www .flextral.com A4 A4 T echnical Data Hose Couplings Adapters Accessories Index Quick Couplings Equipment How to Measur e Flextral Assemblies Use to identify length of customer sample and for checking pr oper length of new hose assembly . Unless otherwise specifed, assembly length shall be the overall length measur ed fr om the extr eme end of one connector to the extr eme end of the other . O-ring face seal type connectors shall be measur ed fr om the sealing face. Wher e elbow connectors ar e used, measur ement shall be to the centerline of the sealing surface of the elbow end (The sealing surface of female far ed elbow connectors shall be the centerline of the outer end of the cone seat). See fgur es below . Hold the assembly so that you can look along the length of the hose and with the fitting furthest away fr om you in the vertical position. Measur e the angle between the vertical fitting and the one near est to you in a clockwise dir ection. Relationship can then be expr essed fr om 0? to 360?. Method of measur ement should be specifed. T olerances on assembly length shall be as in table below . L Straight connectors (except O-ring face seal) L Female swivel elbow connectors L Flange connectors L O-ring face seal connectors Assembly Length T olerances (decimal inch) T olerances (fraction inch) T olerances (mm) Up thr ough 12” (304.8 mm) 0.13 1/8 3.2 Over 12” thr ough 18” (304.8 thr ough 457.2 mm) 0.19 3/16 4.8 Over 18” thr ough 36” (457.2 thr ough 914.4 mm) 0.25 1/4 6.4 Over 36” (914.4 mm) 1% 1% 1% Angular Relationships Hold the assembly so that you can look along the length of the hose and with the fitting furthest away fr om you in the vertical position. Measur e the angle between the vertical fitting and the one near est to you in a clockwise dir ec - tion. Relationship can then be expr essed fr om 0? to 360?.