Instruction Manual
D100394X012
EH (1-1/2x1 through 8x6)
July 2017
3
applied in processes with a fluid temperature of up to 593_C (1100_F), provided other material limits are not
exceeded. Contact your Emerson sales office
or Local Business Partner for information.
Specifications
Specifications for the EHD, EHS, and EHT valves are shown in table 1.
Educational Services
For information on available courses for the Fisher EH valve, as well as a variety of other products, contact:
Emerson Automation Solutions
Educational Services - Registration
Phone: 1-641-754-3771 or 1-800-338-8158
E-mail: education@emerson.com
emerson.com/fishervalvetraining
Table 3. Additional Shutoff Classification per ANSI/FCI 70‐2 and IEC 60534‐4
Valve (Class) Valve Size, NPS Port Diameter, Inches Cage Style
ANSI/FCI Leakage
Class
EHD
(CL2500)
4
6x4
2.875
Equal Percentage, Modified Equal Percentage,
Linear (std. cage),
Linear (Whisper III, A1, B3, C3)
V (for port
diameters from 2.875
through 7‐inch with
optional C‐seal trim)
Linear (Cavitrol III, 2‐stage)
6
8x6
4.375
Equal Percentage, Modified Equal Percentage,
Linear (std. cage),
Linear (Whisper III, A1, B3, C3, D3)
6
8x6
4.375 Linear (Cavitrol III, 2‐ and 3‐stage)
Table 4. TSO (Tight Shutoff) Leakage Class per ANSI/FCI 70‐2 and IEC 60534‐4
Leakage Class Maximum Leakage Test Medium Test Pressure ANSI/FCI Leakage Class
TSO (Tight Shutoff)
Valves with TSO trim are factory tested to
a more stringent Emerson Automation
Solutions test requirement of no leakage
at time of shipment.
Water Service ΔP
(1)
V
1. Specify service ΔP when ordering.
Table 5. TSO Shutoff Availability
VALVE CONSTRUCTION
LEAKAGE CLASS
Standard Optional
EHS, EHT Cavitrol III trim. Replaceable, protected soft seat TSO ‐ ‐ ‐
Table 6. Approximate Weights (Valve Body and Bonnet Assemblies)
VALVE
SIZE,
NPS
CL2500
Kilograms Pounds
Flg
SWE
&
BWE
Flg
SWE
&
BWE
1-1/2 x 1 ‐ ‐ ‐ 46 ‐ ‐ ‐ 101
2x1 78 47 173 104
3x2 161 94 355 207
3 223 163 492 359
4x3 265 162 585 357
4 338 243 745 536
6x4 526 257 1160 567
6 785 544 1731 1199
8x6 955 558 2106 1231
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