HT-GVB黄铜法兰球阀产品概述变压器专用注油，放油黄铜法兰球阀，密封可靠，指示明确。结构图HT-GVB黄铜法兰球阀装置结构如下图所示：黄铜法兰球阀外形尺寸表：公称尺寸DND1D2D3D4N-DLL1L2示图254052115854-148417580图15074901601254-18108185105801101301951608-18127189129图2100130150220180140229151)