1- The diameter of a waterway through a connection and a valve shall be a nominal size or a specified size ± 0.01 inch ( 0.3mm ).
2- General tolerance as IT8
3- The rate pressure is 250PSI
4- The nominal size of connection is accord with NFPA 1963
5- All the dimentions are given in mm
6- Surface painting: thickness greater than 300 Microns Color RAL 3020.
7- Rubber: ASTM D2000 ( EPDM )
8- Flange for 701 type, Conforms to BS EN1092-2.PN16. Mechanical-joint for 702, Conforms to ANSI A21.11.
9- The design standard conforms to AWWA C502 and its had passed the UL/FM approval.