Recent Technology News Back Issues

No.39 Summer 2020
● Greetings	CTO

Mutsuo Aoki

● Customer Solutions《Contribution》
Approaches to Improving Construction Quality with Hand Nutrunners（Plug type air-cooled heat exchanger）
Showa Yokkaichi Sekiyu

Makoto Hasegawa

General Manager, H&S Sales Division

Masayuki Yamabe● Customer Solutions
Introduction and Application of Seal Quicksearcher（SQS）（Gland Packing）
Kiyohiro Matsumura

H&S Sales Division, Technical Solutions Group● Technical Paper

Evaluation of Loosening Behavior of Bolted Fasteners with Fluoropolymer Gaskets

Gasket & Gland Packing Team, Product Development Department, Research & Development Division

Koji Sato● Technical Paper《Contribution》 Technology for Ion Beam Treatment of PTFE
Sumitomo Rubber Industries, Ltd,.

Winter 2021
No.40

● Product Introductions

Sealing materials for high-pressure hydrogen gasElastomer Team, Product Development Department, Research & Development Division

Hiroaki Nakano

Ryohei Nishihara

Introduction to Valqua Predictive Maintenance System VALVESTA™-HE210		

Elastomer Team, Product Development Department, Research & Development Division

Akihiro Nagano

No.38 Winter 2020
● Greetings

Representative Director, Chairman & CEOToshikazu Takisawa● Introduction to Valqua Technology News No.38 Winter 2020
● Technical PaperDirector, Managing Executive Officer CTO & CQO

Mutsuo Aoki

Influence of Bolt Tightening Methods on the Sealing Performance of Large Diameter Bolted Pipe Flange Connections
China Research Institute Seal Engineering Development Group

Xing Zheng

Product Development Department, Research & Development Division

Koji Sato

Takahiro Fujihara

Product Development Department, Research and Development Division
Hiroshima University

Toshiyuki Sawa

Evaluation of the Compression methods on the Sealing Performance of Gland Packing
Masato Hamade

Product Development Department, Research & Development Division

Comparison of Semi-Metallic Gasket’s Performance and Introduction of Kammprofile Gasket Serie● Product Introductions
Product Development Department, Research & Development Division

Satomi Takahashi

Introduction of High-speed Opening and Closing Cylinder Valve
Technical Solution Group, Sales Division

Satoshi Murayama

Development of Spray Ball ™ for Tank Cleaning
27

Product Development Department, Research & Development Division

Mayumi Motoyoshi

No.37 Summer 2019
● Greetings

Director, Managing Executive Officer CTO & CQO

Mutsuo Aoki

● Customer Solutions（Contribution）
Proposal of New Anti-Corrosion Technology
Tokyo Densetsu Service Co.,LtdMisu Tatsuo● Customer Solutions
Introduction to Basic Training of Bolted Flange Connections Assembly with Gaskets
Based on ASME PCC-1

Sales GroupHajime

Technical Solution Division

Sales Group

H&S BusinessNonogaki

Takahiro Yamamoto● Technical Papers
Effect of Tightening Methods on Sealing Performance
Corporate Research and Development Group

China Research Institute

Takahiro Fujihara

Product Development Division

Team of Seal Engineering & Development

Mitsubishi Chemical Corporation Okayama Plant

Xing Zheng

Riichi Morimoto

Guidelines for Selection of O-rings Made of Elastomers, and Solutions for Selection Problems
Sales Group

Technical Solution Division

Masatsugu Hoshina● Product Introductions
Introduction of TOUGHROBER™: Portable Gap and Level-difference Measuring Instrument
Corporate Research and Development GroupP&I Service

Development Division

Manabu Motoori

New Lineup of High Temperature Gaskets Spiral Wound Gaskets No.H590 Series

Winter 2021

Kammprofile Gasket No.HR540H
Corporate Research and Development Group

Product Development Division

Satomi Takahashi

28No.40