We are using cookies to offer a more comfortable experience in our online shop

For example, we can show you personalized product recommendations and offer the best possible service functions in the ordering process. You can manage your cookie settings under privacy policy at any time.

  • Due to a temporary system error, the displayed tracking information within the online ordering system are currently wrong. Please track the displayed tracking number as follows. For shipments within Germany please track with GLS. For shipments to all other European countries, please track with TNT / FedEX. We are sorry for the inconvenience caused.
  • Important notice: Due to COVID-19 our costs for importing products to Europe have increased tremendously. Therefore, an additional freight cost surcharge of 11.50 Euros per delivery will be invoiced from May 1st, 2020 temporally. Find further information here.
  • Scheduled Maintenance Notice: This site will be unavailable due to scheduled maintenance from 2:00 24/1/2021 to 0:00 (CET) 25/1/2021. We apologize for the inconvenience.

JB-21 Type Bellows-Style Telescopic Pipe Fitting (JB21-N-300A)

JB-21 Type Bellows-Style Telescopic Pipe Fitting JB21-N-300A

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

· Bellows and inner cylinder made of SUS316L manufactured with unique forming and fastening method; for superior durability and corrosion resistance.
· Weight reduction by 20 to 40% is realized compared to the manufacturer's conventional product.
· Compliant with applications of JIS B2352 bellows expansion pipe fitting (mainly in cooling and heating, air conditioning, and sanitary piping).
· Absorbs expansion and contraction in the pipe axial direction caused by temperature changes.

Part Number

Once your search is narrowed to one product,
the corresponding part number is displayed here.


Part Number
Part NumberStandard Unit PriceVolume DiscountShipping Days?Nominal Diameter


Quote 12B(300A)


  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-21 Type Bellows-Style Telescopic Pipe Fitting, part number JB21-N-300A.
You can find the detail information about specifications and dimensions on part number JB21-N-300A.

Variation of this product

Part Number
Part NumberStandard Unit PriceVolume DiscountShipping Days?Nominal Diameter

1,320.10 €

9 Days 8B(200A)

156.36 €

9 Days 3/4B(20A)

1,693.72 €

9 Days 10B(250A)

187.79 €

9 Days 1 1/4B(32A)

206.22 €

9 Days 1 1/2B(40A)

235.10 €

9 Days 2B(50A)

Additional Products in this Category

Tech Support