NK-7900 / 7900-E Compact Light Joint

The bellows is welded to the internal surface of the flange. Lightweight with inter-surface production supported.

Part Number

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Standard Unit Price	Minimum order quantity	Standard Shipping Days ?	RoHS	Welded Section (Inner Cylinder, Bellow) Material	Connection parts material	Nominal	Max Operating Pressure (MPa)	Length (mm)	Internal Diameter	Pitch (mm)	Plate Thickness (t)
1,776.60 €	1	14 Days	10	[Stainless Steel (EN 1.4401 Equiv.) ] Stainless Steel (EN 1.4404 Equiv.)	[Steel] EN 1.0038 Equiv.	350A	1	130	356.0	13.0	0.4
1,898.76 €	1	14 Days	10	[Stainless Steel (EN 1.4401 Equiv.) ] Stainless Steel (EN 1.4404 Equiv.)	[Steel] EN 1.0038 Equiv.	350A	1	160	356.0	13.0	0.4
2,020.92 €	1	14 Days	10	[Stainless Steel (EN 1.4401 Equiv.) ] Stainless Steel (EN 1.4404 Equiv.)	[Steel] EN 1.0038 Equiv.	350A	1	190	356.0	13.0	0.4
2,143.08 €	1	14 Days	10	[Stainless Steel (EN 1.4401 Equiv.) ] Stainless Steel (EN 1.4404 Equiv.)	[Steel] EN 1.0038 Equiv.	350A	1	220	356.0	13.0	0.4
2,538.62 €	1	15 Days	10	[Stainless Steel (EN 1.4401 Equiv.) ] Stainless Steel (EN 1.4404 Equiv.)	Stainless Steel (EN 1.4301 Equiv.)	350A	1	130	356.0	13.0	0.4
3,697.08 €	1	14 Days	10	[Stainless Steel (EN 1.4401 Equiv.) ] Stainless Steel (EN 1.4404 Equiv.)	Stainless Steel (EN 1.4301 Equiv.)	350A	1	160	356.0	13.0	0.4
4,855.53 €	1	14 Days	10	[Stainless Steel (EN 1.4401 Equiv.) ] Stainless Steel (EN 1.4404 Equiv.)	Stainless Steel (EN 1.4301 Equiv.)	350A	1	190	356.0	13.0	0.4
6,013.98 €	1	14 Days	10	[Stainless Steel (EN 1.4401 Equiv.) ] Stainless Steel (EN 1.4404 Equiv.)	Stainless Steel (EN 1.4301 Equiv.)	350A	1	220	356.0	13.0	0.4

Fitting type	Bellows shape	Applicable Fluids	Vapor / Water / Gas / Air	Types of connection parts	Flange
Flange Type	JIS Flange

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Basic Attributes

Welded Section (Inner Cylinder, Bellow) Material
- Stainless Steel (EN 1.4301 Equiv.)
- Stainless Steel (EN 1.4401 Equiv.)
  - Stainless Steel (EN 1.4404 Equiv.)
Clear
Connection parts material
- Stainless Steel (EN 1.4301 Equiv.)
- Steel
  - EN 1.0038 Equiv.
Clear
Max Operating Pressure(MPa)
0.1

0.28

0.35

0.38

0.5

1
Clear
Length(mm)
100

110

115

120

125

130

140

145

150

155

160

170

175

180

185

190

200

220

250

260

270

280

320

330

340
Clear
Internal Diameter
27

28.6

33.5

35.6

42.0

44.1

47.5

50.1

59.5

62.1

75.0

78.4

88.0

90.9

113.0

116.2

138.0

141.9

164.0

167.4

216

218.7

268

270.4

317

319.9

356.0
Clear
Type
- NK-7900
- NK-7900-E
Clear
Nominal
20A

25A

32A

40A

50A

65A

80A

100A

125A

150A

200A

250A

300A

350A
Clear