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NK-7820 Flange Type Flexible Hose (Pump Joint Super 20)

Product Made in Japan
Model: NK-7820

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.

Feature

Feature: Without using the built-in to the welding of the flange, they become a 2-layer SUS316L bellows own, is a product durability is high.
Applicable fluid: Water, Oil, Air, Steam
*Limited to fluid that not use corrode stainless steel.
Applicable tube: 2 layer bellows Nominal Dia: 50~300
Standard: JIS 10K, 20K
*Please contact us about the other standard.
Operating temperature 10~80℃
Operating pressure 1.0MPa 2.0MPa

Use

AdVibration absorption of the pump.
*Do not torque the hose.

Materials

① 2 ply BellowsStainless Steel
② FlangeCarbon steel, Stainless Steel
③ HolderCarbon steel, Stainless Steel
④ Tie RodCarbon steel, Stainless Steel
⑤ CushionUrethane
⑥ Adjust NutCarbon steel, Stainless Steel

 

Drawing

2 ply Bellows Size

Max. Working pressure 2.0MPa (Normal temperature)

DN
(mm)
ID
(mm)
Convolution Height
(mm)
Pitch
(mm)
Thickness(mm)Convolution
Outer layer / inner layerLength(mm)
5059.16.510.00.4 / 0.37
110
6574.97.012.00.4 / 0.46
110
8087.39.011.00.5 / 0.56
110
100112.59.014.00.5 / 0.57
150
125137.59.014.00.5 / 0.57
150
150162.811.015.00.6 / 0.66
150
200214.111.015.00.6 / 0.69
200
250264.812.517.00.8 / 0.68
200
300315.712.018.00.8/ 0.67
200

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