COSASCO®
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Sand Probe Erosion Detection System Features  Early Detection of Erosion  Removable Under System Pressure  Meets NACE MR0175  New and Improved Robust Design for High Velocity Flows  Compatible with Standard 2” Access Fittings Sand production in oil and gas producing wells can cause rapid erosion and wear of top side equipment such as chokes, valves, and flow‐lines. The areas that can experience the most severe effects of erosion are immediately downstream of a choke, outer diameters of bends, reducers, misaligned flange joints and pipe T joints. Early detection of erosion is key to prevent serious damage and to prevent safety risks from potential leaks or malfunction of process equipment. The Sand Probe is a sacrificial tube inserted into the flow and can be used as an early warning (safety) device for alerting the operator that a critical metal loss (erosion) has occurred due to the effects of sand or solids erosion in the flow. Cosasco Sand Probes were developed as a simple and robust means of detecting significant erosion in high velocity flow lines. This new design replaces the older NPT sacrificial tube and side T access fitting system. The advantages are that the side T fitting and injection nut/seal assembly is no longer required and the new probe design offers a more robust probe with a more reliable mechanical connection. The modified hollow plug assembly allows online retrieval to be achieved. The sensing portion of the Sand Probe is basically a reinforced sacrificial tube made from corrosion resistant material (SS316). The probe is connected to a hollow plug assembly which contains a needle valve that isolates the pressure in the event of the tube being eroded. This allows the external gauge assembly to be removed for live retrieval of probe using a Cosasco retrieval tool. The Sand Probe can be to be used in any standard Cosasco 2” Access Fitting Assembly. In use, providing there is sufficient flow velocity, the effect of sand or solids will eventually erode through the Sand Probe sacrificial tube portion, exposing the sealed sys

System Overview The following diagrams show all the components required to make up a sand monitoring system. Bleed Valve Hollow Plug Assembly w/Needle Valve Model 50 Access Fitting Reducing Nipple Sand Probe Assembly Pressure Gauge * Protective Cover Sand Erosion Detection System w/Pressure Gauge Assembly Shut-off Valve Model 50 Access Fitting Plug w/Needle Valve Sand Probe Assembly Nipple Handle Pipe Plug Protective Cover Sand Erosion Detection System w/Remote Alarm/Shut‐off Pressure Assembly (Electrical Sensor option available, consult factory) Application To obtain ...

Ordering Information Sand Erosion Detection System w/Pressure Gauge Assembly (Required Parts) Access Fitting Assemblies Sand Erosion Detection System w/Remote Alarm/Shut‐off Pressure Assembly (Required Parts) Access Fitting Assemblies Hollow Plug Ordering Model 551036 Hollow Plug Assembly w/Needle Valve Hollow Plug Assembly Code Sand Probes Ordering Chart Model 641006 Sand Probe Sacrificial Sand Probe Element Alloy: SS316 Standard, consult factory for other available Elements. Enter UNS Number Code Length XX.XX ...