Sheet from surface to surface, usually from the forming fabric to the felt. The Specification Range of Rolls Shell Outside Diameter：Min-450mm, Max-1600mm Shell Thickness：Min-30mm, Max-100mm Shell Face Length：Min-1700mm, MAX-11000mm Drilling Size：Min-3mm, Max-13mm Drilled Length：Min-450mm, MAX-10000mm Design Speed：250-2000m/min

Used to remove the water from the sheet. The Specification Range of Rolls Shell Outside Diameter：Min-450mm, Max-1600mm Shell Thickness：Min-30mm, Max-100mm Shell Face Length：Min-1700mm, MAX-11000mm Drilling Size：Min-3mm, Max-13mm Drilled Length：Min-450mm, MAX-10000mm Design Speed：250-2000m/min

Used to vacuum a sheet from felt to felt without using an open draw. The Specification Range of Rolls Shell Outside Diameter：Min-450mm, Max-1600mm Shell Thickness：Min-30mm, Max-100mm Shell Face Length：Min-1700mm, MAX-11000mm Drilling Size：Min-3mm, Max-13mm Drilled Length：Min-450mm, MAX-10000mm Design Speed：250-2000m/min

most often used to extract water away from the nip and towards the felt The Specification Range of Rolls Shell Outside Diameter：Min-450mm, Max-1600mm Shell Thickness：Min-30mm, Max-100mm Shell Face Length：Min-1700mm, MAX-11000mm Drilling Size：Min-3mm, Max-13mm Drilled Length：Min-450mm, MAX-10000mm Design Speed：250-2000m/min

Model PR85 PR110 PR135 PR150 PR160 PR180 PR190 PR190A PR190B PR200 PR210 PR225 PR240 PR252 PR252A PR292 PR325 PR325A PR325B PR360 PR360A PR380 PR420 PR460 PR500

Diameter：280-1100mm Face Length：1800-9000mm Max Speed：1600m/min