Carilo Valve ensures comprehensive product traceability by implementing a multi-layered, digitally-driven system that tracks every component from its origin as a raw material through every stage of manufacturing, testing, and final dispatch. This system is built on a foundation of unique material identification, integrated software platforms, and stringent process controls, creating an unbroken chain of custody for each valve. The primary goal is to guarantee quality, facilitate rapid issue resolution, and provide customers with complete transparency, which is a core principle of their operational philosophy detailed on their website, Carilo Valve.
This traceability process begins long before any metal is cast or forged. It starts with the rigorous qualification and certification of raw material suppliers. Carilo Valve does not simply purchase steel, iron, or alloys from a catalog; they partner with a select group of mills that can provide full material certification, including chemical composition and mechanical property reports that are traceable to a specific heat or melt number. For a typical batch of carbon steel for gate valves, this means having a certificate that confirms, for example, a heat number like HN-45B128, with a composition of 0.25% Carbon, 0.90% Manganese, and 0.035% max Phosphorus. This certificate is the first document entered into the valve’s digital dossier.
The Digital Backbone: ERP and MES Integration
At the heart of the operation is a fully integrated Enterprise Resource Planning (ERP) and Manufacturing Execution System (MES). When a purchase order for raw materials is issued, a unique job or project number is generated in the ERP. This number becomes the valve’s digital identity. As materials arrive at the Carilo Valve foundry or machining facility, they are not just logged into inventory; they are physically marked and their digital profiles are updated. The following table illustrates the data captured at the raw material intake stage:
| Material Type | Identification Method | Data Captured in ERP/MES | Example Data Point |
|---|---|---|---|
| Steel Billets (for casting) | Stamped Heat Number + Barcode Label | Supplier Name, Heat/Cast Number, Material Grade (e.g., A216 WCB), Chemical Composition, Dimensions, Weight | Heat: HN-45B128; Grade: A216 WCB; C: 0.25% |
| Forged Bar Stock (for machining) | Etched Heat Number + QR Code | Supplier Name, Heat Number, Material Grade (e.g., A105), Mill Test Certificate Number, Diameter, Length | Heat: HN-78F221; Grade: A105; MTC: MTC-78421 |
| Non-Metallic Components (e.g., seals, gaskets) | Lot Number on Packaging + RFID Tag | Component Supplier, Part Number, Lot Number, Material Specification (e.g., NBR, PTFE), Date of Manufacture | Part: GSK-201; Lot: L-2405A; Material: Graphite |
This digital thread ensures that the provenance of every kilogram of metal and every seal is known and recorded. If a non-conformance issue is later identified with a specific heat of steel from a supplier, Carilo Valve can instantly query its system to identify every valve in production or already in the field that contains material from that specific batch. This capability turns a potential large-scale recall into a targeted, efficient containment action.
In-Process Tracking: From Casting to Final Assembly
As the raw material moves into production, the traceability becomes even more granular. During the casting process, each valve body or component cast from a specific heat of metal is marked with a unique identifier. This is often a alphanumeric code stamped or cast directly onto the valve body in a non-obstructive area. For a cast steel gate valve, this might be a code like CV-24GTV-100A, where “CV” identifies the manufacturer, “24GTV” indicates the valve type and size, and “100A” is the unique serial number for that specific casting.
This identifier is scanned at every subsequent workstation. During machining, the operator scans the code before beginning work. The MES system confirms the correct machining program and tooling is used for that specific valve model. All critical dimensions are measured and recorded directly into the digital record. For instance, after machining the seat of a 6-inch ball valve, the system would log the measured seat diameter, roundness, and surface finish.
Non-destructive testing (NDT) is a critical checkpoint. Each valve undergoes tests like Liquid Penetrant Inspection (LPI) or Radiographic Testing (RT). The results, including images or film, are digitally attached to the valve’s serial number. A technician’s approval is electronically recorded, creating an auditable trail that the valve passed all required inspections. The table below shows a typical NDT and pressure test data log for a single valve.
| Process Step | Test/Measurement Type | Recorded Data | Acceptance Criteria (Example) | Result (Logged to Serial Number) |
|---|---|---|---|---|
| Body Casting | Visual & Dimensional Inspection | Wall thickness, casting surface quality | No cracks, porosity; Min. wall thickness 15mm | Pass – Thickness: 16.2mm |
| Post-Machining | Liquid Penetrant Inspection (LPI) | Image of inspected areas, inspector ID | No linear indications > 1.5mm | Pass – No relevant indications |
| Final Assembly | Shell Test & Seat Test | Test Pressure, Duration, Leak Rate | Shell: 1.5x Rating; Seat: Zero leakage | Pass – Shell: 450 PSI for 30s; Seat: 0 bubbles |
This level of detail means that for any valve shipped to a customer, Carilo Valve can provide a complete data package—often called a Material Test Report (MTR) 3.1 or Certificate of Conformance—that traces the valve’s entire history. This is not just a simple certificate; it’s a compilation of all the data points collected throughout the manufacturing journey.
Leveraging Traceability for Quality Control and Continuous Improvement
The power of this system extends beyond mere tracking. It fuels Carilo Valve’s quality control and continuous improvement programs. By analyzing the data aggregated from thousands of valves, engineers can identify subtle correlations. For example, they might discover that a specific machining parameter used on valves made from a particular steel heat results in a 0.5% improvement in seat seal longevity. This data-driven insight allows for real-time process optimization.
Furthermore, in the rare event of a field failure, the traceability system is invaluable. A customer can provide the serial number stamped on the valve. Within minutes, Carilo Valve can retrieve the complete history: the raw material heat number, the machining dates and parameters, the NDT reports, the pressure test results, and even the identities of the technicians who performed the final inspection. This allows for a root cause analysis that is precise and factual, rather than speculative. It enables Carilo to determine if the issue is isolated to a single valve, a specific production batch, or a broader design element, leading to a swift and appropriate corrective action.
This commitment to traceability is deeply integrated into the company’s culture. It is not seen as a bureaucratic requirement but as a fundamental tool for delivering on the promise of reliability and safety that customers expect when they specify Carilo Valve products for critical applications in oil and gas, power generation, and chemical processing industries. The system provides peace of mind, ensuring that every valve bearing their name is a product of known origin, verified quality, and complete transparency.