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JB-22, Bellows Expansion/Contraction Pipe Fitting

JB-22, Bellows Expansion/Contraction Pipe Fitting

Enhanced durability for building facilities, air-conditioning facilities, factory facilities, etc. with use of double-layer bellows

· Compliant with JIS B2352 bellows expansion pipe fitting Application A (primarily including cooling and heating, air conditioning and sanitary piping).
· Absorbs expansion and contraction in the axial direction of the pipe caused by temperature changes.
· Two-layer bellows improves durability.
· Stainless steel is used for all parts excluding the flange. The materials of the bellows as well as the liquid-contacting parts are SUS316L.
· A loose flange is used for end connections in order to absorb play in the circumferential direction of the bolt hole.
· A compound fitting (JB-22 nominal diameter of 150 or less) can be used to adjust the mounting leg position (fine tuning of the height and forward back direction).

Part Number

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Part Number
Part NumberStandard Unit PriceVolume DiscountShipping Days?Nominal Diameter

3,058.67 €

9 Days 10B(250A)


  1. 1

Basic information

Fitting type Bellows shape Applicable Fluid Vapor / Water / Gas / Oil / Air End Connection JIS, 10K, Loose Flange
Liquid contact parts material Stainless Steel (EN 1.4404 Equiv.) Connection parts material SS Maximum Applicable Pressure(MPa) 1
Fluid temperature(°C) 220 or Less

This page is JB-22, Bellows Expansion/Contraction Pipe Fitting, part number JB22-N-250A.
You can find the detail information about specifications and dimensions on part number JB22-N-250A.

Variation of this product

Part Number
Part NumberStandard Unit PriceVolume DiscountShipping Days?Nominal Diameter

1,563.57 €

9 Days 6B(150A)

2,291.51 €

9 Days 8B(200A)

282.07 €

9 Days 3/4B(20A)

289.93 €

9 Days 1B(25A)


49 Days 12B(300A)

329.21 €

9 Days 1 1/4B(32A)

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