401-SH/501-SH Series Inverted Bucket Superheat Steam Traps

Description

Carbon steel or stainless steel for vertical installation

For pressures to 1,540 psig (105 bar) . . .
Capacities to 1,300 lb/hr (590 kg/hr)

Armstrong’s 401-SH/501-SH Series inverted bucket superheat trap line is made for overcoming the difficult combination of superheat and high pressure/low load service.

To survive this most severe steam service, Armstrong created an inverted bucket trap with a unique accumulation chamber. The chamber collects sufficient condensate to ensure full discharge cycles. A cup in the chamber floats up and down on the steam inlet tube, sealing it off as the condensate level rises.

At the same time as the chamber collects condensate, steam continues to flow under the bucket, making sure that the discharge valve closes tightly until the condensate rises into the trap body and the bucket falls down. The operation is on/off, no throttling or dribbling. In addition, you get all the familiar benefits of an inverted bucket steam trap.

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