Wellhead and valves
Check Valves
Swing and lift check valves that stop reverse flow.
Overview
Check valves let fluid flow one way and close automatically when flow reverses. In wellhead and manifold service they protect pumps, lines and upstream equipment from backflow and pressure surges.
Swing check valves offer full flow with low pressure drop, while lift and dart-style designs suit high-pressure pumping and treating lines where fast, positive closure matters.
Key Features
- Swing, lift and dart-style designs
- Flanged, threaded and union end connections
- Replaceable seats and seals
- Materials selected for sour or erosive service
Applications
- Kill lines and pump discharge lines
- Production and injection wellheads
- Cementing and well treating lines
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