▲船用吸入粗水滤器CB/T497-94型式：A型（直通海水滤器）AS型（直通海水滤器）B型（直角海水滤器）BS型（直角海水滤器）BR型（右式直角海水滤器）BRS型（左式直角海水滤器）公称压力；PN0.1MPA-PN6.4MPA公称通径DN40-DN500（非标定制：DN500-DN1000）适用介质；海水，淡水材料：阀体：碳钢，阀盖：碳钢，螺纹；不锈钢304#)