EU and EW Series Valves
Instruction Manual
August 2010
2
Table 1. Specifications
Valve Sizes
EUT, EUT-2, and EUD:
NPS
J
12,
J
16, and
J
20
EWT, EWT-2, and EWD:
NPS
J
16x12,
J
20x16,
J
24x16, and
J
24x20 valves (size
designations are end connection size x nominal
trim size)
End Connection Styles
Flanged:
CL150, 300, 600, and 900
(1)
raised-face
or ring-type joint flanges per ASME B16.5
Buttwelding:
All ASME B16.25 schedules through
schedule 120 that are compatible with the
ASME B16.34 valve body rating
For other end connections, contact your Emerson
Process Management sales office for details
Maximum Inlet Pressure and Temperature
(2)
Flanged:
Consistent with CL150, 300, 600, and
900
(1)
pressure/temperature ratings per
ASME B16.34
Buttwelding:
Consistent with CL600 per
ASME B16.34
Also see the Installation section
Shutoff Classifications per ANSI/FCI 70-2 and
IEC 60534-4
EUT, EUT-2, EWT, and EWT-2 with Metal Seats
Standard (for all trims except 2-Stage Cavitrol
t
Trim):
Class IV
Standard (for 2-Stage Cavitrol Trim):
Class V
Optional (for all trims except 2-Stage Cavitrol
Trim):
Class V
EUT, EUT-2, EWT, and EWT-2 with Soft Metal
Seats:
Class V
Shutoff Classifications per ANSI/FCI 70-2 and
IEC 60534-4 (continued)
EUD and EWD with Metal Seats
Standard:
Class III
Optional:
Class IV
Flow Characteristics
Standard Cages:
J
Linear or
J
equal
percentage
WhisperFlo
t
, Whisper Trim
t
III, and Cavitrol
III Cages:
Linear
Flow Direction
Standard and Cavitrol III Cages:
Down
WhisperFlo and Whisper Trim III Cages:
Up
Port Diameters
NPS 12 Trim:
279.4 mm (11.00 inches)
NPS 16 Trim:
J
374.7 mm (14.75 inches),
J
412.8 mm (16.25 inches) for EUT, EUT-2,
EWT, and EWT-2 valves with Whisper Trim III
cage
NPS 20 Trim:
J
463.6 mm (18.25 inches) or
J
502 mm (19.75 inches) for EUT-2 and EWT-2
valves with Whisper Trim III cage
Valve Plug Travel
102 through 432 mm (4 to 17 inches).
Contact your Emerson Process Management
sales office for further details if needed
Yoke Boss and Stem Diameters
J
127 mm (5-inch) or
J
127 mm (5H-inch)
diameter yoke boss, each with 31.8 mm
(1-1/4 inch) diameter valve stem
Approximate Weights
See table 6
1. CL900 end connections are available only for NPS 16 and 20 x 16 EUD, EUT-2, EWD, or EWT-2 valves.
2. Do not exceed the pressure or temperature limits in this manual, on the equipment nameplate, and any applicable code limitations.
