閥門主體材料:WCB、CF8、CF8M、CF3、CF3M 公稱壓力:1.6/2.5/4.0/6.4/10/15Mpa 公稱尺寸:DN15-DN250(1/2~10”) 適用介質:水、油、氣、化工、電站等 適用溫度:-29℃~425℃