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NK-6500/7700 Outer Cylinder Expansion Joint (Part Numbers)

NK-6500/7700 Outer Cylinder Expansion Joint

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.

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Part Number

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Part Number
NK7500/5K-SS400-50A-560
NK7500/5K-SS400-65A-450
NK7500/5K-SS400-80A-600
NK7500/5K-SS400-100A-560
NK7500/5K-SS400-125A-500
NK7500/5K-SS400-150A-500
NK7500/5K-SS400-200A-520
NK7500/5K-SS400-250A-520
NK7500/5K-SS400-300A-520
NK7700/5K-SS400-50A-1370
NK7700/5K-SS400-65A-1070
NK7700/5K-SS400-80A-1330
NK7700/5K-SS400-100A-1320
NK7700/5K-SS400-125A-1380
NK7700/5K-SS400-150A-1380
NK7700/5K-SS400-200A-1380
NK7700/5K-SS400-250A-1380
NK7700/5K-SS400-300A-1380
Part NumberStandard Unit PriceVolume DiscountShipping Days?RoHSNominal Bellows Pitch
(mm)
Plate Thickness
(t)

440.28 €

14 Days 1050ASingle Bellow100.6

277.55 €

14 Days 1065ASingle Bellow150.6

560.21 €

14 Days 1080ASingle Bellow150.8

408.16 €

14 Days 10100ASingle Bellow201.0

511.84 €

19 Days 10125ASingle Bellow301.2

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

951.92 €

14 Days 1050ADouble Bellows100.6

598.67 €

14 Days 1065ADouble Bellows150.6

765.92 €

14 Days 1080ADouble Bellows150.8

905.36 €

14 Days 10100ADouble Bellows201.0

1,139.74 €

19 Days 10125ADouble Bellows301.2

1,334.68 €

19 Days 10150ADouble Bellows301.2

1,663.01 €

19 Days 10200ADouble Bellows301.2

2,343.61 €

19 Days 10250ADouble Bellows301.2

2,745.24 €

19 Days 10300ADouble Bellows301.2

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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

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