Excellent corrosion and chemical resistance! In response to many requests, we have renewed our product!
This is a corrosion-resistant valve with a total lining of glass that excels in corrosion resistance, making it suitable for use with highly permeable chemical solutions. 【Features】 ■ Excellent corrosion and permeation resistance: It can be used with strong acids such as hydrochloric acid and concentrated nitric acid, as well as highly permeable chlorine gas. It has corrosion resistance against almost all chemicals, except for some such as alkalis. ■ Wear resistance: Compared to PFA linings, which show similar corrosion resistance, it has superior wear resistance, making it suitable for use with slurry-type chemical solutions. *For more details, please refer to the PDF document or feel free to contact us.
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【Specifications】 ■Model: 440(25) type / 440(05) type ■Applicable Nominal Diameter: DN20–50 / DN65–200 ■Body Material: Carbon Steel + Glass / Cast Steel + Glass ■Diaphragm Material: NEW.PTFE (PTFE) / EPDM (liquid contact side / cushion rubber) ■Connection Standard: JIS 10KRF (JIS 10KFF) *Partly based on our own standards *For more details, please feel free to contact us.
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Applications/Examples of results
【Examples of Fluid Usage】 ■ Hydrochloric acid, chlorine gas, sulfur dichloride, phosphorus trichloride, fuming hydrochloric acid, titanium tetrachloride, concentrated nitric acid, concentrated sulfuric acid, etc. *For more details, please feel free to contact us.
Line up(2)
Model number | overview |
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440(25) type | DN20~50 |
440(05) type | DN65~200 |
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Company information
Since its founding in 1955, our company has made customer satisfaction (CS) — that is, "providing products that satisfy our customers" — the fundamental management policy. For over 60 years, we have supplied products such as diaphragm valves, ball valves, and butterfly valves tailored to our customers' needs. By providing these products across a wide range of industrial sectors, including pharmaceuticals, chemicals, semiconductors, and steel manufacturing, as well as in public sectors such as nuclear and thermal power generation, water supply and sewage, and waste treatment facilities, we take pride in contributing to the development of economic activities and the creation and maintenance of an environmentally sustainable society. Moving forward, we will continue to respond to our customers' requests and strive to be of service to society, with all employees making every effort. 【Main Areas of Service】 We provide a wide range of valves across various sectors, from industries such as pharmaceuticals, chemicals, semiconductors, and steel manufacturing to public sectors like nuclear and thermal power generation, water supply and sewage, and waste treatment facilities. ■ ISO 9001 and 14001 Certification Obtained *For more details, please download our company brochure or contact us.