Tombo NA 1993
Gasket
Tombo NA 1993 is a
non-asbestos (NA) gasket material from Nippon Valqua Industries, designed for
general industrial applications with good resistance to oil, water, and steam.
General
Specifications
- Type:
Compressed Non-Asbestos Fiber (CNAF) Sheet
- Composition:
Aramid fiber + inorganic fillers + NBR (Nitrile Butadiene Rubber) binder
- Color:
Typically green or dark green
- Thickness:
Approx. 0.5 mm – 3.0 mm
- Density:
Approx. 1.6 – 2.0 g/cm³
Operating
Limits
- Maximum
Temperature: Approx. 200 – 250°C
- Maximum
Pressure: Approx. 30 – 50 bar
(depending on application conditions such as fluid type and flange design)
Key
Characteristics
- Resistant
to oil, water, and medium-pressure steam
- Asbestos-free
(safe and environmentally friendly)
- Flexible
and easy to cut
- Good
compressibility and recovery properties
- Suitable
for static sealing applications on flanges
Typical
Applications
- Industrial
pipe flanges
- Pumps
and valves
- Water
and steam systems
- General
industries (manufacturing, light oil & gas, utilities)
Advantages
- Suitable
alternative to asbestos gaskets
- Cost-effective
- Stable
performance for standard applications
Limitations
Not recommended for:
- Very
high temperatures (>250°C)
- Aggressive
chemical media (strong acids, certain solvents)
- Extreme
pressure conditions