Excellence in Micro pump,DC pump Testing standards for TOPSFLO homebrew beer pump TD5 NPT & BSP threads The stainless steel TD5-A24-2505 is one of the leading beer brewing pumps with high efficiency ECM brushless DC motor. It is smaller, lower power consumption, longer lifetime and safer than AC pumps, so more and more people are using TD5 DC pump instead of AC beer pumps. Food grade stainless steel ● Long lifetime 30,000hours ● 24hours continuous work ● Max flow 25LPM & head 4.5M ● Over-voltage / current protection ● High temperature of 110℃/230F ● Blocked/ Polarity protection ● Eeasy to flush and clean ● Both BSP and NPT threads applicable ● Currently, 5V speed control can be customized and you can adjust flow rate as you want, which is very convenient. Few clients are confronted with threads issue when using Homebrewing pump TD5. Here are pump threads specifications and testing standards for your reference. Brushless DC Centrifugal Beer Pump TD5-A24-2505 BSP & NPT Threads

During testing of NPT 1/2 ring gauge, middle part is base plane. 1. Threads aren't qualified for small size if threads plane is below lower base 2. Threads aren't qualified for large size if threads plane is above upper base Excellence In Micro Pump, DC pump Threads plane Lower base plane Threads aren't qualified if threads plane is above lower base plane. Upper base level Threads aren't qualified if threads plane is below upper case plane. TOPSFLO CONFIDENTIAL Standard Measuring Tools BSPT 1/2-14 ring gauge Useful tip, it would be useful to use some teflon tape when connecting threads with tubes....