Valves and accessories for pressure and difference pressure sensors Please, see the types in below. 961 – Brass valve 964 – Valve set 966 -Condensation tank 967 – Stainless valve 971 – Ball cock PN 160 972 – Ball cock PN 63 973 – Ball cock PN 63 for high temperatures 981 – Accessories to valve sets and valves 984 – Manifold to 200°C 986 – Drain tank