J41W型不锈钢截止阀 设计与制造标准： 1、设计制造按GB12235-89 2、结构长度按GB12221-89 3、法兰尺寸按JB/G79-94 4、阀门检查和试验按GB13927 J41W型不锈钢截止阀性能规范 | 型号 | 公称压力 | 试验压力 | 工作温度(℃) | 适用介质 | | 强度(水)(Mpa) | 密封(水)空气(Mpa) | 低压密封空气(Mpa) | | J41W-16P(R) | 1.6 | 2.4 | 1.8 | 0.6 | ≤200 | NITRIC ACID | | J41W-25P(R) | 2.5 | 3.8 | 2.8 | 0.6 | ≤200 | 硝酸类 | | ACETIC ACID | | 醋酸类 | | NITRIV ACID | | 硝酸类 | | J41W-40P(R) | 4.0 | 6.0 | 4.4 | 0.6 | ≤200 | ACETIC ACID | | J41W-64P(R) | 6.4 | 9.6 | 7.0 | 0.6 | ≤200 | 醋酸类 | |
