原文:GB12237-89《通用閥門 法蘭和對焊連接鋼制球閥》
GB/T15185-94《鐵制和銅制球閥》
GB8464-87《內螺紋連接閘閥、截止閥、球閥、止回閥通用技術條件》
GB8465.3-87《內螺紋連接閘閥、截止閥、球閥、止回閥 基本尺寸 鐵制球閥》
JB/T53167-94《球閥 產(chǎn)品質量分等》
JB/Z246-85《球閥 靜壓壽命試驗規(guī)程》
球閥的主要標準如下:GB12237-89 "universal valve steel ball valve connecting flange and butt"
GB/T15185-94 "iron and copper ball valve"
GB8464-87 "inside thread connection gate valve, globe valve, ball valve, check valve general technical conditions"
GB8465.3-87 "inside thread connection gate valve, globe valve, ball valve, check valve basic size steel ball valve,"
JB/T53167-94 "ball valve product quality grading"
JB/Z246-85 "Ball Static life test procedures"