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EHC

EHC Exhaust Head

Exhaust Heads are used to separate entrained water from flash steam prior to being discharged or vented to the atmosphere. Typically used to eliminate water damage to rooftops and other equipment.

Installation

Exhaust Head must be installed at the top of a vertical vent pipe. Exercise standard piping and structural practices when installing this unit. Proper drainage of the exhaust head is essential for proper operation. Pipe the drain Connection of the exhaust head to a roof gutter or down spout.

EHC (Cast Iron)

How It Works

Exhaust heads use the cyclonic effect where the velocity of the steam is used to generate centrifugal motion that whirls the steam and throws the entrained water to the wall of the unit where it is released to a drain below. Correct sizing of exhaust heads for steam service is important in order to assure the highest possible desiccation of the steam.

EHC

The EHC Series Exhaust Heads made from Ductile Iron, are used to separate entrained water and particles from steam prior to being discharged directly to the atmosphere. Typically used to eliminate water damage to rooftops and other equipment.

ModelSizeTypeWeight (lbs)
EHC-16-N1 1/2"NPT12
EHC-18-N2 1/2"NPT32
EHC-19-N3"NPT50
EHC-20-F1504"150# FLG65
EHC-17-N2"NPT32
EHC-19-F1503"150# FLG60
EHC-23-F1258"125# FLG170
EHC-14-N1"NPT12
EHC-20-N4"NPT50
EHC-22-F1256"125# FLG137
EHC-24-F12510"125# FLG335
Downloads
Catalog Spec Sheet (pdf)
I&M (pdf)
Product Overview
Exhaust Heads are used to separate entrained water from flash steam prior to being discharged or vented to the atmosphere. Typically used to eliminate water damage to rooftops and other equipment.
How It Works
Exhaust heads use the cyclonic effect where the velocity of the steam is used to generate centrifugal motion that whirls the steam and throws the entrained water to the wall of the unit where it is released to a drain below. Correct sizing of exhaust heads for steam service is important in order to assure the highest possible desiccation of the steam.
Selection / Sizing / Capacities



*Capacity in pounds of exhaust steam per hour at atmospheric pressure of 14.7 PSIA.
Note: For Stainless Steel versions replace EHF with EHFSS in model code. Example: EHFSS17-150
Dimension and Weight

Installation and Maintainance
Exhaust Head must be installed at the top of a vertical vent pipe. Exercise standard piping and structural practices when installing this unit. Proper drainage of the exhaust head is essential for proper operation. Pipe the drain Connection of the exhaust head to a roof gutter or down spout.
Sample Specification
Exhaust Head shall be a cyclone design for vertical venting to atmosphere. Unit shall have a vortex containment plate feature to prevent re-entrainment of liquid. Exhaust Head to be constructed in ductile iron, carbon steel or stainless steel and available in FNPT and flanged connections.