Instruction Manual

Instruction Manual
D100400X012
EWN and EW-1 Valves
July 2014
2
Table 1. Specifications
Available Configurations and Valve Body Sizes
See table 2
End Connection Styles
Flanged Ends: Styles per ASME B16.5 are CL300, 600,
or 900
J raised-face or J ring-type joint
Buttwelding Ends: Styles per ASME B16.25 are
Schedule
J 40 or J 80 for all CL300 and 600 valves
or Schedule
J 80, J 100, or J 120 for all CL900
valves
Maximum Inlet Pressures and Temperatures and
Pressure Drops
(1)
Consistent with applicable J CL300, J 600, or J 900
pressure/temperature ratings per ASME B16.34, but
do not exceed the pressure, temperature, and
pressure drop conditions specified when the valve
was ordered. Also see the Installation section
Shutoff Classifications
See table 3
Flow Characteristics
Standard Cages: J Linear, J quick-opening, or J
equal percentage
Whisper Trim™ Cages: Linear, except equal
percentage for first 38.1 mm (1.5 inch) of travel with
level D cage for NPS 8 x 6 valve
Flow Directions
EWS-1withStandardCage:Normally up
All Others with Standard Cages: Normally down
Whisper Trim Cages: Always up
Valve Plug Travels
See table 2
Approximate Weights
NPS 8 x 6 CL900 Valve Body
Flanged Ends: 839 kg (1850 lb)
Buttwelding Ends: 703 kg (1550 lb)
NPS 12 x 8 Valve Body
CL300 (Flanged Ends Only): 721 kg (1590 lb)
CL600 Flanged Ends: 930 kg (2050 lb)
CL600 Buttwelding Ends: 726 kg (1600 lb)
CL900 Flanged Ends: 1497 kg (3300 lb)
CL900 Buttwelding Ends: 1293 kg (2850 lb)
Additional Specifications
For specifications such as materials, cage levels, and
stem diameters, refer to t he Parts List section.
1. The pressure or temperature limits in this manual and any applicable standard limitations should not be exceeded.
Table 2. Available Config urations
PRESSURE
RATING
VALVE
SIZE,
NPS
VALVE
PLUG TRAVEL
VALVE BODY DESIGN & CAGE STYLE DESCRIPTION
mm Inches
CL900 12 x 8
76 3 EWD-1withstandardcage
Seat ring threaded to valve body;
balanced valve plug with piston ring
152 6 EWD-1 with Whisper Trim III cage
CL900 8x6 127 5
EWND-1 with Whisper Trim III cage only
CL300, 600, or
900
12 x 8 203 8
CL900
8x6 127 5
EWNT-1 with Whisper Trim III cage only
Seat ring threaded to valve body;
balanced valve plug with spring-loaded seat ring
12 x 8 203 8
CL300, 600, or
900
12 x 8 203 8 EWNT-2 with Whisper Trim III cage only
Seat ring threaded to cage;
balanced valve plug;
spring-loaded seal rings on both seat ring and valve plug
CL900 12 x 8
76 3 EWS-1withstandardcageonly
Seat ring threaded to valve body;
unbalanced valve plug
76 3 EWT-1 with standard cage
Seat ring threaded to valve body;
balanced valve plug with spring-loaded seal ring
152 6 EWT-1 with Whisper Trim III cage