Spirax-Sarco 64161 Inverted Bucket Steam Trap

The Spirax-Sarco 64161 B1H-75 3/4 in. bucket steam trap is a mechanical inverted bucket steam trap that automatically discharges condensate while preventing live steam loss in industrial steam systems. Designed for horizontal piping, it is commonly installed in steam mains and drip stations, heat exchangers, laundry equipment, industrial dryers, and storage tanks to provide efficient condensate removal and protect equipment. Key specifications include a 3/4 in. FNPT connection, cast iron body, and ratings up to 75 psig and 450°F (232°C). The unit is part of the B1H-75 series and carries manufacturer part number 64161. For replacement or retrofits, common options include Spirax-Sarco B1H-125, Armstrong 800 Series inverted bucket traps, and TLV J3X free float traps.