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NK-6500/7700 Outer Cylinder Expansion Joint (NK7700/5K-SS400-50A-1370)

NK-6500/7700 Outer Cylinder Expansion Joint NK7700/5K-SS400-50A-1370

The bellows is covered by an inner cylinder and outer cylinder, preventing buckling even with substantial expansion/contraction. NK-7500 is a single-bellows type, while NK-7000 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 Bellows Pitch
Plate Thickness

951.92 €

14 Days 1050ADouble Bellows100.6


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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) 0.5
Flange Type JIS Flange

This page is NK-6500/7700 Outer Cylinder Expansion Joint, part number NK7700/5K-SS400-50A-1370.
You can find the detail information about specifications and dimensions on part number NK7700/5K-SS400-50A-1370.

Variation of this product

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

592.33 €

19 Days 10150ASingle Bellow301.2

733.71 €

19 Days 10200ASingle Bellow301.2

1,028.85 €

19 Days 10250ASingle Bellow301.2

1,198.79 €

19 Days 10300ASingle Bellow301.2

598.67 €

14 Days 1065ADouble Bellows150.6

765.92 €

14 Days 1080ADouble Bellows150.8

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