... )ApproximateWeight(lbs./ft.)MaximumRecommendedVacuum(In./Hg.)MaximumRecommendedPositive Pressure(PSI)MinimumCenterlineBend Radius(Inches)1-1/4”............1-1/2”0.252010na2”............Operating ... (mm)ApproximateWeight(grams/m)MaximumRecommendedVacuum(Bar)MaximumRecommendedPositive Pressure(Bar)MinimumCenterlineBend Radius(mm)31,8............38,13721,3790,689na50,8............Part List ...