Valve type | EGSC straight cast | EZ – Z form PRDS |
Common design features High combined turndown with pressure sensitive, variable orifice Spray water nozzles Cage trim with diffusers for low noise and vibrationEasy access to internal parts reducers maintenance costs and system downtimeWater injection downstream from pressure reduction for extended valve life |  |  |
Application | Turbine bypass Process steam | Auxiliary steam |
Body style | Globe | Z-configuration |
Body material | Cast, CrMo-low alloy or carbon steel Fabricated outlet | Forged CrMo-low alloy or carbon steel |
Pressure class, inlet Pressure class, outlet | ANSI# 150-2500 ANSI# 150-1500 | ANSI# 150-2500 ANSI# 150-1500 |
Max capacity, Kv (Cv) | 4000 (4680) | 27 (32) |
Leakage class | III-V | V |
Plug design available | Cage Contour Balanced Unbalanced | Cage Unbalanced |
Water injection | Nozzles in valvae outlet | Nozzles in valve outlet |
Special design features | Standardized cast body design with flanged or butt weld end connections means low investment and installation costsOutlet connection larger than inlet to allow for high pressure ratio | Compact design for low flow applications High quality forged steel body for total integrity of pressure containing partsAdvanced seat design assures no energy loss in stand by condition |