Recent Technology News Back Issues
No.40 Winter 2021
● Greetings

CEO● Introduction to Valqua Technology News No.40 Winter 2021

Toshikazu Takizawa
CTO

Mutsuo Aoki

● Customer Solutions
Improvement of construction quality through the common flange fastening certification system
Kawasaki Refinery, ENEOS Corporation Yosuke Koga,
VALQUA Corporation H&S Sales Division Shigeo Sakai● Customer Solutions《Contribution》
E ffectiveness of Flange Tightening Training and Expectations for VALQUA H&S at thePetrochemical Plant in Linyuan, Taiwan

Taiwan CNPC Corporation Lin-Yuan Petrochemical Plant, Petrochemical Division

Lin Hsin-Cheng● Technical Papers

Effects of carbon black on compression set with peroxide cross-linking elastomer
Elastomer Team, Product Development Department, Research and Development Division Ryosuke Nishi● Product introduction

High heat resistant non-silicone adhesive tape（Manufactured by Korea Taconic, AGC Group, P-KT:6323）
Product Group, High Performance Plastics Division Takeyuki Suzuki
Introduction of Flange Gap Gauge Technical Solutions Group, H&S Sales Division Masafumi Ina
Examples of Reciprocal Motion Applications of LFR SEALTM
Product Development Department, Research & Development Division Tetsuya Tokumaru

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Introduction and Application of Seal Quicksearcher（SQS）（Gland Packing）
H&S Sales Division, Technical Solutions Group Kiyohiro Matsumura● Technical Paper

Evaluation of Loosening Behavior of Bolted Fasteners with Fluoropolymer Gaskets
Koji SatoGasket & Gland Packing Team, Product Development Department, Research & Development Division● Technical Paper《Contribution》 Technology for Ion Beam Treatment of PTFE
Sumitomo Rubber Industries, Ltd,.

● Product Introductions

Hiroaki Nakano

Sealing materials for high-pressure hydrogen gas

Elastomer Team, Product Development Department, Research & Development Division 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 & CEO

Toshikazu Takisawa● Introduction to Valqua Technology News No.38 Winter 2020● Technical Paper

● Product Introductions



Director, 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
Product Development Department, Research and Development Division Takahiro Fujihara
Hiroshima University Toshiyuki Sawa
Evaluation of the Compression methods on the Sealing Performance of Gland Packing
Product Development Department, Research & Development Division Masato Hamade
Comparison of Semi-Metallic Gasket’s Performance and Introduction of Kammprofile Gasket Serie
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
Product Development Department, Research & Development Division Mayumi Motoyoshi
30

Summer 2021

● Customer Solutions

No.41