internal working pressure atmospheric @ 80 deg C, design temperature 150 deg C, Coil pressure rating: 3.5 bar Coil material: 316L s/steel Coil design: 1-turn, hairpin Coil location: Running along full length of vessel bottom Cradle type: Fixed c/steel tank has a 50mm fall from back to front, fully insulated with 50mm foam glass and cladd with aluminium