Couplings

SH-Teksor Oy stores and markets acid-proof, weldable pipe fittings. We also have acid-proof threaded pipe fittings and flanges.

We also perform demanding special work. We are quick to implement our customers’ individual wishes!

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Resistance of gaskets in different substances

Nitrile rubber VitonTeflon
Diluted acids211
Concentrated acids11
Aliphatic hydrocarbons (benzene)221
Aromatic hydrocarbons (benzene, toluene)11
Chlorinated hydrocarbons (tri, per, tetra)11
Solvents (acetone)1
Hydraulic oil on mineral oil base100°C150°C260°C
Hydraulic oil on ester base11
Animal and vegetable fats (linseed oil, olive oil)111
Water (steam)80°C100°C260°C
Dry heat100°C200°C260°C
Cold-35°C-20°C-80°C

Resistance: 1 = Very good, 2 = Good, 3 = Acceptable, – = Poor

Use Teflon only at a constant temperature, max. +260°C.

Variations in temperature may cause leakage due to the different heat expansion of Teflon and steel.