Data Sheet
Globe Valve Selection Guide
Product Flier
PF51.1:010
July 2008
6
Heavy-Duty and Severe-Service Valves
ET
W0451-3/IL
HP AND EH
W5815-1/IL
Figure 6. Heavy-Duty and Severe-Service Valves
ET HP and EH
Applications
easy-e heavy-duty, general- and severe- service valve for tight shutoff
with clean liquids and gases with higher pressure drops and
temperatures to 232_C (to 316_C with optional seal materials)
For high-pressure and severe-service applications. Available with special
trim to combat noise and cavitation. Often used in power generation applica-
tions
Style
Cage-guided globe or angle valve
Balanced trim
Cage-retained seat
Cage-guided globe or angle valve
Balanced or unbalanced trim
Sizes
ET: DN 25, 40, 50, 65, 80, 100, 150, 200
NPS 1, 1-1/2, 2, 2-1/2, 3, 4, 6, 8
EWT: DN 100 x 50 through 600 x 500
NPS 4 x 2 through 24 x 20
DN 25, 50, 80, 100, 150, 200, 250, 300, 350, 500
NPS 1, 2, 3, 4, 6, 8, 10, 12, 14, 20
Ratings
PN 10, 16, 25, 40, 63, or 100
CL125, CL250, CL150, CL300, or CL600
DIN PN 160, 250, 420
CL900, CL1500, CL2500, or intermediate ratings
End Connections
NPT internal, flat- or raised-face flanged, ring-type joint, socket-weld and
buttwelding ends
Raised-face flanged, ring-type joint, socket-weld and buttwelding ends
Expanded ends
Valve Body Materials
Cast iron, WCC, CF8M, WC9, and others on request (materials available
to EN, ASME, or ASTM specifications)
WCC, WC9, LCC, CF8M (materials available to EN, ASME, or ASTM
specifications)
Valve Plug and Seat Ring (Trim) Materials
S41600, S316000, or S31600 with CoCr-A on seat or seat and guide)
Soft seat is PTFE
S41600, S31600, S44004, or S31600 with CoCr-A on seat or seat and
guide)
Flow Characteristics and Maximum Flow Coefficients
Quick opening, linear, or equal percentage
Maximum C
v
from 17.2 to 6500
Linear, equal percentage or characterized
Maximum C
v
from 0.354 to 2600
Shutoff Class (IEC 60534-4 and ANSI/FCI 70-2)
Soft seat: V
Metal seat: IV (standard) or V (optional)
Class II, III, IV or V (depending on size and construction)
Available Actuators (refer to pages 11 and 12)
657 or 667 spring-and-diaphragm; 585C piston 657 or 667 spring-and-diaphragm; 585C piston