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Join Force Bellows Co. Ltd.

Metallic Expansion Joint

Join Force Bellows Co. Ltd. started with the development and manufacture of metallic expansion joint. With the continuous effort over the years, our company has accumulated industry’s best R&D capabilities and became one of the biggest and highest quality manufacturers. Join Force Bellows Co. Ltd. achieved a market leader position in the metallic expansion joint and thereby strengthens the company’s position on the hardware & metal products market. We are the global leader in hardware & metal products. We develop, manufacture and distribute groundbreaking metallic expansion joint that shatter the status quo and help customers gain and maintain a competitive edge. If you'd like to ask us a question or tell us something about your experience, you can get in touch by email, phone or post.
Categories > Expansion Joints
Expansion Joint

JF-400SP

Expansion Joint

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This is a durable Weld Ends Axial Expansion Joint available for OEM service.
If you are looking for Expansion Joint OEM service supplier, please do not hesitate to contact us.
Features :

JF-400series (weld ends) Axial Expansion Joints
16bars 25bars
Multiply bellows welded to weld ends, with internal sleeve; tie-rods and external covers are optional.
Designed to absorb axial movement of medium pressure/ temperature pipeline.		 Multiply bellows welded to weld ends, with internal sleeve; tie-rods and external covers are optional.
Designed to absorb axial movement of high pressure/ temperature pipeline.

JF-400 series (weld ends) Axial Expansion Joints
Size Range DN15 ~ DN600 (1/2” ~ 24”) DN15 ~ DN600 (1/2” ~ 24”)
Pressure/ Temperature rating 16bars at 120℃ 25bars at 120℃
Cycle Life Nc ＞ 1,000 times Nc ＞ 1,000 times

Construction
No. Parts 400SP 400SPC 400SPG 400SPGC Standard Material Optional Material
1 Bellows S.S.304 S.S.316
2 Internal Sleeve S.S.304 S.S.316
3 Tube Ends Carbon Steel S.S.304/ S.S.316
4 Tie Rods Carbon Steel S.S.304/ S.S.316
5 Lugs Carbon Steel S.S.304/ S.S.316
6 External Covers Carbon Steel S.S.304/ S.S.316

Specification :

16bars

Size OAL Thickness of Weld Ends Axial Movement Axial Spring Rate Effective Area
400SP 400SPC
400SPG		 400SPGC
mm ins mm mm mm mm mm N/mm cm2
15 1/2 350 400 450 2.8 +10 -40 14 6
20 3/4 350 400 450 2.9 +10 -40 14 6
25 1 350 400 450 3.4 +10 -40 22 8
32 1 1/4 350 400 450 3.6 +10 -40 25 13
40 1 1/2 350 400 450 3.7 +10 -40 36 20
50 2 350 400 450 3.9 +10 -40 52 32
65 2 1/2 350 400 450 5.2 +10 -40 90 49
80 3 350 400 450 5.5 +10 -40 105 67
100 4 350 400 450 6.0 +10 -40 152 122
125 5 350 400 450 6.6 +10 -40 161 176
150 6 350 400 450 7.1 +10 -40 230 258
200 8 350 400 450 8.2 +10 -40 272 414
250 10 350 400 450 9.3 +10 -40 386 658
300 12 350 400 450 9.5 +10 -40 434 904
350 14 350 400 450 9.5 +10 -40 535 1171
400 16 350 400 450 9.5 +10 -40 688 1515
450 18 350 400 450 9.5 +10 -40 764 1886
500 20 350 400 450 9.5 +10 -40 1053 2324
550 22 350 400 450 9.5 +10 -40 1144 2779
600 24 350 400 450 9.5 +10 -40 1236 3274
※Other size, pressure rating, axial movement, and material are available on request

25bars
Size OAL Thickness of Weld Ends Axial Movement Axial Spring Rate Effective Area
400SP 400SPC
400SPG		 400SPGC
mm ins mm mm mm mm mm N/mm cm2
15 1/2 350 400 450 2.8 +10 -40 14 6
20 3/4 350 400 450 2.9 +10 -40 14 6
25 1 350 400 450 3.4 +10 -40 22 8
32 1 1/4 350 400 450 3.6 +10 -40 25 13
40 1 1/2 350 400 450 3.7 +10 -40 37 20
50 2 350 400 450 3.9 +10 -40 58 31
65 2 1/2 350 400 450 5.2 +10 -40 92 49
80 3 350 400 450 5.5 +10 -40 108 66
100 4 350 400 450 6.0 +10 -40 152 122
125 5 350 400 450 6.6 +10 -40 161 176
150 6 350 400 450 7.1 +10 -40 230 258
200 8 350 400 450 8.2 +10 -40 340 419
250 10 350 400 450 9.3 +10 -40 522 662
300 12 350 400 450 9.5 +10 -40 589 908
350 14 350 400 450 9.5 +10 -40 1035 1171
400 16 350 400 450 9.5 +10 -40 1031 1521
450 18 350 400 450 9.5 +10 -40 1146 1893
500 20 350 400 450 9.5 +10 -40 1578 2333
550 22 350 400 450 9.5 +10 -40 1714 2788
600 24 350 400 450 9.5 +10 -40 1853 3284
※Other size, pressure rating, axial movement, and material are available on request

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Our company has been specializing in manufacturing metallic expansion joint for many years. Our metallic expansion joint after being procured form our vendors severely checked at our quality controlling section in order to make sure the competence of the products. We believe that our industry is one where reliability in long-term use, functionality and cost are all of great importance, but that it is reliability that differentiates the truly superior products. If you're looking for superior manufacturer and supplier of metallic expansion joint, Join Force Bellows Co. Ltd. is your only sensible choice.