This safety valve are used for the equipment and pipeline of the steam, air etc medium what the working temperature are less than 350℃. Take for extra pressure protection devices.Flange connecting dimensions of comply with Standard series one of JB/T-94. NO. 零件名称 Name of part Materials 1 阀 体 Body WCB 2 阀 座 Nozzle ZG2Cr13 3 调 节 圈 Adjusting ring ZG2Cr13 4 阀 瓣 Disc 2Cr13 5 导 向 套 Guide sleeve 2Cr13 6 阀 盖 Bonnet ZG230-450 7 弹 簧 Spring 50CrVA 8 阀 杆 Stem 2Cr13 9 扳 手 Lever ZG200-400 10 调整螺杆 Adjusting bolt 45 11 保 护 罩 Cap ZG200-400 密封面材料 Sealing surface of material "H" 型堆焊D507,"Y"堆焊Co基硬质合金"H" type De*iting D507, "Y" type De*iting stellite 标签: 上海市微启式安全阀 上海市微启式安全阀厂家 上海市 上海市上海市微启式安全阀厂家 供应A47Y-16C带扳手弹簧微启式安全阀