Expansion Joints, Japan, NFK, Pipe
NK-6800 Expansion Joints (Standard Double Bellows Type)

Product Made in Japan
Model: NK-6800
NFK expansion joints are used in gas and liquid transport system lines used by steel making, chemical and industrial plants to transport substances such as air, water, gases, steam, oil and exhaust gases. They can compensate for expansion and contraction caused by temperature differences in air-conditioning/sanitation lines in buildings and other structures. They also handle conditions such as line center misalignment, vibrations, foundation subsidence and earthquakes.
Feature
This is connected the bellows of two, and then bigger move than a single type.
Applicable fluid: Exhaust gas, Air, Low-pressure steam, Water
Applicable bellows: MF, HF, iO, E
Material: SUS304, SUS316L, *Please contact us for material.
Standard: JIS, ANSI, DIN
Specification
Drawing
NK-6800

Materials
| ① Bellows | Stainless Steel |
|---|---|
| ② End Pipe | Carbon steel, Stainless Steel |
| ③ Flange | Carbon steel, Stainless Steel |
| ④ Holder | Carbon steel, Stainless Steel |
| ⑤ Shipping Bolt | Carbon steel, Stainless Steel |
| ⑥ Common Connecter | Carbon steel, Stainless Steel |
Specification table
X = Axial Movement
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