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FD C4400

Flat seal

Characteristics

Application
  • food processing 
  • drinking water supply 
  • Chemical industry 
Construction type
  • ultra high-performance standard 
Design
  • Universal high-pressure seal for a wide range of sectors 
Approval
  • DIN-DVGW approval, BAM-, HTB approved, KTW recommended, WRC approval 
Media
  • Oil 
  • Water 
  • Steam 
  • Gases 
  • Saline solutions 
  • Fuels 
  • Alcohols 
  • organic and inorganic acids 
  • hydrocarbons 
  • Lubricants 
  • Refrigerants 
Material
  • aramid fibres, bonded with NBR 
All characteristics

Product description

Notes
Tolerances:
longitudinal dimension according to DIN 7715 - Part 5 P2,
thickness according to DIN 7715 - Part 5 P3,
surface seals according to DIN 2690 are only standardized to PN 40 bar
Description
Technical values for 2 mm thickness:
- compressibility ASTM F36 A = 11%
- resilience ASTM F36 A = 55 %
- creep resistance under load DIN 52913 = 25 MPA (50 MPA, 16 h / 300 °C)
- creep resistance under load BS 7531 = 23 MPA
- Thinning at 23 °C = 10 %
- Thinning at 300 °C = 22 %
- leak tightness according to DIN 3535/6 = 0.2 ml/min
- anti-corrosion aptitude (chloride content soluble) = 150 ppm
- Thickness change according to ASTM F 146 (oil JRM 903: 5 h / 23 °C) = 3 %
- Thickness change according to ASTM F 146 (fuel B: 5 h / 23 °C) = 5 %
- density = 1.6 g/cm3

Product variants

31 Results
Show dimensional drawing
Identifier
D (mm)
d nom. (mm)
S (mm)
Details / items
15  mm
11  mm
1  mm
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41  mm
33.2  mm
3  mm
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55  mm
41  mm
1.5  mm
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60  mm
20  mm
3  mm
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70  mm
45  mm
3  mm
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82  mm
66  mm
3  mm
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85  mm
70  mm
0.5  mm
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90  mm
40  mm
3  mm
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100  mm
50  mm
3  mm
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105  mm
65  mm
3  mm
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