I am using this to automate the tailgate latches on my dump truck. This works very well. I use a 5 position switch from the same manufacturer to push/pull this plunger. At 150 psi it takes all my strength to push the piston in or out (as opposed to how air gets there) so I'm estimating the power to be around 150 pounds or so. Quick couplers and I had to contact the seller but they quickly sent me a replacement part and a set of other fittings. In general I am satisfied.
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