SEMI-CIRCULAR VENTILATION DUCTSThe best way to ventilate agricultural products

b Outstanding stability because of thicker plate

b Rounded openings: less risk of clogging

b Fan quality confirmed by in-practice tests

Improving your agribusiness in an intelligent way

www.tolsmausa.com

Subject to changes in construction and implementation and printing errors.

TOLSMA USA LLC 527 W. McGregor Dr., suite 527 Boise, ID 83705 T: 208-401-9217

tolsmausa@tolsma.com www.tolsmausa.com

Semi-circular ventilation ducts are suitable for the ventilation of arable products such

as potatoes, onions, carrots and other tuber products. The ducts are constructed

from high-grade galvanised steel sheet, guaranteeing a long life.

POSSIBLE DUCT LENGTH OF UP TO 100 FEETThe TT ventilation ducts are available in thirteen different types, making it possible to

realise a total duct length of up to 100 feet.

THERE ARE 13 DIFFERENT TYPES OF TT VENTILATION DUCTS

Type no.

Height * Width * Length ThicknessWeight

(Lbs)

Flow-through

surface (sq. ft)

TT 1 15 ½’’ 31’’ 34 ¼’’ 0 ³⁄64’’ 28 2.7

TT 2 17 ½’’ 35’’ 34 ¼’’ 0 ³⁄64’’ 30 3.5

TT 3 19 ½’’ 39’’ 34 ¼’’ 0 ³⁄64’’ 32 4.2

TT 4 21 ½’’ 43’’ 34 ¼’’ 0 ³⁄64’’ 35.5 5.0

TT 5 23 ½’’ 47’’ 34 ¼’’ 0 ³⁄64’’ 38.5 6.1

TT 6 25 ½’’ 51’’ 34 ¼’’ 0 ³⁄64’’ 41 7.2

TT 7 27 ½’’ 55’’ 34 ¼’’ 0 ³⁄64’’ 45 8.3

TT 8 29 ½’’ 59’’ 34 ¼’’ 0 ³⁄64’’ 50 9.5

TT 9 31 ½’’ 63’’ 34 ¼’’ 0 1⁄16’’ 63 10.7

TT 10 33 ½’’ 67’’ 34 ¼’’ 0 1⁄16’’ 67 12.1

TT 11 35 ½’’ 71’’ 34 ¼’’ 0 1⁄16’’ 72 13.7

TT 12 37 ½’’ 75’’ 34 ¼’’ 0 1⁄16’’ 78 15.3

TT 13 39 ½’’ 79’’ 34 ¼’’ 0 1⁄16’’ 94 16.9

* Internal dimensions

W

H