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WDS

WDS Air/Steam Moisture Separator

The WDS Series Separators are used for the removal of entrained liquid or solids from steam or air. Effective in applications where the system has an entrained liquid flow rate of up to 40% by weight of the unit’s flow capacity.

How It Works

Wet steam enters the inlet of the separator where it is deflected in a centrifugal downward motion. The entrained moisture is separated out by reduction in velocity. Separated liquid then falls below the cyclone drip plate where it cannot be re-entrained. Dry steam or air then flows upward and exits through the outlet of the separator.

Features

  • Removes 99% of all particles > 10 microns in size
  • Minimum pressure drop
  • Standard gauge ports on 1-1/2” to 3” cast units
  • Standard gauge ports on 3”–12” fabricated units
  • ASME Code constructed
WDS (Ductile Iron)

WDS (Carbon Steel and Stainless Steel)

WDS Series Capacity Chart

The WDS Series Separators are used for the removal of entrained liquid or solids from steam or air. Effective in applications where the system has an entrained liquid flow rate of up to 40% by weight of the unit’s flow capacity.

ModelSizeTypeBody MaterialWeight (lbs)
WDS-14-N-DI1"NPTDuctile Iron26
WDS-15-N-DI1 1/4"NPTDuctile Iron30
WDS-16-N-DI1 1/2"NPTDuctile Iron45
WDS-17-N-DI2"NPTDuctile Iron50
WDS-18-N-DI2 1/2"NPTDuctile Iron95
WDS-19-N-DI3"NPTDuctile Iron95
WDS-17-F150-DI2"150# FLGDuctile Iron50
WDS-19-F150-DI3"150# FLGDuctile Iron95
Product Overview
The WDS Series Separators are used for the removal of entrained liquid or solids from steam or air. Effective in applications where the system has an entrained liquid flow rate of up to 40% by weight of the unit’s flow capacity.

WDS (body material)             
 Pressure / Temperature Rating
Ductile Iron
(suffix *DI )
 NPT  300 PSIG @ 550°F
 150# FLG  200 PSIG @ 400°F
Carbon Steel
(suffix *FS)
 150# FLG  150 PSIG @ 550°F
 300# FLG  500 PSIG @ 650°F
Stainless Steel
(suffix *FSS)
 150# FLG  150 PSIG @ 450°F
 300# FLG  350 PSIG @ 650°F
How It Works
Wet steam enters the inlet of the separator where it is deflected in a centrifugal downward motion. The entrained moisture is separated out by reduction in velocity. Separated liquid then falls below the cyclone drip plate where it cannot be re-entrained. Dry steam or air then flows upward and exits through the outlet of the separator.
Selection / Sizing / Capacities
 

* Not to be used for steam service at these pressures. For air service only.

Dimension and Weight

Installation and Maintenance
The WDS Air/Steam Moisture Separator must be installed in a horizontal run of pipe. Exercise standard piping and structural practices when installing this unit. Proper drainage of the separator utilizing a float & thermostatic steam trap or liquid
Sample Specification
Steam Moisture Separator shall be “T” style for horizontal piping installations. Separator to be code constructed in ductile iron, carbon steel, or stainless steel. Available in FNPT and flanged connections.