
66.5
Weight (gm)
63
18.6
2.4
76
3.2
19.5
76
A/F 20
102
700
100
750
3.2
150
19.5
104 155.5