能试验方法27 gb/t12246-1989先导式减压阀28 gb/t12247-1989 蒸汽疏水
neng shi yan fang fa 27 gb/t12246-1989 xian dao shi jian ya fa 28 gb/t12247-1989 zheng qi shu shui
97825 gb/t12244-1989 减压阀一般要求26 gb/t12245-1989 减压阀性
97825 gb/t12244-1989 jian ya fa yi ban yao qiu 26 gb/t12245-1989 jian ya fa xing
9 安全阀性能试验方法24 gb/t12243-1989弹簧直接载荷式安全阀neqjis8210-1
9 an quan fa xing neng shi yan fang fa 24 gb/t12243-1989 dan huang zhi jie zai he shi an quan fa neqjis8210-1
t12241-1989 安全阀一般要求modiso4126-198423 gb/t12242-198
t12241-1989 an quan fa yi ban yao qiu modiso4126-198423 gb/t12242-198
2239-1989 通用阀门隔膜阀21 gb/t12240-1989 通用阀门铁制旋塞阀22 gb/
2239-1989 tong yong fa men ge mo fa 21 gb/t12240-1989 tong yong fa men tie zhi xuan sai fa 22 gb/
gb/t12238-1989 通用阀门法兰和对夹连接蝶阀neqbs5155-198420 gb/t1
gb/t12238-1989 tong yong fa men fa lan he dui jia lian jie die fa neqbs5155-198420 gb/t1
9 通用阀门钢制旋启式止回阀18 gb/t12237-1989 通用阀门法兰和对焊连接钢制球阀19
9 tong yong fa men gang zhi xuan qi shi zhi hui fa 18 gb/t12237-1989 tong yong fa men fa lan he dui han lian jie gang zhi qiu fa 19
b/t12235-1989 通用阀门法兰魔兽冰封王座连接钢制截止阀和升降式止回阀17 gb/t12236-198
b/t12235-1989 tong yong fa men fa lan mo shou bing feng wang zuo lian jie gang zhi jie zhi fa he sheng jiang shi zhi hui fa 17 gb/t12236-198
门铁制截止阀与升降式止回阀15 gb/t12234-1989 通用阀门法兰和对焊连接钢制闸阀16 g
men tie zhi jie zhi fa yu sheng jiang shi zhi hui fa 15 gb/t12234-1989 tong yong fa men fa lan he dui han lian jie gang zhi zha fa 16 g
3 gb魔兽冰封王座/t12232-1989 通用阀门法兰连接铁制闸阀14 gb/t12233-1989 通用阀
3 gb mo shou bing feng wang zuo /t12232-1989 tong yong fa men fa lan lian jie tie zhi zha fa 14 gb/t12233-1989 tong yong fa
989 通用阀门碳素钢铸件技术条件12 gb/t12230-1989 通用阀门奥氏体钢铸件技术条件1
989 tong yong fa men tan su gang zhu jian ji shu tiao jian 12 gb/t12230-1989 tong yong fa men ao shi ti gang zhu jian ji shu tiao jian 1
件技术条件10 gb/t12228-1989 通用阀门碳素钢锻件技术条件11 gb/t12229-1
jian ji shu tiao jian 10 gb/t12228-1989 tong yong fa men tan su gang duan jian ji shu tiao jian 11 gb/t12229-1
/t12226-1989 通用阀门灰铸铁件技术条件9魔兽冰封王座 gb/t12227-1989 通用阀门球墨铸铁
/t12226-1989 tong yong fa men hui zhu tie jian ji shu tiao jian 9 mo shou bing feng wang zuo gb/t12227-1989 tong yong fa men qiu mo zhu tie
24-1989 钢制阀门一般要求7 gb/t12225-1989 通用阀门铜合金铸件技术条件8 gb
24-1989 gang zhi fa men yi ban yao qiu 7 gb/t12225-1989 tong yong fa men tong he jin zhu jian ji shu tiao jian 8 gb
23-1989部分回转阀魔兽冰封王座门 驱动装置的连接modiso5211/1~/3-19826 gb/t122
23-1989 bu fen hui zhuan fa mo shou bing feng wang zuo men qu dong zhuang zhi de lian jie modiso5211/1~/3-19826 gb/t122
222-1989 多回转阀门驱动装置的连接modiso5210/1~/3-19825 gb/t122
222-1989 duo hui zhuan fa men qu dong zhuang zhi de lian jie modiso5210/1~/3-19825 gb/t122
jb97~98-75jb1686~1688-75 neq iso5752-魔兽冰封王座19824 gb/t12
jb97~98-75jb1686~1688-75 neq iso5752- mo shou bing feng wang zuo 19824 gb/t12
06-78 modiso5209-19773 gb/t12221-1989法兰连接金属阀门 结构长度
06-78 modiso5209-19773 gb/t12221-1989 fa lan lian jie jin shu fa men jie gou chang du
gb8魔兽冰封王座464-87gb8465.1~.8-872 gb/t12220-1989 通用阀门标志 jb1
gb8 mo shou bing feng wang zuo 464-87gb8465.1~.8-872 gb/t12220-1989 tong yong fa men biao zhi jb1
序号 标准编号 标准名称 代替标准编号 采标情况1 gb/t8464-1998水暖用内螺纹连接阀门
xu hao biao zhun bian hao biao zhun ming cheng dai ti biao zhun bian hao cai biao qing kuang 1 gb/t8464-1998 shui nuan yong nei luo wen lian jie fa men