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NFK NK-2300V Vacuum Flexible Hose (JIS Flange Type)

Product Made in Japan
Manufacturer: NFK
Model: NK-2300V

NFK flexible hoses have outstanding flexibility of motion and resistance to heat, pressure and earthquakes. They support a wide range of gas and liquid transport lines for transporting substances such as air, steam, gases, water, oils and chemicals.

Use

Adjustment of piping, Lateral deflection, Vibration absorption, Angular deflection
*Do not torque the hose.

Feature

Combination of VG-VF by JIS type.
Applicable tube: CLT(Ultra Soft)
Nominal DIA: 10~100
Length: 200mm~3M
*Please contact us about the length.
Applicable fluid: Gas, Air
*Limited to fluid that not use corrode stainless steel.
Operating temperature: -15~150℃
Operating Pressure FV~0.3MPa
*Allowable leak rate less than 1.33×10-10Pa ㎥/Sec.

Materials

①VG Flange Stainless Steel
②Tube Stainless Steel
③End Pipe Stainless Steel
④VF Flange Stainless Steel
Nominal diameter tube ID tube OD Thickness Convolution Height Pitch Expansion amount per convolution(mm) Spring constant(N/mm･convolution)
25A 33.0 44.0 0.2 5.3 6.0 0.5 449
40A 50.5 65.0 0.25 7.0 7.0 0.65 605
50A 66.0 86.0 0.3 9.7 10.0 0.85 484
65A 78.0 100.5 0.3 11.0 11.0 1.0 566
80A 78.0 100.5 0.3 11.0 11.0 1.3 482
100A 103.0 126 0.3 11.2 12.0 1.6 484
Standard specification
Working pressure(inside) Working pressure (outside) Bellows Material Hardware Material Helium gas leak test
vacuum Atmospheric pressure SUS304,316L SUS304,316L 1×10-9Torr-ℓ/sec

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