MR95 Series
2
Table 1.
Outlet and Differential Pressure Ranges
TYPE
BODY SIZE
OUTLET OR DIFFERENTIAL PRESSURE RANGE
(1)
DN
In.
bar
psi/psig
MR95L and MR95LD
15, 20 and 25
1/4 NPT, 1/2, 3/4 and 1
0.14 to 0.41
2 to 6
0.34 to 1.0
5 to 15
0.90 to 2.1
13 to 30
MR95H, MR95HD and MR95HDP
15, 20 and 25
1/4 NPT, 1/2, 3/4 and 1
1.0 to 2.1
15 to 30
1.7 to 5.2
25 to 75
4.8 to 10.3
70 to 150
40 and 50
1-1/2 and 2
0.34 to 5.5
5 to 80
4.1 to 8.3
60 to 120
6.9 to 9.7
100 to 140
8.3 to 10.3
120 to 150
0.34 to 4.1
5 to 60
3.4 to 8.3
50 to 120
MR95HT
15, 20 and 25
1/4 NPT, 1/2, 3/4 and 1
1.0 to 6.9
15 to 100
5.5 to 20.7
80 to 300
40 and 50
1-1/2 and 2
1.0 to 6.9
15 to 100
4.1 to 17.9
60 to 260
MR95HP
15, 20 and 25
1/4 NPT, 1/2, 3/4 and 1
1.0 to 6.9
15 to 100
5.5 to 27.6
80 to 400
40 and 50
1-1/2 and 2
1.0 to 6.9
15 to 100
4.1 to 20.7
60 to 300
1. For Types MR95LD, MR95HD and MR95HDP regulators, the pressure ranges indicate the differential pressure that can be obtained with the indicated spring. The differential pressure (spring
setting) is added to the spring case loading pressure to determine the actual outlet pressure.
Table 2.
Maximum Cold Working Pressures of Body Size and Material
(1)(2)
TYPE
BODY SIZE
BODY MATERIALS
MAXIMUM INLET
PRESSURE
MAXIMUM OUTLET
PRESSURE
MAXIMUM SPRING
CASE PRESSURE
bar
psig
bar
psig
bar
psig
MR95L/
MR95LD
All available sizes
Gray Cast Iron
17.2
250
3.4
50
3.4
50
WCC/LCC Steel; CF8M/CF3M Stainless Steel;
Monel
®(3)
; Hastelloy
®
C
(3)
20.7
300
8.6
125
8.6
125
MR95H/
MR95HD
All available sizes
Gray Cast Iron
17.2
250
17.2
250
17.2
250
WCC/LCC Steel; CF8M/CF3M Stainless Steel;
Monel
®(3)
; Hastelloy
®
C
(3)
; Aluminum-Bronze
(3)
20.7
300
20.7
300
20.7
300
MR95HDP
All available sizes
WCC/LCC Steel
41.4
600
41.4
600
41.4
600
CF8M/CF3M Stainless Steel; Monel
®(3)
;
Hastelloy
®
C
(3)
; Aluminum-Bronze
(3)
41.4
600
37.9
550
37.9
550
MR95HP
All available sizes
WCC/LCC Steel
68.9
1000
41.4
600
41.4
600
CF8M/CF3M Stainless Steel; Monel
®(3)
;
Hastelloy
®
C
(3)
; Aluminum-Bronze
(3)
68.9
1000
37.9
550
37.9
550
MR95HT
1/4 NPT and DN 15 to 25 /
1/2 to 1 in.
WCC/LCC Steel
41.4
600
41.4
600
41.4
600
CF8M/CF3M Stainless Steel; Monel
®(3)
;
Hastelloy
®
C
(3)
; Aluminum-Bronze
(3)
41.4
600
37.9
550
37.9
550
DN 40 and 50 /
1-1/2 and 2 in.
WCC/LCC Steel; CF8M/CF3M Stainless Steel;
Monel
®
; Hastelloy
®
C; Aluminum-Bronze
41.4
600
31.0
450
31.0
450
1. The pressure/temperature limits in this Installation Guide and any applicable standard or code limitation should not be exceeded.
2. The pressure limits given are based on the body size and body materials only. Actual pressure limits of the assembled regulator may decrease and vary depending on the temperature, body
end connection, diaphragm, seat and/or trim material of the regulator.
3. Not available for 1/4 NPT body size.
Monel
®
is a mark owned by Special Metals Corporation.
Hastelloy
®
C is a mark owned by Haynes International, Inc.
Table 3.
MR95 Series Temperature Capabilities
(1)(2)
TRIM MATERIAL
SEAT
DIAPHRAGM
O-RING
DIAPHRAGM
PROTECTOR
GASKET
TEMPERATURE
°C
°F
Nitrile (NBR)
-40 to 82
-40 to 180
Neoprene (CR)
-40 to 82
-40 to 180
Fluorocarbon (FKM)
(3)
-18 to 149,
Limited to 93°C for hot water
0 to 300,
Limited to 200°F for hot water
Ethylenepropylene (EPDM)
-7 to 135
20 to 275
Perfluoroelastomer (FFKM)
-18 to 218
0 to 425
PTFE
-40 to 204
-40 to 400
Metal
-40 to 343
-40 to 650
Composition
-40 to 204,
Limited to 149°C for steam
-40 to 400,
Limited to 300°F for steam
Graphite
-40 to 343
-40 to 650
BODY MATERIAL
TEMPERATURE
°C
°F
Gray cast iron
-29 to 208
-20 to 406
WCC Steel
(4)
-29 to 343
-20 to 650
LCC Steel
(4)
-40 to 343
-40 to 650
Stainless steel
(4)
, Monel
®
or Hastelloy
®
C
-40 to 288
-40 to 550
Aluminum-Bronze
-40 to 260
-40 to 500
1. The pressure/temperature limits in this Installation Guide and any applicable standard limitation should not be exceeded.
2. The temperature limits given are based on the body size and body materials only. Actual temperature limits of the assembled regulator may decrease and vary depending on the body end
connection, diaphragm, seat and/or trim material of the regulator.
3. Not for use on steam service.
4. Meets API 614 requirements (with Stainless steel trim).
