PARALLEL SEAT GATE VALVES Range TCV® Sizes DN 40 to 250 (1"1/2 to 10") Pressures PN 40 Temperatures 400°C (max.) Grades Carbon steel Special Features/Benefits No pressure drop / Parallel seat with spring, parallel slide disc Double stellited seats-discs / Double external seal Welded bonnet / Low operating torque Easy access to stem packing Applications Steam, superheated water, gas Approvals - End Connections Flanged ISO PN 25, 40 Butt welding Certification 3.1 B according to EN 10 204