Q47型固定式球阀是新一代高性能球阀，适用于长输管线和一般工业管线，其安全、耐恶劣环境性等的设计
时均已进行了特殊考虑，适用于各种腐蚀介质。它与滚动式球阀相比，工作时管道中阀前流体压力在球体上
产生的作用力全部传递给上下轴承，球体不会移动，阀门密封靠弹簧和介质压力推动阀座实现，因而阀座不
会承受过大压力，所以Q 47型固定式球阀阀座变形小，操作力端轻，密封性能可靠，使用寿命长，特别适用
于高压、大口径的场所。
阀体、阀盖GBWCBLBZG1Cr18Ni9TiZG1Cr18Ni12Mo 2ASTMWCBLCBCf 8CF 8 M
球体GB2Cr131Cr18Ni9Ti1Cr18Ni9Ti1Cr18Ni12Mo2ASTM420304304-HF318
阀杆GB2Cr132Cr131Cr18Ni9Ti1Cr18Ni12Mo 2ASTM420420304318
阀座GB2Cr13/PTFE2Cr13/PTFE1Cr18Ni9Ti/PTFE1Cr18Ni12Mo2/PTFEASTM420/PTFE420/PTFE304/PTFE316/PTFE
填料GBPTFEPTFEPTFEPTFEASTMPTFEPTFEPTFEPTFE
螺栓GB35350Cr18Ni90Cr18Ni9ASTMA183B7A183B7A320-88A320-88
螺母GB45450Cr18Ni90Cr18Ni9ASTMA1932HA1932HA194-8A194-8
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2.5Mpa25251651158565-2-164 - 14-753232-2-184 - 18-854040-3-184 - 10-9250502-3-204 - 18-1076555241180145120-3-228 - 18-95160135-3-248 - 18-5230180160-3-288 - 23-1270220188-3-308 - 25-2520250218-3-348 - 25-272200200502380310278-3-3412 - 25-398250250508425370332-3-3612 - 25335495300300548485430390-4-4012 - 30385580350350762550400448-4-4416 - 34430625400400838610550505-4-4816 - 34470720500500991730660610-4-5220 - 40018-5-5620 - 470015-5-6024 - 487801241070990930-5-6424 - 489501220