valva fisavana lovia roa, valva fisavana takelaka roa, seza metaly,
PN10/PN16/PN25/PN40/PN63/PN100, Class150/300/600/900/1500/2500
Mifanatrika amin'ny API594/ISO5752/EN558-1 andiany 16
Flange ASME B16.5, ASME B16.47, EN1092-1
NORTECHis iray amin'ireo mpitarika Shina roa takelaka lug check valve Mpanamboatra & mpamatsy.