Data Sheet

ET Valve
D100022X012
Product Bulletin
51.1:ET
December 2012
3
Specifications
Available Configurations
ET: Single-port, globe-style control valve with cage
guiding, balanced valve plug, and push-down-to-close
valve plug action (figure 1)
EAT: Angle version of ET control valve, used to
facilitate piping or in applications where a
self-draining valve is desired (figure 2)
ETR: Same as ET control valve except with
push-down -to-open valve plug action (figure 3)
Valve Sizes and End Connection Styles
Flanged raised-face per EN 1092-1/B and see table 1
Maximum Inlet Pressures and Temperatures
(1,2)
As listed below, unless limited by maximum pressure
drop or material temperature capabilities
Valves with Cast Iron Bodies
Flanged: Consistent with CL125B or 250B per ASME
B16.1
Valves with Steel and Stainless Steel Bodies
Flanged: Consistent with CL150, 300, and 600
(3)
per
ASME B16.34
Screwed o r Welding: Consistent with flanged CL600
per ASME B16.34
Maximum Pressure Drops
(2)
Same as maximum inlet pressure for specific
construction defined above, except where further
limited as follows:
All Valves Except Those with Cavitrol III, Whisper Trim
III, and WhisperFlo Cages: Seefigure11.
Valves with Cavitrol III Cages: Seefigure12.
Valves with Whisper Trim III Cages: Seefigure13
except where further limited by the following max
P/P1 ratios
(4)
– 0.60 for level A3 cage, 0.75 for level
B3 cage, 0.85 for level C3 cage, or 0.99 for level D3
cage
Valves for NACE MR0175 / ISO 15156 and MR0103:
Seefigure14
Shutoff Classifications Per ANSI/FCI 70-2
and IEC 60534-4
Class IV, V, or VI. See tables 2, 3, or 4
Construction Materials
Body, Bonnet, and Bonnet Spacer or Bottom Flange, if
used:
J Cast iron, J WCC carbon steel, or J LCC
carbon steel,
J WC9 chrome moly steel, J CF8M
(cast 316 stainless steel), or
J other materials upon
request
Valve P lug, Cage, and Metal Seating Parts:
All Valves Except Those with Cavitrol III or Whisper Trim
III Cages: See table 5
Valves with Cavitrol III Cages: See table 6
Valves with Whisper Trim III Cages: See table 8
Valves with WhisperFlo Cages: See table 7
Bellows Seal Assembly:
J 316L stainless steel or
J N04400
All Other Parts: See table 9
Material Temperature Capabilities
(2)
Body/Trim Combinations:
All Valves Except Those with Cavitrol III or Whisper Trim
III Cages: Seefigure11
Valves with Cavitrol III Cages: See table 6
Valves with Whisper Trim III Cages: See table 8
Valves with WhisperFlo Cages: See table 7
Bolting For NACE MR0175 / ISO 15156 and MR0103:
See table 18
Bonnets: See table 11
All Other Parts: See table 9
Flow Characteristics
Standard Cages:
J Quick-opening, J linear, or
J equal percentage
Whisper Trim, WhisperFlo, and Cavitrol Cages: Linear
Flow Directions
ET
Standard Cage: Normally down
Whisper Trim and WhisperFlo Cages: Always up
Cavitrol Cage: Always down
EAT
Standard Cage with Liner for Metal Seat: Normally
down
Standard Cage without Liner: Flow up or down
Whisper Trim and WhisperFlo Cages: Always up
ETR
Standard Cage: Normally up
Whisper Trim Cage: Always down
Flow Coefficients and Noise Level Prediction
See table 12 and Catalog 12
For Whisper Trim III cage flow coefficients (other than
NPS 6 valves), contact your Emerson Process
Management sales office
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