Heavy duty servo ball valve 1/4" NPT
Description
This Is An Improvement Of My Previous Design : Direct Drive Servo Ball Valve (Http://Www.Thingiverse.Com/Thing:2131538). I Use It To Control The Flow Of Steam Out Of My Diy Boiler, It Acts Like A Proportional Valve, Tested With Steam At 105°C (221°F). This Design Is Much Cheaper Than What You Can Find On The Shelf, But Also Efficient : Full Opening Takes Less Than One Second. You Will Need To Drill A 3Mm Hole On The Lever Of The Ball Valve At 40Mm From The Centre Of The Ball Valve And Add A M3 Threaded Rod Bended To Have 63Mm From The Two Holes. The Program Used On The Uno Is "Knob" From The Servo Library. Bom : - 2X "Jumper.Stl" - 1X "Servo_Holder.Stl" - 1X Npt 1/4" Ball Valve - 1X Mg996R Servo (Https://Www.Banggood.Com/Mg996R-Digital-Metal-Gear-Servo-For-Robot-Zohd-Volantex-Airplane-Rc-Helicopter-Car-Boat-Model-P-78320.Html?P=3A07002553965201509W&Custlinkid=719992) - 1X Metal Arm For Mg996R Servo (Https://Www.Banggood.Com/25T-Metal-Servo-Arm-For-Rc-Futuba-Towerpro-Servo-Mg995R-Mg996R-Mg945-P-80611.Html?P=3A07002553965201509W&Custlinkid=719993) - M3 Threaded Rod (Https://Www.Banggood.Com/Grade-12_9-Carbon-Steel-Black-Threaded-Rod-M2M2_5M3M4-Length-250Mm-P-1030565.Html?P=3A07002553965201509W&Custlinkid=719994) - 8X M3X40Mm Screws (Https://Www.Banggood.Com/Suleve-M3Sh5-50Pcs-M3-Stainless-Steel-Hex-Socket-Cap-Head-Screws-Bolts-4-20Mm-Optional-Length-P-1217027.Html?P=3A07002553965201509W&Custlinkid=719995) Happy Building !
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