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physical footprint
providing a seamless cut-out at 130°F and a vertical cut-in at 100°F
Avoid applying grease directly to the O-rings before they are seated in the U-cups to prevent displacement
a high-temperature EPDM O-ring
Belimo B253 Ball Valve 328140-751 physical footprintThe Belimo B253 is a high performance 2 way characterized control valve designed for precision modulation in large scale HVAC systems. Featuring a 2 inch NPT female pipe thread connection and a generous 120 Cv flow coefficient, this unit is engineered for hot or chilled water applications, supporting up to a 60% glycol solution. The nickel plated forged brass body housing a 304 stainless steel ball and stem ensures long term resistance to corrosion
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