Glass-lined diaphragm valve "440 (25/05) type"
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.
basic information
【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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Delivery Time
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.
Related Videos
Line up（2）
| Model number | overview |
|---|---|
| 440(25) type | DN20～50 |
| 440(05) type | DN65～200 |
catalog（2）
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News about this product（4）
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Free invitation with pre-registration! Announcement of participation in the INCHEM TOKYO 2025 exhibition.
Our company will be exhibiting at "INCHEM TOKYO 2025," which will be held at Tokyo Big Sight from September 17 (Wednesday) to September 19 (Friday). This exhibition is a specialized event for the chemical and process industries, and we will showcase a variety of valve products suitable for a wide range of industrial fields, including chemicals, environmental and water treatment, and pharmaceuticals, focusing on diaphragm valves, ball valves, and butterfly valves. 【Highlights of Our Exhibition】 ◆ New product "EX-Bio Clean Diaphragm Valve" launching in July! A next-generation diaphragm valve utilizing a new sealing structure! We have further enhanced the leakage prevention performance! ◆ Renewed products responding to many requests! The "Glass-Lined Diaphragm Valve" has been renewed! ◆ In addition, we will display various valve products suitable for a wide range of industrial fields such as chemicals, environment, water treatment, and pharmaceuticals! ◆ Our company representatives will provide explanations and proposals using actual samples! We sincerely look forward to your visit! For more details, please refer to the related document "Invitation to INCHEM TOKYO 2025 (General Invitation)" below or feel free to contact us.
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Thank you for visiting the 27th Interphex Japan Exhibition from July 9 (Wednesday) to July 11 (Friday) [Nihon Diavalve].
We exhibited at the "27th INTERPHEX JAPAN Exhibition," which was held at Tokyo Big Sight from July 9 (Wednesday) to July 11 (Friday). Thank you very much for visiting our booth despite your busy schedule. 【Details of Exhibits】 ■ New Product: EX-Bioclean Diaphragm Valve ■ Renewal: Glass-Lined Diaphragm Valve ■ Products Excellent for Dead Space Solutions ■ Corrosion-Resistant Valves with Sanitary Specifications ■ For Powder and Granule Discharge: Sanitary Butterfly Valve *For more details, please download the catalog or contact us. (The catalog can be downloaded from the catalog page of the special website below.) *If you have any requests or questions that we could not address at the venue, please feel free to contact us.
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[Free Invitation with Pre-registration!] Announcement of Participation in the 27th Interphex Japan Exhibition
Our company will be exhibiting at the 27th INTERPHEX JAPAN, which will be held at Tokyo Big Sight from July 9 (Wednesday) to July 11 (Friday). This exhibition is one of the world's leading events showcasing specialized technologies in the pharmaceutical and cosmetics industries. We will present various valve products optimal for manufacturing processes in pharmaceuticals and biotechnology, including our "Bio-Clean Diaphragm Valve" series. 【Highlights of Our Exhibition】 ◆ Official Sales Launch! New Product "EX-Bio Clean Diaphragm Valve" A next-generation diaphragm valve utilizing a new sealing structure! Officially launching this summer! ◆ Renewed Products in Response to Many Requests! The "Glass-Lined Diaphragm Valve" has been renewed! ◆ Additionally, we will showcase various sanitary valve products ideal for manufacturing equipment in pharmaceuticals, cosmetics, food, and semiconductors! ◆ Our company representatives will provide explanations and proposals using actual samples! We sincerely look forward to your visit! For more details, please refer to the related document "Invitation to the 27th INTERPHEX JAPAN (General Invitation)" below or feel free to contact us.
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Notice of product renewal for the glass-lined diaphragm valve "440 (25/05) model"!
In response to many requests, we have renewed our product! It features a total lining of the main flow path with glass that has excellent corrosion resistance, making it suitable for use with highly permeable chemical solutions. 【Main Features】 ■ Available on the product page below! *For more details, please refer to the PDF or feel free to contact us.
