Mechanical spray desuperheater MNSD

variable orifice

The Copes-Vulcan Multiple Nozzle Spray Desuperheater offers optimum performance and rangeability in a variable spray tube design. The MNSD fills the performance gap between the limited capability of a simple mechanical spray type desuperheater and the virtually unlimited capability of Copes-Vulcans Variable Orifice Desuperheater. The MNSD offers high temperature capabilities and up to Class V leakage rating. Features: Temperature control to within 15°F (8°C) of saturation with the ability to hold set point within a tolerance of 10°F (6°C) Standard maximum available Cv of 10.5 (Kv of 8.9) Water flow turndown of 150:1 or higher User friendly design - nozzles and trim assembly can be removed without disconnecting the actuator No need for separate cooling water control valve Designed for applications with temperatures up to 1150°F (620°C) Available in standard classes 600, 900,1500 and 2500 per ANSI B16.5 Cooling water inlet pressures up to 3500 psig (24 MPag)(higher pressures on application) FCI 70-2/ANSI Class IV or Class V shutoff capability Suitable for vertical or horizontal installation Standard ANSI connections are 3" (80mm) raised face flange (steam) and 1.5" (40mm) raised face flange (water) Designed to resist thermal fatigue