Plidco Riser Weld + Ends
The Riser Weld+Ends® is socket-welded at the surface to the new replacement riser and lowered into the water. A diver cuts off the old riser, stabs the new fitting over the cut-off pipe, then tightens the clamping and thrust screws for a complete leak-proof seal without welding.
PLIDCO® Riser Weld+Ends® are designed to simplify the replacement of underwater risers on offshore oil and gas lines without welding underwater.
This fitting has additional clamping and thrust screws to provide a seal for high pressure and for resisting extreme end-pull.
Special installation instructions are necessary for thin wall applications. Contact Plidco for details.
Available in standard sizes 11 ⁄2″ through 48″.
Special sizes, diameters, pressures and lengths available upon request.
Buna-N packing is standard.
Viton, Silicone and other packings available upon request.
Standard body materials:
– ASTM A106 Gr. C or ASTM A105/A350 Gr. LF2
– NACE MR0175/ISO 15156 compliant materials
– Marine epoxy paint for corrosion protection
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