Before installation, loosen the cap so the packing is not compressed. Pass the polished rod freely through the chamber, secure the wellhead connection, then tighten the sealing cap. The unit is pressure-tested and adjusted before shipment; install it as a complete assembly where possible.
Two-Piece Straight/Spiral-Groove Nylon Centralizer
A two-piece nylon centralizer available with straight or spiral grooves and in the supplied PA6, PA66 and PPA…
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