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NK-7000/7100 Pressure Resistant Ring-Type Expansion Joint

NK-7000/7100 Pressure Resistant Ring-Type Expansion Joint

A presure-resistant ring is installed in the bellows indentation fot high-presure piping. NK-7000 is a single-bellows type, while NK-7100 is a double-bellows type.


Part Number

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the corresponding part number is displayed here.

Part Number
Part NumberStandard Unit PriceVolume DiscountShipping Days?RoHSNominal Length
Bellows Pitch
Plate Thickness

1,929.40 €

17 Days 10250A400Single Bellow401.5

2,055.48 €

17 Days 10250A450Single Bellow401.5

2,181.56 €

17 Days 10250A500Single Bellow401.5

2,307.74 €

17 Days 10250A550Single Bellow401.5

5,388.99 €

20 Days 10250A1200Double Bellows401.5

5,887.16 €

20 Days 10250A1300Double Bellows401.5

6,385.42 €

20 Days 10250A1400Double Bellows401.5

6,883.60 €

20 Days 10250A1500Double Bellows401.5


  1. 1

Basic information

Fitting type Bellows shape Applicable Fluids Vapor / Water / Gas / Oil / Air Types of connection parts Flange
Welded Section (Inner Cylinder, Bellow) Material Stainless Steel (EN 1.4301 Equiv.) Connection parts material EN 1.0038 Equiv. Max Operating Pressure(MPa) 1
Flange Type JIS Flange

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