Data Sheet

EH and EHA Valves
D100042X012
Product Bulletin
51.2:EH
April 2015
15
Figure 19. Typical Balanced TSO (Tight Shutoff) Trim
VALVE PLUG
SEAL
PROTECTED
SOFT SEAT
W7020-1
Fisher TSO (Tight Shutoff)
Trim Capabilities
TSO trim consists of a protected soft seat plus PEEK
anti-extrusion rings with a spring-loaded PTFE plug
seal. Used only in flow down applications, TSO trim
offers unparalleled shutoff integrity, resulting in long
plug and seat life. See figure 19 and tables 8 and 9. For
additional information contact your Emerson Process
Management sales office..
Table 4. Available Globe Valve Configurations and Valve Sizes
(1)
(NPS 1-1/2 x 1 through 6 Globe Valves)
AVAILABLE CONFIGURATIONS VALVE SIZES (NPS) AND PRESSURE RATING
Valve
Design
Valve Plug
Style
Cage
Style
1-1/2 x 1, 2 x 1 2 3 x 2 3, 4 x 3 4, 6 x 4 6, 8 x 6
CL2500 CL3273 CL2500 CL2500 CL2500 CL2500
EHS
Micro-Form
Quick-Opening
(2)
X X X --- --- ---
Standard
Standard
(3)
--- X X X X X
Whisper Trim III --- X X X X X
Cavitrol III:
2-stage
3-stage
X
---
---
X
---
X
---
---
---
---
---
---
EHT Standard
Standard
(3)
--- --- X X X X
Whisper Trim III --- --- X X X X
Cavitrol III:
2-stage
3-stage
---
---
---
---
X
---
X
X
X
X
X
X
EHD Standard
Standard
(3)
--- --- X X X X
Whisper Trim III --- --- X X X X
X—Indicates available construction.
1. Two numbers indicate end connection by nominal valve size. For example, 3 x 2 indicates 3 inch end connection with NPS 2 valve size.
2. Linear cage used on NPS 2 and 3 x 2 valves.
3. Standard cages are equal percentage, modified equal percentage, and linear cages.