NK-7820

Pump joint Super20

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Use

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

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

materials

①2 ply Bellows Stainless Steel
②Flange Carbon steel, Stainless Steel
③Holder Carbon steel, Stainless Steel
④Tie Rod Carbon steel, Stainless Steel
⑤Cushion Urethane
⑥Adjust Nut Carbon steel, Stainless Steel

View Steel Types

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 layer Length(mm)
50 59.1 6.5 10.0 0.4 / 0.3 7
110
65 74.9 7.0 12.0 0.4 / 0.4 6
110
80 87.3 9.0 11.0 0.5 / 0.5 6
110
100 112.5 9.0 14.0 0.5 / 0.5 7
150
125 137.5 9.0 14.0 0.5 / 0.5 7
150
150 162.8 11.0 15.0 0.6 / 0.6 6
150
200 214.1 11.0 15.0 0.6 / 0.6 9
200
250 264.8 12.5 17.0 0.8 / 0.6 8
200
300 315.7 12.0 18.0 0.8/ 0.6 7
200

The drawing can be downloaded from the link below.
Download Drawing
Download Drawing Cover