Data Sheet

Globe Valve Selection Guide
Product Flier
PF51.1:010
July 2008
8
Cryogenic and Lined Valves
ET-C & EZ-C
W6396/IL
RSS
W4521-2/IL
Figure 8. Cryogenic and Lined Valves
ET-C and EZ-C RSS
Applications
easy-e stainless steel cryogenic valves for liquefied natural gas and
other special chemical and hydrocarbon applications with temperatures
to 198_C
Lined valve for severely corrosive or toxic process fluids. An economic
alternative to alloy bodies. Limited in pressure and temperature
Style
Single-seated post-guided (EZ-C) or cage-guided (ET-C) globe valve
Unbalanced (EZ-C) or balanced (ET-C)
Metal seats
Fully lined, single-seated, unbalanced globe valve
Includes bellows stem seal
Sizes
ET-C: DN 80, 100, 150, 200
NPS 3, 4, 6, 8
EWT-C: 150 x 100, 200 x 100, 200 x 150, 250 x 200, 300 x 200
NPS 6 x 4, 8 x 4, 8 x 6, 10 x 8, 10 x 8
EZ-C: DN 25, 40, 50, 80, 100
NPS 1, 1-1/2, 2, 3, 4
DN 25, 40, 50, 80, 100, 200
NPS 1, 1-1/2, 2, 3, 4
Face-to-face dimensions to EN or ASME specifications
Ratings
EN 1092-1 PN 10, 16, 25, 40, 63, or 100
ASME B16.5 CL150, CL300, or CL600
CL150 or CL300
End Connections
Raised-face flanges Raised-face flanges
Valve Body Materials
CF8M (materials available to EN, ASME, or ASTM specifications) Ductile iron with PFA liner
Valve Plug and Seat Ring (Trim) Materials
S31600 with CoCr-A hardfacing on seat or on seat and guide
Valve Plug and Seat Ring: Pure modified (reinforced) PTFE
Bellows: Heavy-duty PTFE (TFM1705) with 304L SST support rings
Flow Characteristics and Maximum Flow Coefficients
Quick opening, linear, or equal percentage
Maximum C
v
from 13.2 to 1160
Equal percentage
Maximum C
v
from 1.91 to 145
Shutoff Class (IEC 60534-4 and ANSI/FCI 70-2)
Class IV (standard)
Class VI (optional)
Class VI (soft seat)
Available Actuators (refer to pages 11 and 12)
657 or 667 spring-and-diaphragm; 585C piston 657 or 667 spring-and-diaphragm; 585C piston