2/2-way coaxial valve, DN 80, 3" ANSI-RF 150 lbs, 0-16 bar, NC, pilot-operated body: zinc-plated steel, medium: heating oil 135°C hydraulic actuation, 105 bar special seals, special flanges, special control port limit switch preparation, works certificate 2.2 special flushing bore connection, special actuator suitable for Atex Zone 1