jacketed helical screw mixer/dryer internal design pressure -1/6 bar @ 220 degrees C (6300 liter) coil jacket 20 bar @ 220 degrees C (385 liter) top head jacket -1/3 bar @ 220 degrees C (180 liter) coil jacket and top head jacket are 321 stainless steel (1.4541) bolt dished top and bolt coned bottom 2m diameter kato agitator drive 750/2975 rpm mechanical seal, 321 stainless steel half pipe coil jacket on straight side and bottom cone, 321 stainless steel straight jacket on top head,mounting ring