Month: November 2025

CNC machining of switch plug valves for refineries with 63–125 AARH RTJ flanges on an 18” CL900 body.

CNC Machining of Switch Plug Valves for Refineries: Tolerances, QA/NDT, and dimensional control

CNC machining of switch plug valves for refineries isn’t about “cutting metal”: it’s about achieving leak-free RTJ sealing, lowering operating torque, and accelerating QA acceptance. At Asimer Group, we act as a strategic, drawing-based partner for OEMs: we integrate applied engineering, to-drawing machining, QA/NDT, and dimensional control to deliver verified tolerances and traceable documentation aligned …

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Accuracy machining

Accuracy machining: CMM/3D inspection, 5-axis capability and process stability

Accuracy machining means holding dimension, geometry, and surface finish according to drawing through CNC-based metrology (CMM/3D scanning), 5-axis machinery, and a stable process from CAD/CAM to batch release. To achieve series CNC accuracy at Asimer Group, we combine dedicated fixturing, fewer re-clampings, intermediate verification, and batch traceability; when applicable, we reinforce control with SPC/Cpk. This …

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