Leader FybarRubberbonded Fiber Jointing Sheets
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Leader Fybar PT 30

Description

Aramid fibres bound with NBR suitable for general purpose use in hot and cold water, steam, oils, fuels,gases and a wide range of commonly used chemicals.

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Product Data Sheet

Application

Widely applicable for non-aggressive media such as air, (potable) water, oil, grease and fuel, week acids and alkalines

Advtantages

Good media resistant and residual seating stress

Delivery Options

Flange gaskets and sheets are available in thickness of 0,5mm, 1mm, 1,5mm, 2mm and 3mm. Other thicknesses available on request.. Standard gaskets can be supplied in accordance with ASME B16.21, EN12560-1 as well as EN1514-1. Non-standard or special gaskets can be manufactured according to customer drawings, or by given sizes or Edrawing.

Temperature

Temperature from -30 °C up to +200 °C

Approvals

  • BS7531 Grade Y
  • DVGW
Technical Data
max Temperature [°F]500
density [g/cm3]1.8
Minimum initial stress [DIN E 2505 part 2] [N/mm2]40
Maximum initial stress [DIN E 2505 part 2] [N/mm2]150
M-Value2.5
Y- Value [psi]3900
ASTM F36 Recovery [% min]50
Gasket required flange roughness [Ra micron]3,2-6,3
Gasket required flange roughness [RMS]125-250
max Seating stress [Qsmax bei RT EN13555] [n/mm2]150
Residual stress at 175°C [DIN 52913] [Mpa]26
Tensile Strength (quer) DIN 52910 [N/mm²]10
compressability, [ASTM F36], [%]7
ASTM F36 Recovery [% min]50
ASTM F146 Fuel B @ 70-85 F Thick. Increase [%]5
IRM 903 @ 300 oF Thickness Increase [%]3
Rubber BinderNBR
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