СПД2 filling stop-pipe.
СПД2 device designed for self-filling of the casing liner and string during run in borehole and receiving signal “stop” for direct cementation. The hollow cementing bump plug is part of the liner hanger of the type CPLH or HMCPLH and sits in the seat of the device together with the top plug TP.
Standard sizes of manufactured devices: СПД2. 102. 000, СПД2. 114. 000.
БК SHOE.