BETAFLEX T-250

BETAFLEX T-250

BETAFLEX T-250

Product catalog summary
Product Overview: BETAFLEX T-250 is an asbestos-free gasket jointing sheet designed for low operating pressure applications such as transformers, compressors, water, oil, fuels, and inert gases under low to medium stress conditions.
Material Composition: The gasket material is composed of Aramid fiber, organic fiber, and mineral fiber, with NBR as the binder.
Operating Conditions: The maximum peak temperature is 250°C, with a continuous operating temperature of 180°C and a maximum operating pressure of 70 Kg/cm2.
Physical Properties:
  • Density: 1.70-2.00 gm/cm3
  • Tensile Strength: >7 N/mm2 (ASTMF 152), >5 N/mm2 (DIN 52910)
  • Compressibility: 5–15% (ASTMF36A)
  • Recovery: >40% (ASTMF36A)
  • Fluid Absorption:
    • In ASTM Oil No.3: Mass increase <15%, Thickness increase <10%
    • In Fuel B: Mass increase <10%, Thickness increase <10%
    • In Water/Antifreeze: Mass increase <15%, Thickness increase <7%
  • Ignition Loss: <40% (DIN52911)
  • Sealability Against Nitrogen: Data not specified (DIN3535)
Standard Sheet Sizes: Available in sizes 1500x2000mm, 1500x1500mm, 1500x4500mm, and 1500x3000mm. Thickness ranges from 0.40mm to 6.00mm for non-metallic and 0.80mm to 6.00mm for metallic ranges.
Tolerances: Thickness tolerance is ±0.10mm for <1mm and ±10% for >1mm. Length and width tolerances are ±50mm.
Additional Notes: The data provided is based on extensive experience in production and operation. For specific applications, it is recommended to consult with Betaflex Jointing Pvt Ltd for guidance on material choice.
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Catalog excerpts

BETAFLEX T-250-1

BETAFLEX JOINTING PVT LTD Technical Data Sheet BETAFLEX T-250 ASBESTOS FREE GASKET JOINTING SHEET Applications: Material Composition(Type of fibres) This product Suitable for low operating pressure, transformers, compressors ,water, oil, fuels, and inert gases for low and medium stress. Gasket material Based on Aramid fiber, Organic Fibre.& Mineral Fibre. OPERATING CONDITION Max.Peak Temp Max.Operating Pressure Physical Properties: The following Information applies to material thickness 2.0mm. TENSILE STRENGTH TEST METHOD (a)ACC to ASTMF 152 (ACROSS GRAIN) (b)ACC to DIN 52910 (ACROSS GRAIN) FLUID ABSORPTION

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BETAFLEX T-250-2

IGNITION LOSS SEALABILITY AGAINST Nitrogen Standard Sheet Size 0.40mmto 6.00mm(For Non-Metallic Range) 0.80mmto6.00mm(For Metallic Range) BETAFLEX T-250 PRES 150 SURE [BAR] 120 All data quoted above are based on years of experience in production & operation of sealing different items, taking in scope of different number of possible installation & operating conditions one cannot draw final conclusion in allapplication cases regarding the behaviour in gasket joint. If you have any doubts about the choice of gasket material, please contact us.

 Open the catalog to page 2

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