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JB-24, Bellows Type Expansion/Contraction Pipe Fitting

JB-24, Bellows Type Expansion/Contraction Pipe Fitting

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

· Extendable pipe fitting for 2.0 MPa applications that uses a SUS316L bellows with superior corrosion resistance and durability.
· The distance between faces is the same as the JIS-compliant JB-21 and 22 models.
· Two-layer bellows improves durability.
· Stainless steel is employed for all parts excluding the flange. The bellows as well as the liquid-contacting parts are made of SUS316L.
· Employs a loose flange for connecting ends that adjusts to offset bolt holes in the circumferential direction.
· Double acting fittings (JB-24 model has a nominal diameter of 150 or less) provide improved workability thanks to their ability to adjust the mounting leg position (fine adjustment of height and forward/backward direction).


Japanese Only

Part Number

Configured Part Number is shown.

Part Number
Part NumberVolume DiscountDays to ShipNominal Diameter
7 Day(s) or more 3/4B(20A)
7 Day(s) or more 1B(25A)
7 Day(s) or more 1 1/4B(32A)
7 Day(s) or more 1 1/2B(40A)
7 Day(s) or more 2B(50A)
7 Day(s) or more 2 1/2B(65A)
7 Day(s) or more 3B(80A)
7 Day(s) or more 4B(100A)
7 Day(s) or more 5B(125A)
7 Day(s) or more 6B(150A)
7 Day(s) or more 8B(200A)
92 Day(s) or more 10B(250A)
Quote 12B(300A)


  1. 1

Basic Information

Fitting Type Bellows shape Applicable Fluid Steam / Water / Gas / Oil / Air End Connection JIS, 20K, Loose Flange
Wetted Materials Stainless Steel (SUS316L) Connecting Part Material S25C Maximum Applicable Pressure(MPa) 2.0
Fluid temperature(℃) 250 or Less

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