ELAFLEX supplies several flat and thread seals.
Thread seals for female thread with groove:
Round flange seals for all kinds of mineral oil products and many solvents:
Flat seals of polyurethane, highly resistant to abrasion, non-toxic. Shore hardness ≈ 90°. For all petroleum based products and many solvents:
TW coupling seals for tank truck couplings according to EN 14420-6 ( DIN 28450 ):