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焊接式直角管接頭 JB 971 - 1977

選擇規格尺寸點擊↓

尺寸單位: mm

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公差

管外徑

公稱通徑 DN
d₁
d₂
h
L₁
L
s
s₁
1—接管JB2099
2—螺母JB981
3—O形圈GB1235
4—接頭體JB989

3	6	8	10	15	20	25	32	40
7.5	11	16	19	22	28	34	42	50
6.5	10.5	14.5	18.5	22.5	28.5	34.5	42.5	50.5
12	15	20	22	26	30	36	40	48
14	16.5	19	21	21	24	26	28	30
24	28.5	35	39	43	48	57	64	74
10	14	19	24	27	32	41	50	60
14	19	27	32	36	41	50	60	70
6	10	14	18	22	28	34	42	50
M12×1.25	M16×1.5	M22×1.5	M27×1.5	M30×1.5	M36×2	M42×2	M52×2	M60×2
8×1.9	11×1.9	16×2.4	20×2.4	24×2.4	30×3.1	35×3.1	40×3.1	45×3.1
6	10	14	18	22	28	34	42	50

①,技術條件按JB1003-77的規定。應用無縫鋼管的材料為15、20鋼，精度為普通級。

引用參考

GB /T 1172 - 1999

黑色金屬硬度及強度換算值

GB /T 5267.1 - 2002

鍍鋅、鍍鎳、鍍镉、複合鍍等層鍍層鹽霧腐蝕的防護性能

GB /T 193 - 2003

普通螺紋（一般用途米制螺紋）- 直徑與螺距系列 (ISO 261: 1998, MOD)

注：技術數據僅供參考，請以官方原件為準！

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27	[機械行業] JB 974 - 1977	焊接式隔壁直通管接頭 Welded partition wall straight pipe joint
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30	[機械行業] JB 989 - 1977	焊接式直角管接頭體
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34	[美标] SAE J 513 (010204-ES) - 2019	制冷劑管接頭 - Flare To Solder 90 Degree Reducing Elbow Refrigeration Tube Fittings - Flare To Solder 90 Degree Reducing Elbow
35	[英标] BS EN 10241 (T7) - 2000	鋼制螺紋管件表7 - 等徑三通和四通彎頭 Steel threaded pipe fittings, Table 7 - Elbow, tee and cross, equal
36	[英标] BS EN 10241 (T8) - 2000	鋼制螺紋管件表8 - 等徑45°彎頭 Steel threaded pipe fittings, Table 8 - Elbow, equal 45 degrees
37	[英标] BS EN 10241 (T9) - 2000	鋼制螺紋管件表9 - 等徑内外螺紋彎頭 Steel threaded pipe fittings, Table 9 - Elbow, male and female, equal
38	[英标] BS EN 10241 (T10) - 2000	鋼制螺紋管件表10 - 中小異徑三通 Steel threaded pipe fittings, Table 10 - Tee, reducing on the branch
39	[英标] BS EN 10241 (T11) - 2000	鋼制螺紋管件表11 - 重型外接頭和半外接頭 Steel threaded pipe fittings, Table 11 - Socket and half socket, equal, type heavy
40	[英标] BS EN 10241 (T13) - 2000	鋼制螺紋管件表13 - 異徑外接頭 Steel threaded pipe fittings, Table 13 - Reducing socket
41	[英标] BS EN 10241 (T14) - 2000	鋼制螺紋管件表14- 外六角等徑内接頭 Steel threaded pipe fittings, Table 14 - Hexagonal nipple, equal
42	[英标] BS EN 10241 (T15) - 2000	鋼制螺紋管件表15 - 外六角内外接頭 Steel threaded pipe fittings, Table 15 - Hexagon bush
43	[英标] BS EN 10241 (T18) - 2000	鋼制螺紋管件表18 - 平座/錐座活接頭 Steel threaded pipe fittings, Table 18 - Socket union
44	[英标] BS EN 10241 (T21) - 2000	鋼制螺紋管件表21 - 長螺管 Steel threaded pipe fittings, Table 21 - Longscrew
45	[英标] BS EN 10241 (T22) - 2000	鋼制螺紋管件表22 - 管螺紋接套 Steel threaded pipe fittings, Table 22 - Pipe nipple
46	[英标] BS EN 10241 (T23) - 2000	鋼制螺紋管件表23 - 短管接頭/全牙接頭/筒形接頭 Steel threaded pipe fittings, Table 23 - Running nipple, close nipple and barrel nipple
47	[英标] BS EN 10241 (T24-1) - 2000	鋼制螺紋管件表24 - 月彎管 1型 Steel threaded pipe fittings, Table 24 - Bend - Type 1
48	[英标] BS EN 10241 (T24-1A) - 2000	鋼制螺紋管件表24 - 直長螺紋月彎管 1A型 Steel threaded pipe fittings, Table 24 - Bend - Type 1A
49	[英标] BS EN 10241 (T24-2) - 2000	鋼制螺紋管件表24 - 112.5°彎管 2型 Steel threaded pipe fittings, Table 24 - spring - Type 2
50	[英标] BS EN 10241 (T24-3) - 2000	鋼制螺紋管件表24 - 135°彎管 3型 Steel threaded pipe fittings, Table 24 - spring - Type 3
51	[英标] BS EN 10241 (T24-4) - 2000	鋼制螺紋管件表24 - 157.5°彎管 4型 Steel threaded pipe fittings, Table 24 - spring - Type 4
52	[英标] BS EN 10241 (T24-U) - 2000	鋼制螺紋管件表24 - U型彎管 Steel threaded pipe fittings, Table 24 - Return bend
53	[英标] BS EN 10241 (T12)	鋼制螺紋管件表12 - 中型外接頭和半外接頭 Steel threaded pipe fittings, Table 12 - Socket and half socket, equal, type medium