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Join Force Bellows Co. Ltd.

Metal Expansion Joint, Metal Bellows

Join Force Bellows Co. Ltd. is an acknowledged leader in the manufacture of metal expansion joint, metal bellows, with distribution across the globe. We guarantee the quality of our products, since we deal only with authorized and reliable metal expansion joint manufactures, and we have a team of quality analysts who are highly qualified and experienced. We offer expansion joints with high quality and competitive price. As an industry leader of metal expansion joint, metal bellows, our products have a reputation for quality.
Metal Bellows

JF-150SG

Bellows Type Expansion Joints

It is a high quality Van Stoned Ends Bellows Type Flexible Joint for pipeline use.
Features :

We offer Bellows Type Flexible Joint with different size and specifications.We can produce Bellows Type Flexible Joint according to customers' request.

Bellows Type Expansion Joint Construction:

JF-150 series (Van Stoned Ends) Bellows Type Expansion Joint
One-ply bellows van stoned with ductile flanges, with internal sleeve & tie-rods (optional).
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 times Nc > 1,000 times

Construction
No. Parts 150SG 150S 150G 150N Material Option
1 Bellows S.S.304 S.S.316
2 Internal Sleeve S.S.304 S.S.316
3 Flange Ductile Carbon Steel
4 Tie Rods Carbon Steel

Specification :

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

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Our company is a reputed metal expansion joint manufacturer in hardware & metal products. We have a well-maintained quality management comprising a team of experienced professionals that keeps an eye on every metal expansion joint, metal bellows to ensure durability. You'll benefit from our resources, our experience and our personalized customer service. So should you have any questions or need our any products of Join Force Bellows Co. Ltd., please don't hesitate to contact us. We are very welcome any further inquiries and comments from you.