NMT SET 3 PCS (NMT HIGH PRESSURE SET)

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NMT is a three piece single acting chevron seal which consists of one thermoplastic header ring, one special formulated reinforced cotton fabric with nitrile rubber sealing element and one ptfe bach-up ring

PRODUCT ADVANTAGES:

  • Capable of standing pressure changes
  • Long service life
  • Easy installation
  • Works in water and water-oil mixture media

APPLICATION:

High pressure cleaning equipment.

INSTALLATION:

NMT 3 PCS SET chevron seal is used in open housing. It is very important that the assembly tools must be of soft material and have no sharp edges. Before installation the sealing element must be oiled with system oil.

NOTES: Due to the special formulated reinforced cotton fabric with nitrile rubber service life is much longer than the normal cotton fabric seals.

MATERIAL: COTTON FABRIC NBR -POM - PTFE

 

OPERATING CONDITIONS
MEDIA

Mineral oils (DIN 51524) water and water-oil mixture

TEMPERATURE -30°C +80°C
PRESSURE ≤250 Bar
SPEED ≤2.0 m/sn

Note: The above data are maximum values and cannot be used at the same time.

SURFACE ROUGHNESS Ra Rmax
Sliding Surface Ød ≤0.3 μm ≤4 μm
Groove Base ØD ≤1.5 μm ≤10 μm
Groove Flanks B ≤0.3 μm ≤4 μm

Note: It is recommended to have 50% to 90% of the working surface material contact area value.

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# Vota code Name Application Material Pressure
(bar)
Temperature °C Sliding Speed (m/s)
stang-afdichting/nmt-set-3-pcs NMT SET 3 PCS NMT SET 3 PCS (NMT HIGH PRESSURE SET) ROD/AXLE FABRIC NBR - POM - PTFE 250 -30°C +80°C 2.0
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