Specification of Variable Nozzle Desuperheater
Variable Nozzle Desuperheater
Features
Available in 6 and 9 nozzle design
Compatible with both pneumatic and electric actuators
Highlights
Design USA ANSI B at 16
Graphite packing provided for optimal sealing with stem
Suitable to fit a variety of yokes. (ideal with Forbes-Marshall make Pneumatic Diaphragm Actuator)
Fabricated body-available in Carbon Steel/Alloy Steel/Stainless Steel (other materials available on request)
Stem-ground, hardened and roller burnished to a fine for optimum performance
Ensures back-seat sealing due to fine machining and lapping of the seat after welding
High performance spray head assembly. Gives fine atomisation of water spray
Entire assembly shall be provided with HEB. approval
Typical Sizes
For Model 38:
Steam Side Flange: 3 "
Water Side Flange: 1 ", 1 1/2"
For Model 48:
Steam Side Flange: 4 "
Water Side Flange: 1 ", 1 1/2", 2 "
Pressure Rating: Up to ANSI # 2500
Forbes Marshall Pneumatic Actuator available for mounting
A. ' A ' to the ' Dx ' Nozzles UIII-60 n/v
B. the ' E ' to ' H ' Nozzles: UV-100 n/v
Rangeability
For 6 Nozzle Head: 1: 18 am
For the Nozzle Head 9: 1: 27 am
For Mixed Nozzle Head: More Than 1: 27 (USA p
