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Click Specification

Unit:mm

Flared Couplings - Style A Nut

GB /T 5647 - 2008

Display drawing:

国标GB /T5647 - 2008 GB5647 5647GB Flared Couplings - Style A Nut

Tube outer diameter

4

5

6

8

10

12

14

16

18

20

22

25

28

32

34

d
D₃	min=nominal size
	max
L₁
L
m
s

M10×1	M10×1	M12×1.5	M14×1.5	M16×1.5	M18×1.5	M22×1.5	M24×1.5	M27×1.5	M30×2	M33×2	M36×2	M39×2	M42×2	M45×2
5.5	6.5	7.5	9.5	11.5	13.5	16	18	20	22	24	27	30	34	36
5.575	6.59	7.59	9.59	11.61	13.61	16.11	18.13	20.13	22.13	24.13	27.13	30.16	34.16	36.16
6.5	6.5	7.5	8.5	9.5	9.5	9.5	10	10	10.5	11.5	12	13	13.5	14
11.5	11.5	13.5	15.5	16.5	16.5	16.5	17	17	20.5	21.5	22	23	23.5	24
13.5	13.5	16.5	18.5	19.5	19.5	19.5	20	20	24.5	25.5	26	27.5	28.5	29
12	12	14	17	19	22	27	30	32	36	36	41	46	50	50

Similar Standards

1		[ISO] ISO 8434 (-1) - 2007	Metallic tube connections for fluid power and general use--Part 1: 24° cone connectors [tube nut] View Suppliers
2		[DIN] DIN 74305-2 - 1994	Non-welded tube connection hex nut View Suppliers
3		[DIN] DIN 431 - 1982	Pipe nuts with thread in accordance with DIN ISO 228 Part 1 View Suppliers
4		[GB] GB /T 9125.1 - 2020	Hexagon Nuts For Pipe Flange Connection,Type 1
5		[GB] GB /T 9125.1 - 2020	Hexagon Nuts For Pipe Flange Connection,Type 2
6		[GB] GB /T 9125.2 - 2020	Hexagon Nuts For Pipe Flange Connection,Type 1
7		[GB] GB /T 9125.2 - 2020	Hexagon Nuts For Pipe Flange Connection,Type 2
8		[GB] GB /T 9125 - 2010	Hexagon Nuts For Pipe Flange Connection,Type 1
9		[GB] GB /T 9125 - 2003	Hexagon Nuts For Pipe Flange Connection,Type 1
10		[GB] GB /T 5649 - 2008	Flared Couplings—Lock Nut
11		[ISO] ISO 8434 (-3) - 2005	Metallic tube connections for fluid power and general use — Part 3: O-ring face seal connectors [Tube nuts]
12		[ISO] ISO 8434 (-2) - 1994	Metallic tube connections for fluid power and general use--Part 2: 37° Flared fittings [tube nuts]
13		[DIN] DIN 8912 (US4) - 1990	Coupling Nut Assemblies