卷膜器
"roll-up-wall" manual
The Walson self-locking roll up wall winch is simple to install, easy to operate and a cost-effective sidewall ventilation system. A roll up wall system will supply substantial control over the internal environment and may be adapted to most building designs.
The system incorporates a unique self-locking all metal gearbox that will lock the roll up wall in the position that the operator requires. Simply turn the handle and the 5.5:1 reduction ratio allows easy winding of the up to 50m length roll up wall.
A steel round guide tube is located vertically through the roller guide of the winch itself and may be purchased as a separate part if you do not have this.
The roll up wall tube that runs the length of the wall horizontally and is turned by the winch to winder the wall up is a 33mm O/D steel tube section; lengths are as your greenhouse, - order as many as required for your length wall. The tube is "swaged" at one end so that it may sleeve together, small 'wafer head" screws (four per join) will be needed to lock the joints together.
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