Do you know how the one-day site packer works? The key parts of the one-day site packer: 1. the check valves in the bottom of the rubber to stop the leaking after injection. 2. The Gear Gasket to lock the rubber and maintain expansion of it after unscrewing the steel tube.
To achieve the purpose of shortening the injection period and saving labor costs.
Please do not hesitate to contact us if you are interested. Email: chris@sinopacker.com