BDAR / BDHR Bottom No-Go Lock Mandrel
The BDAR and BDHR Lock Mandrel assemblies are bottom no-go style locks. These locks have a no-go shoulder either on the packing mandrel or, in cases where packing is not required, it is located on the flow control accessory. These locks will land and lock flow control devices only in the BDAR and BDHR bottom no-go seating nipples