Size52Suction cup materialNitrile rubber NBRMaterial hardness [Shore A]55 Shore ANipple materialAluminumConnectionG1/4"-FNumber of folds2.5Vacuum connectionG1/4"-FKE-FSG 52 NBR-55 G1/4-IGDesign Data Attribute Value d2 24.60 mm dn 4.40 mm Dmax(S) 55 mm Ds 52.50 mm G1 G1/4"-F H 63.70 mm LG1 12 mm SW1 17 mm Z (Stroke) 25 mm