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JB-13, Bellows Expansion/Contraction Pipe Fitting

JB-13, Bellows Expansion/Contraction Pipe Fitting

Building facilities, air conditioning facilities, factory facilities, etc.

· Compliant with Class A JIS B2352 bellows expansion pipe fitting applications (mainly used in cooling and heating, air conditioning and sanitary piping).
· Absorbs expansion and contraction in the axial direction of piping caused by temperature changes.
· Bellows and inner cylinder are made of SUS316L manufactured using a unique forming and fastening method; superior durability and corrosion resistance.


Japanese Only

Part Number

Configured Part Number is shown.

Part Number
Part NumberVolume DiscountDays to ShipNominal Diameter
10 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)
10 Day(s) or more 5B(125A)
10 Day(s) or more 6B(150A)
10 Day(s) or more 8B(200A)
10 Day(s) or more 10B(250A)
50 Day(s) or more 12B(300A)


  1. 1

Basic Information

Fitting Type Bellows shape Applicable Fluid Steam / Water / Gas / Oil / Air End Connection JIS 10K RF flange
Wetted Materials Stainless Steel (SUS316L) Connecting Part Material SS Maximum Applicable Pressure(MPa) 1
Fluid temperature(℃) 220 or Less

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