Gate Valve Refurbishment
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Gate and Seat Replacement
Removal and replacement of the eroded gate and seat ring set that forms the primary seal, restoring metal-to-metal or resilient sealing after proppant washout.
HVOF Carbide Hardfacing
Application of tungsten-carbide or chromium-carbide coatings to gates, seats, and stems by high-velocity oxygen fuel spraying to rebuild dimensions and resist erosion and washout in proppant-laden service.
Stem and Bonnet Rebuild
Reconditioning or replacement of the valve stem, bonnet, packing, and thrust bearings to restore stem sealing, operating torque, and back-seat integrity.
NDE Inspection and Recertification
Nondestructive examination of the body, bore, and end connections followed by hydrostatic pressure testing and documentation to recertify the valve to its rated working pressure.
Body and Bore Remachining
Machining of the valve body cavity, bore, and gate guides to remove erosion damage and restore the dimensional tolerances required for proper gate and seat fit.
End Connection Repair
Inspection and repair of flanged, threaded, or hub-style end connections, including ring-groove remachining and weld overlay to restore sealing surfaces.
Frac Valve Recertification Programs
Scheduled aftermarket inspection, teardown, and recertification of frac stack and zipper-manifold gate valves on a run-count or time interval to verify continued pressure integrity.
Replacement Parts and Repair Kits
Aftermarket gates, seats, stems, seals, packing, and bonnet hardware supplied as kits to support in-house valve rebuild and reconditioning.
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