JD & KD Series Automatic Differential Condensate Controller


For pressures from vacuum to 300 psig (21 bar) . . .
Capacities to 142,000 lb/hr (64,400 kg/hr)

The simple, yet rugged, ductile iron construction of the JD & KD
Series Automatic Differential Condensate Controller offers long,
trouble-free service. All floats, valves and seats, and lever mechanisms
are constructed of stainless steel.

The integral thermostatic air vent is a balanced-pressure
phosphor-bronze bellows caged in stainless steel. It is designed
especially for demanding industrial applications where highly efficient,
uninterrupted service is essential. This balanced-pressure type of air
vent will respond to the pressure-temperature curve of steam at any
pressure from zero to 175 psig (12 bar). Thus—up to 175 psig (12
bar)—air is vented at slightly below steam temperature.

The condensate controller with flash release is for syphon drainage
and/or cascade service. The condensate controller (CC) configuration was
developed especially to meet very large capacity needs in applications
where condensate must be lifted from the drain point to the trap. Under
such conditions—often referred to as syphon drainage—the reduction in
pressure that occurs when the condensate is elevated causes a portion of
the condensate to flash into steam. Ordinary traps, unable to
differentiate between flash steam and live steam, close and impede

The JD & KD Series condensate controllers (CC) are equipped with a
fixed restricted orifice near the top of the body to bleed off the
flash steam (and all air present). This permits the trap to function
properly on condensate.

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Installation and Maintenance 

Submittal Drawing 
JD & KD Series Automatic Differential Condensate Controller

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