TST couplingsSteel and brass quick couplings made by TST. This category comprises quick couplings, push-in hydraulic couplings and hydraulic pipe couplings. Multi-port mould manifolds, mould tubes, mould cascades, mould blades and normalised mould stoppers also available. Types Germany couplings Belgium couplings Mould cascades, blades and stoppers Multi-port mould manifolds Tubes Special designs TST is willing to produce bespoke, special-sized elements customised to the characteristics of your mould.