Check Valve Hansen 40mm$67.00 Hansen Diaphram type 40mm part# 10034300 Check Valve Hansen 40mm quantity Add to cart Category: Sun Mill/Solar Mill Parts Additional information Additional information Weight .450 kg Related products Ball for 2″ piston $6.93 for 2″ Piston pump Part# 10002040 Bolt stroke bar $1.50 Connecting Crank Rod to Stroke Bar Part# 10035641 Crank arm 2 & 3″ Tall Pump Drive $137.50 for connecting Stroke bar to nylon pump rod part# 10035685 Grease nipple $1.32 for Stuffing box 2″ & 3″ Part# 63000072