What are the basic ways an operator mechanically moves a gate?
The three basic types of drive mechanisms are chain drive, rack and pinion, cable and solid drive rail. The most common mechanism for slide gates is chain. [Back to top] What are the basic types of swing gate operators? Linear actuator and Articulated arm. The advantages of the Linear is it can be placed on the gate post and wired to a control box farther from the gate and is great for close clearance applications as well as being small and low profile. The articulated gate operators commonly mount onto a steel pedestal or concrete pad and require room for the operator and have a bigger profile. [Back to top] What are the differences in Treated Pine treatment levels? Treated Pine is rated in pounds per cubic foot chemical retention. This can be found on the label on the end of the wood. .25 is rated for above ground use such as deck railings, decks and fences. The next level is .40 for ground contact use such as post and retainer wall boards. The highest is .60 for in-ground use such a
