ball valve

I have two frozen ball valves, Legend T1100. They are on the hot and cold water pipes feeding into the bathtub. They are attached to PVC half inch pipes which move laterally when I try to shut off the valves. The pipes same a bit fragile so I'm reluctant to force the valves for fear of causing...

I'm wondering if anyone recognizes this ball valve brand. I'd really want to avoid installing a new valve just for not having a handle :( I've included a few pictures to help visualize this. This is the main-water ball valve that didn't have the handle when I bought the place. However, I've...

Seeking second opinions on whether joints/connections look secure. Recently had a plumber do the following: (1) Remove corrugated copper pipes and solder on male adapters for stainless-steel connector. (2) Remove old cold-water supply shut off valve and solder on lead-free copper-alloy ball...

I desperately need some pro advice - I have a very unique situation - please read all. Questions: 1 - Will ball valve on sump pump discharge put too much strain and break or shorten lifespan on the unit? 2 - Will ball valve throttle the flow too much for a 1/3 HP pump to get the waste up a...