Yes, the cbive-1 txv has an internal check valve. It has a VGA charge in the sensing bulb that automatically limits your suction pressure to a max of about 100 psi. It has an external equalizer. Not sure if it is adjustable.
That ranco reversing valve is the same one I have used in a few of my builds. Works like magic. Just make sure to buy the right solenoid coil for your controls. They make low voltage, high voltage, ac and dc coils.
Surplus city combines shipping on their eBay orders if you pay for everything at once. They have good phone support as well. Their inventory moves pretty fast, so the phone people can find parts that may not be listed on eBay yet. Plus, their listings are sort of random, not real easy to wade through.
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