FMC Corporation - Talstar FMC L06 - Manual (Page 39)

Doc No: OMM50000903
Rev: B Page 39 of 65
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Figure 11: Mandrel Tool in use
The lower part of the mandrel and the collets are passed through the valve seat and
then slid down the mandrel to expand them. The o-rings keep the collets on the
mandrel. The tension is applied in the same way as was done for the Eccentric Disc
type.
Threaded Mandrel
Valve Seat, Fluid Cylinder not shown
Expanding Collets
O-Rings
Threads on the inside diameter to
connect to the tension member