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Fixed Pivot Ball Float Drain Traps
Description
For loads to 3,900 lb/hr (1769 kg/hr) . . . Pressures to 600 psig (41 bar)
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Armstrong’s line of fixed lever drain traps includes two basic models available in cast iron and forged steel. The floats are light enough to handle light liquids.
No. 21—A small, high-quality, economical drain trap for use on drainage jobs where dirt and oil are not encountered. It employs a single lever with a fixed pivot.
No. 21-312—Forged steel version of the No. 21, with larger float and higher leverage.
CAUTION: Ball float drain traps are not recommended where heavy oil, sludge or considerable dirt are encountered in lines. Under these circumstances, use Armstrong inverted bucket BVSW traps.