Valve stem “gag” mechanism Valve stem “gag” mechanism. Same device will be used to clamp onto pipe cap, except the 2 bolts on top will be used to attach additional weight plates.
Clamp 4” Hole to clamp on to 1” pipe cap 5” Through holes for 3/8” bolts 1” Through holes for 3/8” -bolts
Half-Inch Weight Plate (1) 4” 5” Through holes for 3/8” bolts 0.5
One-Inch Weight Plate (3) 4” 5” Through holes for 3/8” bolts 1”
Assembly All parts will be assembled with 3/8” bolts (Grade 5 or better) and nuts. (Holes do not need to be tapped) Make parts from A36 steel