S K FORGEFIT LLP

Quality Control

Quality control is crucial in manufacturing flanges and fittings to ensure that products meet industry standards, specifications, and customer requirements. Below is a detailed Quality Control Process for manufacturing flanges and fittings:

Incoming Material Inspection: a. Inspect raw materials upon arrival for compliance with specifications. b. Check material certificates for traceability and conformance to required standards. c. Random sampling and testing of incoming materials for chemical composition, mechanical properties, and dimensions.

Material Preparation: a. Verify that cutting and shaping processes adhere to approved procedures. b. Inspect blanks for surface defects, dimensions, and conformity to specifications. c. Ensure proper material identification and traceability throughout the preparation process.

Manufacturing Process Control: a. Monitor machining processes to maintain dimensional accuracy and surface finish. b. Conduct in-process inspections to identify and rectify defects promptly. c. Verify adherence to welding procedures for fittings, ensuring proper joint preparation and welding parameters.

Welding Inspection: a. Inspect welded joints for visual conformity, including weld profile, penetration, and smoothness. b. Perform non-destructive testing (e.g., X-ray, ultrasonic) on critical welds to ensure integrity. c. Confirm welders' qualifications and certifications.

Surface Finish and Coating: a. Inspect surface finish of flanges and fittings for smoothness and absence of defects. b. Verify the application of protective coatings according to specifications. c. Perform adhesion and thickness tests on coatings.

Dimensional Inspection: a. Conduct final dimensional inspections on finished flanges and fittings. b. Use calibrated measuring instruments to ensure accuracy. c. Verify compliance with industry standards and customer requirements.

Functional Testing: a. Conduct pressure testing on fittings to ensure leak-tightness. b. Verify the functionality of flanges, such as bolt hole alignment and gasket sealing. c. Record and document test results.

Packaging and Labeling: a. Ensure proper packaging to prevent damage during transportation. b. Label each product with relevant information, including specifications, batch numbers, and traceability details.

Documentation and Record Keeping: a. Maintain comprehensive records of inspection and testing results. b. Document any deviations from specifications and corrective actions taken. c. Establish a traceability system for easy retrieval of product information.

Continuous Improvement: a. Analyze quality data to identify trends and areas for improvement. b. Conduct regular reviews of the Quality Control Process to incorporate lessons learned. c. Encourage feedback from manufacturing personnel for continuous process enhancement.

Training and Qualification: a. Ensure that personnel involved in the quality control process are trained and qualified. b. Provide ongoing training to keep staff updated on industry standards and new technologies.

Customer Feedback and Complaint Resolution: a. Establish a mechanism for receiving and addressing customer feedback and complaints. b. Investigate and resolve customer concerns promptly, implementing corrective actions as necessary.