hat
evalyasyon Presyon: class150, class300, class400, class600, class900, class1500, class2500 _ PN6, PN10, PN25, PN40, PN64 tèrès yo eksetera.
eng
Standards: ANSI B16.5, ANSI B 16,47 Series yon &amp; b, MSS SP44, ASA, API-605, AWWA