Product No. BI 10-20-1000  

The GRA latch is used to secure a 11/2" O.D. valve or dummy in "MM" and "MMA" mandrels. The latch utilizes a rotating spring loaded cam to lock  in place when the latch reaches the recess in the mandrel receiver pocket. the latch also has two O-rings to provide a better top seal and debris barrier.A pin is sheared to release the locking mechanism allowing the cam to rotate inside the latch housing and permitting the retrieval of the valve or dummy.

RD Dummy Valve

Product No. BI 04-20-1000

The RD Dummy is a 11/2" wireline retrievable isolation tool which is used to seal off the pocket of the M series mandrel preventing communication between the casing and tubing. The dummy valve with the appropriate latch may be wireline installed or retrieved prior to or after completion for various procedures which include the following: (1) to blank off the tubing for production until gas lift valves are required (2) to allow for pressurizing the tubing in various procedures (3) to isolate tubing and casing flow during single alternative production and (4) to isolate tubing and casing flow for test purposes during multi-point water or gas injection fluids.