气动闸阀主要零件材质：阀体、阀盖、阀板铸钢、不锈钢阀体及闸板的密封面合金钢阀杆不锈钢双头螺栓35号钢气缸20号无缝钢管活塞铸铝合金手动螺母青铜密封圈石棉橡胶板缠绕式金属石墨垫片活塞环及轴环耐油橡胶○型圈填料函石墨石棉绳主要连接尺寸和外形尺寸：DNDD1D2bfLHDsD0Z-d气源接头501601251001632508651602504-18M12×1.258019516013520328011001603008-1810021518015520330012001603508-1815028024021024335013802194008-23200335295265263400158027340012-23250405355320303450171027340012-25M20×1.5300460410375304500188032550012-25350520470435344550218042650016-25400580525485364600232545955016-30450640585545404650257050055020-30500705650608444700280060060020-34M24×1.5600840770718485800301060060020-41M27×1.5)