Bellows Type Expansion Joint Manufacturer

JF-150 series (Van Stoned Ends) Bellows Type Expansion Joints
One-ply bellows van stoned with ductile flanges, with internal sleeve & tie-rods (optional). Bellows Type Expansion Joints are designed to absorb axial movement of low/ medium pressure/ temperature pipeline.

JF-150 seriesBellows Type Expansion Joints (Van Stoned Ends)
Size Range	DN40 ~ DN300 (1-1/2” ~ 12”)	DN40 ~ DN300 (1-1/2” ~ 12”)
Pressure/ Temperature rating	10 kg/cm² at 120℃	16 Bar at 120℃
Cycle Life	Nc ＞ 1,000 次	Nc ＞ 1,000 次

Construction

Specification（Fitted with JIS 10K flanges）

DN		OAL	Thickness of Flange	Bellows Length	Axial Movement	Axial Spring Rate	Effective Area
mm	ins	mm	mm	mm	mm	N/mm	cm²
40	1 1/2	300	16	180	+10 -40	22	20
50	2	300	16	180	+10 -40	32	31
65	2 1/2	300	18	180	+10 -40	49	49
80	3	300	18	180	+10 -40	57	67
100	4	300	18	180	+10 -40	62	106
125	5	300	20	180	+10 -40	68	164
150	6	300	22	180	+10 -40	113	229
200	8	300	22	180	+10 -40	134	384
250	10	300	24	180	+10 -40	198	588
300	12	300	24	180	+10 -40	214	825

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

Specification（Fitted with DIN PN16 flanges）

DN		OAL	Thickness of Flange	Bellows Length	Axial Movement	Axial Spring Rate	Effective Area
mm	ins	mm	mm	mm	mm	N/mm	cm²
40	1 1/2	300	16	180	+10 -40	23	20
50	2	300	18	180	+10 -40	39	33
65	2 1/2	300	18	180	+10 -40	60	51
80	3	300	20	180	+10 -40	70	69
100	4	300	20	180	+10 -40	105	110
125	5	300	22	180	+10 -40	154	172
150	6	300	22	180	+10 -40	205	241
200	8	300	24	180	+10 -40	296	403
250	10	300	26	180	+10 -40	401	611
300	12	300	28	180	+10 -40	474	851

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

JF-150 series
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