Tree caps are installed on top of Christmas Trees for quick access to the tubing bore-via Tester of Lubricator Adapter for bottom hole testing, installing back-pressure valves etc.
Bottom Hole Test Adapters allow a flexible means of entry into the tubing bore.
Bottom Hole Test Adapters are used where an integral flanged unit is preferred. These adapters are furnished in various sizes, and working pressure up to 20,000PSI.