Emerson Fisher MR95 Series - Specifications; Available Constructions; Body and Orifice Sizes; Maximum Temperature Ranges

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
Peruoroelastomer (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).