... manufacturing tolerances are within B.S. 5409 Part 1. WORKING PRESSURES AND TEMPERATURES The working ... grade of nylon in all the sizes below. Prefix Part No. SR / ANI / SR / ANM COIL ... Yellow, Orange, Brown, Grey and Pink. Imperial Part No.ODIDWorking PressureBurst PressureMin. Bend RadiusANI/0621/8".062"725 ... .S.I820 P.S.I7/8"Metric Part No.ODIDWorking PressureBurst PressureMin. Bend RadiusANM 4/254mm2 ...