Metal Bellows Expansion Joints/Steel Bellows
Metal Bellows Expansion Joints/Steel Bellows
Metal Bellows Expansion Joints/Steel Bellows
Metal Bellows Expansion Joints/Steel Bellows
Metal Bellows Expansion Joints/Steel Bellows
Metal Bellows Expansion Joints/Steel Bellows
Metal Bellows Expansion Joints/Steel Bellows

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Metal Bellows Expansion Joints/Steel Bellows

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Model No. : Axial
Brand Name : liwei
10yrs

Zhengzhou, Henan, China

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  • Platform Certification
  • SGS Certification

Product description

Steel bellows Model NO.:BPDZ
Steel bellows Connection:Flange
Steel bellows Material:Stainless Steel
Steel bellows Type:Axial
Steel bellows Brand:Liwei
Steel bellows Dn:1-1/4''to 48''
Steel bellows Head Code:Round
Steel bellows Pressure:0.6 to 2.5 Mpa
Steel bellows Media:Hot Air, So2, Steam, Water, Oil, Acid and Gas, etc
Certificate:ISO9001&ISO14001
Export Markets:Global


Henan Liwei Industry Co., Ltd:

1. Since 1988, Top 3 manufacturer of stainless steel bellows in China;
2. The Main Drafting Committee of National Standard for Bellows;
3. Qualified Supplier for Nuclear Power Plant;
4. ISO9001:2008 and ISO14001:2004 Certified.

Steel bellows is the compensating element for thermal expansion and relative movement in pipelines, containers and machines. They consist of one or more metal bellows, connectors at both ends, and tie rods that depend on the application. They are differentiated according to the three basic types of movement: axial, angular and lateral expansion joints.

Steel bellows is elastic vessel that can be compressed when pressure is applied to the outside of the vessel, or extended under vacuum. When the pressure or vacuum is released, the bellows will return to its original shape (provided the material has not been stressed past its yield strength).

Why us:
Henan Liwei Industry Co.,Ltd. is a leading manufacturer of stainless steel bellows in China. We have:
(1) Strong R&D strength;
(2) Strict Quality Control System;
(3) Perfect Test System;
(4) Professional After-sale Service Team;
(5) OEM Service.
We are your qualified supplier and reliable friends!
Thanks for your attention. For more information, please feel free to contact our sales manager:Peter Zhang

Material List for Steel Bellows
1 Body 1 Q235A,QT450-10
2 Gland 1 Q235A,QT450-10
3 Sealing 1 NBR,CR,EPDM
4 Bolt n Q235A,35#
5 Nut n Q235A,20#

Technical Parameters for Steel Bellows
PN0.6MPa Unit (mm)
DN Pipe Dia. Flange joint size Installation dimension Expansion δ Weight (kg)
Flange outer dia. Dia. of bolt hole Bolt max min
No. Thickness
65 76 160 130 4 14 220 180 40 11.8
80 89 190 150 18 13.5
100 114 210 170 18.6
125 140 240 200 8 23.8
150 168 265 225 30.4
200 219 320 280 36.9
250 273 375 335 12 49.6
300 325 440 395 22 245 195 50 61.5
350 377 490 445 79.3
400 426 540 495 16 91.2
450 480 595 550 104.1
500 530 645 600 20 123.2
600 630 755 705 26 265 215 169.8
700 720 860 810 24 208.9
800 820 975 920 30 380 320


60


346.1
900 920 1075 1020 380.6
1000 1020 1175 1120 28 438.8
1200 1220 1405 1340 32 33 400 340 646.7
1400 1420 1630 1560 36 36 843.6
1600 1620 1830 1760 40 410 350 1189.7
1800 1820 2045 1970 44 39 1394.8
2000 2020 2265 2180 48 42 430 370 1665.6
2200 2220 2475 2390 52 2056.7
2400 2420 2685 2600 56 2350.1
2600 2620 2905 2810 60 48 490 410 80 2720.4
2800 2820 3115 3020 64 3053.2
3000 3020 3315 3220 68 3460.3
3200 3220 3525 3430 72 3912.6



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