规格 Specifitions
easy-e Cryogenic Valves
D102189X012
Specifications
Available Configurations
ET-C: Single-port, globe-style control valve with cage
guiding, balanced valve plug, and
push-down-to-close valve plug action (figure 1)
EWT-C: Single-port, globe-style control valve with
cage guiding, balanced valve plug,
push-down-to-close valve plug action, and with
expanded end connections (figure 1)
EZ-C: Single-port, globe-style control valve with
post-guiding, unbalanced valve plug, and
push-down-to-close valve plug action (figure 2)
Valve Sizes
ET-CENPS3, M4, M6, ,and m 8
EWT-C: B NPS 6X4(1), Wl 8X4, B 8X6, W 12X6, and
W 10X8
EZ-CCENPS1,H1-1/2, M2, M3, and M 4
End Connection Styles(2)
CL150, 300, or 600 raised-face flanges per B ASME
B16.5, ® EN 1092-1/B
Maximum Inlet Pressure(2)
Consistent with I CL150 and B CL300
pressure-temperature ratings per ASME B16.34
B CL600 valves with B8M Class 2 bolting are
consistent with CL600 pressure-temperature ratings
per ASME B16.34 except as shown below:
MAXIMUM INLET
VALVE SIZE, PRESSURE
VALVE NPS at 38°C (100°F)
Bar Psig
1 77 1110
EZ-C 2 83 | 1200
3 94 1370
3 94 1370
6,8x6,
ET-Cand EWT-C 12x6 75 1085
8,10x8 96 | 1390
M CL600 valves with optional $20910 (XM-19)
bolting are consistent with CL600
pressure-temperature ratings per ASME B16.34
Maximum Pressure Drops(2)
Same as maximum inlet pressure, except where
limited by spiral wound gasket for EZ-C
(see tables 7 and 8)
Product Bulletin
51.1:easy-e Cryogenic
August 2012
Trim Material
See tables 1 and 2
Shutoff Classifications Per ANSI/FCI 70-2 and IEC
60534-4
ET-Cand EWT-C
Metal Seat:
M Class IV is standard
M Class V Air Test is optional
(Test will be 50 psid air)(6),
M Class VI (Consult your Emerson Process
Management sales office)
Composition Seat:
M Standard air testis standard
M Class VI is optional
EZ-C
Metal Seat:
M Class IV is standard
M Class Vlis optional
Maximum Actuator Thrust
See table 3
Conformance to Customer Specifications
ET-Cwith metal seats and EZ-C valves successfully
passed type approval testing per SIPM (Shell)
specification T-2.253.730
Flow Characteristics
ET-C, EWT-C, and EZ-C
M Equal percentage
M Linear
EZ-COnly
M Quick-opening
Flow Direction(5)
ET-Cand EWT-C
Normally down for linear and equal percentage trims.
Flow up for Whisper Trim ™ . See figure 1.
EZ-C
Up through the seat ring only. See figure 2
(Continued)
