Spirax Sarco Float and Thermostatic Steam Trap 50231-A 2 In. NPT
Spirax Sarco Float and Thermostatic Steam Trap 50231-A 2 In. NPT
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Condition:
Photos reflect the item’s current condition and details. If the item arrives in a condition that differs from what is shown or described, it may be eligible for return or refund. Please review our product condition guide prior to purchasing.
Stock #:
A float and thermostatic super-capacity steam trap from Spirax Sarco, body casting number 50231-A. The cast iron body is consistent with the FTB series, designed for continuous condensate drainage on large heat exchangers, steam mains, and process equipment with high condensate loads. The FTB series accommodates condensate capacities up to 100,000 lb/hr depending on model variant and differential pressure, with internal stainless steel float, valve mechanism, and balanced pressure thermostatic air vent for rapid air and non-condensable gas discharge at startup and during operation.
The casting carries the instruction "POINT ARROW STRAIGHT DOWN" for correct installation orientation. Port openings visible in photos are consistent with approximately 2 in. NPT threaded connections. Body material is ASTM A126 Grade B cast iron, standard for the FTB series. The specific pressure rating variant cannot be confirmed from casting evidence alone; the casting number 50231-A should be cross-referenced against Spirax Sarco FTB series documentation to identify the exact model designation (FTB-20 through FTB-200) and corresponding maximum allowable working pressure prior to installation. The body shows surface rust and oxidation consistent with removed service use. Country of manufacture is the United States per Spirax Sarco FTB series production history. Serial number not visible in available photos.
Stock # 0326-1184
