You may want to control the flow of propane gas at every step. Such actions require a single-stage regulator. These valves are specially built to control low-pressure flow from your propane tank and you need accurate measurements.
Single-stage regulators help you to control propane flow with better accuracy.
Last update on 2022-01-25 / Affiliate links / Images from Amazon Product Advertising API

I am Richard A. Jackson man behind propane heating solution, An HVAC expert working as a team lead of the heating department, Provide services all over the USA (around all major cities), and from planning to implementation, you will get all your solution here. We provide various tanks (propane and other natural gases) and deal with disposable waste.