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小锻钢截止阀基本型号
J11H(Y)/J61H(Y)-16C、J11H(Y)/J61H(Y)-25、J11H(Y)/J61H(Y)-40、J11H(Y)/J61H(Y)-63、11H(Y)/J61H(Y)-100、J11W/J61W-16P/R、J11W/J61W-25P/R、J11W/J61W-40P/R、J11W/J61W-63P/R、J11W/J61W-100P/R、J11Y/J61Y-16I、J11Y/J61Y-25I、J11Y/J61Y-40I、J11Y/J61Y-63I、J11Y/J61Y-100I、J11H/J61H-150Lb 、J11H/J61H-300Lb、J11H/J61H-600Lb、J11H/J61H-800Lb、J11W/J61W-150Lb、J11W/J61W-300Lb、J11W/J61W-600Lb、J11W/J61W-800Lb、J11Y/J61Y-150Lb、J11Y/J61Y-300Lb、J11Y/J61Y-600Lb、J11Y/J61Y-800Lb 。
设计标准
设计制造规范:GB/T7746 API 602
结构长度:GB/T12221 ASME B16.10
承插焊连接尺寸:GB/T1751 ASTM B16.11
螺纹连接尺寸:GB/T7306 ASME B1.20.1(NPT)
试验与检验:GB/T13927 JB9092 API 598
结构特点
1、结构紧凑、造型美观、缩径流道。结构特征:B.B或W.B;OS&Y
2、密封面采用合金钢或硬质合金,密封副材料配对合理,使用寿命长。
3、阀瓣为圆锥形,阀杆设有倒密封,密封性好。阀杆表面经氮化处理,具有良好的抗腐蚀性、抗磨擦性。填料采用柔性石墨,密封可靠,操作灵活,启闭力矩小。
4、可选用各种配管法兰标准及连接形式(如:承插焊、对焊、螺纹连接)。
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