Fisher Design RSS - Page 2

Design RSS
2
Table 1. Specifications
Valve Sizes
1/2, 3/4, 1, 1-1/2, 2, 3, and 4 inches
Face-To-Face and Flange Compatibility
DUCTILE IRON STEEL SST
VALVE
Flange
VALVE
SIZE,
Class 150 Class 300 Class 150 Class 150
SIZE,
IN.
Face-To-Face
ANSI
(1)
DIN
(2)
ANSI
(1)
DIN
(2)
ANSI
(1)
DIN
(2)
ANSI
(1)
DIN
(2)
1/2
3/4
1
1-1/2
2
3
4
- - -
- - -
X
X
X
X
X
X
X
X
X
X
X
X
- - -
- - -
X
X
X
- - -
- - -
- - -
- - -
X
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
- - -
X
X
X
X
X
X
X
X
- - -
- - -
- - -
- - -
- - -
- - -
X
X
X
X
X
X
X
X
1. For ANSI/ISA face-to-face dimensions, see figure 3.
2. For DIN face-to-face dimensions, see figure 3.
Maximum Inlet Pressures and Temperatures
(1)
See tables 2 and 3
Downstream/Outlet Pressure Ratings
(1)
See figure 2
Application Limits
Liquid Service: nP/P
1 abs
 0.6. For cavitating
applications, contact your Fisher Controls sales of-
fice or sales representative.
Gas Service: Velocity  0.33 MACH
Shutoff Classification
Class VI per ANSI/FCI 70-2
Temperature Capabilities
Pressure Service: –20 to 350_F (–29 to 177_C)
Vacuum Service: –20 to 200_F (–29 to 93_C)
Standard Flow Characteristic/Valve Plug Style
Equal percentage
Flow Direction
Up through the seat ring (see figure 7)
Packing Arrangement
Braided PTFE rings
Dimensions and Weights
See figure 3
1. The pressure or temperature limits in this manual, and any applicable standard limitations should not be exceeded.
Table 2. Maximum Allowable Inlet Pressures and
Temperatures
(1)
PRESSURE, PSIG PRESSURE, BAR
TEMPER-
ATURE, _F
Ductile
Iron
or
Steel
Valve
Stainless
Steel
Valve
TEMPER-
ATURE, _C
Ductile
Iron
or
Steel
Valve
Stainless
Steel
Valve
–20 to 100
200
300
350
285
260
230
215
275
235
205
192
–29 to 38
93
149
177
19.7
17.9
15.9
14.8
19.1
16.3
14.2
13.3
1. Includes valves with Class 300 flanges.
Table 3. Maximum Shutoff Pressure Drop
Temperature _F
Pressure, PSI
Temperature _C
Pressure, BAR
–20 to 250
300
350
145
125
93
–29 to 121
149
177
10.0
8.6
6.4