MP12 Differential Pressure Gauge - Bellow | Miepl
                     MP12 DIFFERENTIAL PRESSURE GAUGE
Bellow
MIEPL  make  differential pressure gauges are made 
of highly corrosion-resistant stainless steel and 
feature an all-metal. This is very suitable for low 
range application.
STANDARD SPECIFICATIONS
Dial size :  DN150
Range : 100 mbar….0...16 bar
:
FEATURES Mounting pattern Direct, Bottom connection:
Process connection : ½" NPT (M) x 2 Nos.
Ü All SS measuring system
Ingress protection : IP 65
Ü Static pressure 40 bar max.
Execution : Dry 
Ü External Zero adjustment
STANDARD PARAMETERS
Ü Electric contact version
Accuracy : ±1.0 of FS (range≤1 bar), ±1.6 of FS (range≥1 bar)
Ü Suitable for direct valve Ambient Temperature : -40…+65°C (without dampening liquid)
       mounting : -20…+65°C (with dampening liquid)
Service Temperature : 100°C max.
Static pressure limits : 6 bar up to 0.4 bar
: 25 bar up to 1 bar...2.5 bar
: 40 bar up to 4 bar...16 bar
MATERIAL OF CONSTRUCTION
APPLICATION
Sensing Element : Bellows
Ü Liquid & gaseous mediums
Case & Ring Material : AISI 304 SS (Bayonet type)
Ü Corrosive environments Bellows : AISI 316L SS
Movement mechanism : AISI 304 SS
Ü Oil & Gas applications
Dial : Aluminum, black graduation on white background
Ü Chemical & Petrochemical Pointer : Micro-zero adjustable, aluminum, black powder coated
Ü Food & Beverages Gaskets & filling plug : Neoprene / NBR
Window : Shatterproof Safety Glass
Ü Nuclear power plants
 
STANDARD SPECIFICATIONS : DAMPENING LIQUID FILLED, GLYCERIN 
Accuracy :  CL 2.5
Window : Plexi glass
:
Dampening liquid Glycerin 99.7%  [Service temperature up to 65°C]
:
STANDARD SPECIFICATIONS : ELECTRIC CONTACT VERSION
REFERENCE
Accuracy : CL 2.5
Ü EN 837-3
Window : Poly carbonate dome
Switch : 1NO; Make contact
Electrical termination : 4 pin connector
ISO 9001 : 2015 www.miepl.com 01
MP12 DIFFERENTIAL PRESSURE GAUGE
DRAWING
DIMENSIONAL DRAWING
B
A
Type -   1A
DN 150
A 15
B 94
ØC ØD ØC 161
ØD 149
E A/F 22
Weight (gm) 1840
E
60°
DIMENSIONAL DRAWING
B
A
Type -   1A
DN 150
A 15
B 94
ØC ØD ØC 161
ØD 149
E A/F 22
Weight (gm) 1840
E
L
DIMENSIONAL DRAWING
Type -   1B
ØU B S1
ØI DN 150
A
Ø N A 15
B 98
120°
ØC 161
ØD 149
M
ØC ØD E A/F-22
ØI 6
M 172
ØN 186
E
S1 6
U 168
60° Weight (gm) 2020
All dimensions are in mm.
ISO 9001 : 2015 www.miepl.com 02
MP12 DIFFERENTIAL PRESSURE GAUGE
DRAWING
DIMENSIONAL DRAWING
Type -   1B
ØU B S1
ØI DN 150
Ø N A
A 15
B 98
120°
ØC 161
ØD 149
M
ØC ØD E A/F-22
ØI 6
M 172
ØN 186
E S1 6
U 168L
Weight (gm) 2020
DIMENSIONAL DRAWING
Type -   1C
K B
2" Pipe Mounting DN 150A
F Bracket.
ØD A 15
B 94
ØC 161
ØD 149
J G ØC Pip
e
2" e
Siz E A/F 22
F 129
G 69
E 2" U-Bolt and
Nut.
H H 39
J 101
60°
K 161
Weight (gm) 2914
DIMENSIONAL DRAWING
Type -   1C
DN 150
A 15
K B
A 2" Pipe Mounting B 94
F Bracket.
ØD
ØC 161
ØD 149
E A/F 22
e F 129
J G ØC ip2" P e
Siz G 69
H 39
J 101
2" U-Bolt and
Nut.
H K 161E
L 54
L
Weight (gm) 2914
All dimensions are in mm.
ISO 9001 : 2015 www.miepl.com 03
MP12 DIFFERENTIAL PRESSURE GAUGE
ORDERING CODE MP12 -   F   -   XXX   -   1A   -    4NM   -   IP2   -     E1   -   1
1. DIAL SIZE 150 mm F
2. RANGE Refer “Range Table” XXX
Direct, Bottom connection 1A
3. MOUNTING
    PATTERN Wall/Surface/Projection mounting, Bottom connection 1B
2" Pipe/Yoke mounting, Bottom connection 1C
PATTERN ½" BSP (M) x 2 Nos. 4BM
M20 x 1.5 mm (M) x 2 Nos. 4MM
4. PROCESS
CONNECTION
½" NPT (M) x 2 Nos. 4NM
Other thread size and standards available on request.¹
5. INGRESS IP 65 IP2
   PROCESS
Dry E1
6. EXECUTION Dampening liquid lled, glycerine E4
Dampening liquid lled, silicon oil³ E5
Pattern 1 (Angular : 60° apart) 1
Pattern 2 (Straight : C-C = 54mm) 2
PROTECTION Economic contacts ECO C
7. CHAMBER TYPE Precision contacts PRE C
Break contact (1NC) ECS1
8. ELECTRIC
    CONTACT 
Make contact (1NO) ECS2
2 x Break contact (2NC) ECS3
2 x Make contact (2NO)
9. SWITCH ECS4
    CATEGORY
1 Break + 1 Make (1NC+1NO) ECS5
1 Make + 1 Break  (1NO+1NC) ECS6
Case & Ring in AISI 316 SS (1A) AA Vent plug, ON-OFF type QW Dial tag marking WT
Case & Ring in AISI 316 SS (1B) AB 5 - point calibration certicate SA
Case & Ring in AISI 316 SS (1C) AC Material test certicate 3.1 SC
10. OTHER
    OPTIONS Case & Ring in AISI 316 SS (2C) AI Material test certicate 2.2 SM
AISI 316 SS movement FL SS tag plate, AISI 304 SS WF
6 pin, M20 x 1.5 mm connector F6 SS tag plate, AISI 316 SS WG
Rubber parts, Viton QA Custom designed dial WR
Order ing Example :  MP12  -  F  -  XXX  -  1A  -  4NM  -  IP2  -  E2  -  1
1. For other connections, please contact factory.
2. Electric contacts are available from range 0...1 bar
3. Rubber parts shall be in Viton.
ISO 9001 : 2015 www.miepl.com 04
MILLENNIUM  INSTRUMENTS  LIMITED
Tel : +91- 11- 220 143 25 / 27, Email : [email protected]