AR220-77 Gate Valve, class 150, 300 and 600, heavy duty OS & Y type, bolted bonnet, rising stem, non rising hand wheel, renewable-seatring for Carbon Steel vaIves, stainless steel valves, design std API 600, testing API-598, we export, صمام البوابة, injap pagar, задвижка, robinet-vanne, catalog datasheet