Ob chav qhov rooj kos valve, ob lub qhov rooj kos valve
WRAS, ACS tau ntawv pov thawj rau cov dej haus, dej haus
DN50-DN1000, 2 "-40"
PN10/PN16, ANSI Chav Kawm 125/150
Flange ASME B16.5, ASME B16.47, EN1092-1
NORTECHis ib qho ntawm Tuam Tshoj Ob chav qhov rooj kos valve Chaw tsim tshuaj paus & tsum.