1.
STANDARD PARAMETERS
STANDARD SPECIFICATIONS
MATERIAL OF CONSTRUCTION
Accuracy
Ambient Temperature
Service Temperature
CL 2.5
-20…+65°C
65°C max.
MUD GAUGE
FEATURES
APPLICATION
Ü Rugged construction
Ü Moving dial system
Ü Well drilling
Ü Mud pumps
Ü Petroleum industries
01
Dial size
Range
Mounting pattern
Process connection
Ingress protection
Execution
DN100
0…40 bar, 0…60 bar, 0…100 bar
0…160 bar, 0…250 bar, 0…400 bar
0…600 bar, 0…800 bar
Direct, Bottom connection
2" NPT (M)
IP 65
Dampening glycerin liquid filled
ISO 9001 : 2015 www.miepl.com
Sensing Element
Case & Ring material
Diaphragm
Diaphragm protection
Shank
Movement mechanism
Dial
Gaskets
Window
Diaphragm
Gun metal casting, grey hammertone finish, screwed
Stainless Steel
Rubber
Anti-corrosion treated mild steel
Stainless Steel
Aluminum, stove enameled white, with black marking
Neoprene
Plexi glass
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REFERENCE
Ü EN 837-3
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TEMPERATURE EFFECT
Please refer clause no 9.3 of EN 837-1
MP31
Diaphragm
MIEPL make mud pressure gauges are extremely
accurate and widely used in the harshest
environments.
Our mud pressure systems monitor the pump
pressure for a variety of pumps and applications
mainly into Oil drilling machines with high corrosive
area such H2S to insure that you are getting the most
out of your drilling uids. Our xed pointer
systems use a large gauge to detect the slightest
pressure changes, and the compound pointer
system uses separate needles to detect the smallest
pressure changes.

2.
All dimensions are in mm.
ISO 9001 : 2015 www.miepl.com
MUD GAUGE
MP31
PROTECTION
02
DRAWING
ORDERING CODE
Ordering Example :
D
XXX
1A
IP2
100 mm / 4"
Refer “Range Table”
Direct, Bottom connection
1½" NPT (M)
2" NPT (M)
1½" BSP (M)
2" BSP (M)
IP 65
Dampening liquid lled, glycerine
7NM
8NM
7BM
8BM
MP31 - - - - - -
D XXX 1A IP2 E4
8NM
B
A
ØC ØD
G
E
ØF
Process Connection
E4
MP31 - - - - - -
D XXX 1A IP2 E4
8NM
10
51
115
125
250
65
65
125
3470
DN
A
B
ØC
ØD
E
ØF
H
Weight (gm)
1. DIAL SIZE
2. RANGE
4. PROCESS
CONNECTION
5. INGRESS
PROCESS
6. EXECUTION
3. MOUNTING
PATTERN