Flanged Ends Axial Expansion Joints Supplier

JF-400 series (Flanged Ends) Axial Expansion Joints
Multiply bellows welded to weld ends, with internal sleeve; tie-rods and external covers are optional. Designed to absorb axial movement of medium and/ or low pressure/ temperature pipeline.

JF-400 series (Flanged Ends) Axial Expansion Joints
Size Range	DN15 ~ DN600 (1/2” ~ 24”)	DN15 ~ DN600 (1/2” ~ 24”)
Fitted Flange	JIS 16K, DIN PN16, ANSI 150LB (and other lower pressure rating flanges)	JIS 20K、DIN PN25、ANSI 300LB (and other lower pressure rating flanges)
Pressure/ Temperature rating	16bars at 120℃	16bars at 120℃
Axial Movement	+10 / -40mm	+10 / -40mm
Cycle Life	Nc ＞ 1,000 times	Nc ＞ 1,000 times

Construction

No.	Parts	Standard Material	Optional Material
1	Bellows	S.S.304	S.S.316
2	Internal Sleeve	S.S.304	S.S.316
3	Flanges	Carbon Steel	S.S.304/ S.S.316
4	Tube Ends	Carbon Steel	S.S.304/ S.S.316
5	Tie Rods	Carbon Steel	S.S.304/ S.S.316
6	Lugs	Carbon Steel	S.S.304/ S.S.316

(DIN PN16)

Size		OAL	Flanges Thickness (DIN PN16)	Axial Movement	Axial Spring Rate	Effective Area
mm	ins	mm	mm	mm	N/mm	cm²
15	1/2	350	14	+10 -40	14	6
20	3/4	350	16	+10 -40	14	6
25	1	350	16	+10 -40	22	8
32	1 1/4	350	16	+10 -40	25	13
40	1 1/2	350	16	+10 -40	36	20
50	2	350	18	+10 -40	52	32
65	2 1/2	350	18	+10 -40	90	49
80	3	350	20	+10 -40	105	67
100	4	350	20	+10 -40	152	122
125	5	350	22	+10 -40	161	176
150	6	350	22	+10 -40	230	258
200	8	350	24	+10 -40	272	414
250	10	350	26	+10 -40	386	658
300	12	350	28	+10 -40	434	904
350	14	350	30	+10 -40	535	1171
400	16	350	32	+10 -40	688	1515
450	18	350	32	+10 -40	764	1886
500	20	350	34	+10 -40	1053	2324
600	24	350	34	+10 -40	1236	3274

※Other size, pressure rating, axial movement, and material are available on request

(DIN PN25)

Size		OAL	Flanges Thickness (DIN PN25)	Axial Movement	Axial Spring Rate	Effective Area
mm	ins	mm	mm	mm	N/mm	cm²
15	1/2	350	16	+10 -40	14	6
20	3/4	350	18	+10 -40	14	6
25	1	350	18	+10 -40	22	8
32	1 1/4	350	18	+10 -40	25	13
40	1 1/2	350	18	+10 -40	36	20
50	2	350	20	+10 -40	52	32
65	2 1/2	350	22	+10 -40	90	49
80	3	350	24	+10 -40	105	67
100	4	350	24	+10 -40	152	122
125	5	350	26	+10 -40	161	176
150	6	350	28	+10 -40	230	258
200	8	350	30	+10 -40	355	418
250	10	350	32	+10 -40	522	662
300	12	350	34	+10 -40	589	908
350	14	350	38	+10 -40	1035	1171
400	16	400	40	+10 -40	1031	1521
450	18	400	40	+10 -40	1146	1893
500	20	400	44	+10 -40	1578	2333
600	24	400	46	+10 -40	1853	3284

※Other size, pressure rating, axial movement, and material are available on request

JF-400SG