给水截止阀门规格和型号？pe截止阀尺寸？DN25氧气截止阀长宽高？船用截止阀的规格？给水截止阀门规格和型号？常见的截止阀型号有： 美日标截止阀：J41Y、J41W; 波纹管截止阀：WJ41H、WJ41W； 不锈钢截止阀：J41F、J41H、J41W； 低温截止阀：DJ41H、DJ41Y、DJ41F；...