Alliance 30/30 Long Stroke Piggy Back Kit - ABP/N42A-30PBK3D

The ABP/N42A-30PBK3D 30/30 Long Stroke Piggy Back Kit - Kit includes Piggyback, Diaphragm and Clamp Assembly: Synthetic blended rubber diaphragms for superior resistance against abrasion and fatigue cracking, Guided spring pressure plate prevents side forces which cause diaphragm sidewall and seal wear, and Steel internal rod and slotted center seal design improves alignment of moving parts and prevents premature seal wear.