Title Contents JP EN
No.38 Winter 2020

Introduction to Valqua Technology News No. 38 Winter 2020

Technical Pepers
Influence of Bolt Tightening Methods on the Sealing Performance of Large Diameter Bolted Pipe Flange Connections

Technical Papers
Evaluation of the Compression methods on the Sealing Performance of Gland Packing

Technical Papers
Comparison of Semi-Metallic Gasket’s Performance and Introduction of Kammprofile Gasket Series

Product Introductions
Introduction of High-speed Opening and Closing Cylinder Valve

Product Introductions
Development of Spray BallTM for Tank Cleaning

Recent Technology News Back Issues

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