API-Certified Valve Repair, Machining & Recertification Workshop Our Port Harcourt workshop is fully equipped for complete valve lifecycle services, including strip-down, inspection, precision machining, lapping, grinding, reassembly, and final testing. All repairs and recertifications are executed in compliance with applicable API standards and OEM requirements, ensuring full traceability and certification readiness.

High Technical Manpower & Multi-Team Deployment Capability CMSL has the capacity to deploy multiple specialised valve teams and equipment simultaneously across various client locations – onshore and offshore. Our engineers and technicians are trained in OEM procedures, API standards, and advanced field repair techniques, ensuring fast turnaround and consistent quality delivery.

In-Country PSV Online & In-Situ Testing Capability We provide certified in-country online testing of pressure safety valves (PSVs) and in-situ verification, enabling validation of valve performance and set pressure without full system shutdowns, significantly reducing operational downtime.

In-Situ Valve Seat Grinding & On-Location Overhaul Our mobile teams perform on-site valve seat grinding, lapping, testing, and general overhaul services for valves that cannot be removed from service easily. This ensures reliability while maintaining plant availability.

Cryogenic Valve Services & Low-Temperature Applications CMSL also provides specialised maintenance, repair, and testing services for cryogenic valves operating under extreme low-temperature conditions. These valves are critical in LNG, gas processing, and other low-temperature process systems where material integrity, sealing performance, and thermal reliability are essential.

Our capability includes inspection, disassembly, precision machining, seat repair, reconditioning, and recertification of cryogenic-rated valves, ensuring they maintain performance under sub-zero operating environments. We apply controlled handling procedures, appropriate sealing materials, and OEM-aligned techniques to preserve valve integrity and prevent leakage or failure in critical cryogenic service.

All cryogenic valve work is carried out under strict QA/QC control and in accordance with applicable API standards, OEM specifications, and industry best practices for low-temperature service applications.

Workshop Valve Overhaul, Repair & Recertification Services At our dedicated facility, we carry out full valve overhaul services, including disassembly, cleaning, machining, part replacement, reassembly, pressure testing, and final certification under controlled QA/QC conditions.

Predictive Valve Management & Maintenance Planning Support CMSL supports clients with structured valve management strategies designed to enable predictive maintenance, failure prevention, and proactive planning. This includes condition-based recommendations, maintenance scheduling support, and lifecycle optimisation strategies to improve reliability and reduce unplanned shutdowns.