PrintWater Well Seals Designed to keep wells water tight, water well seals keep debris and unwanted fluids out of the well. Specs/Part #s Approx. Wt. Lbs. Conduit Tap For Electrical Cable in Inch. Vent Size in Inch. Pipe Size Drop I.D. Size in Inch. Well Pipe Part Number 3 3/4 3/4 1/2 1" 4 SA400100 3 1/2 3/4 1/4 1 1/4" 4 SA400125 6 1/2 3/4 1/4 1" 5 SA500100 9 1/4 3/4 1/2 1 1/4" 5 SA500125 5 3/4 3/4 1/4 2" 5 SA500200 9 3/4 1/2 1" 5 5/8 SA5625100 8 1/4 3/4 1/2 1 1/4" 5 5/8 SA5625125 9 3/4 3/4 1/2 1" 6 SA600100 9 1/2 3/4 1/2 1 1/4" 6 SA600125 8 3/4 3/4 1/2 2" 6 SA600200 8 1/4 3/4 1/2 2 1/2" 6 SA600250 9 3/4 3/4 1/2 1" 6 1/4 SA625100 9 1/2 3/4 1/2 1 1/4" 6 1/4 SA625125 21 1/4 1 1/2 1" 8 SA800100 21 1 1/2 1 1/4" 8 SA800125 20 1 1/2 2" 8 SA80020 19 1/2 1 1/2 3" 8 SA80030 19 1 1/2 4" 8 SA800400