Frequently Asked Questions about Valves [Diaphragm Valve Edition]
Diaphragm Valve Edition! We will answer frequently asked questions about valves!
This document summarizes frequently asked questions about diaphragm valves and provides answers in a Q&A format. If you have any questions or requests regarding our products other than diaphragm valves, please feel free to contact us. 【Contents (Q&A)】 ■ What is the history of diaphragm valves? ■ Can you explain the structure of diaphragm valves? ■ What are the characteristics of diaphragm valves? ■ How should I select the combination of the body and diaphragm? ■ What is the durability and lifespan of the diaphragm? *For more details, please refer to the PDF document or feel free to contact us.
basic information
【Other Published Content (Q&A)】 ■ Can the existing rubber diaphragm be replaced with a PTFE diaphragm? ■ What are the operating pressure and temperature ranges for the diaphragm valve? ■ How do I replace the diaphragm? ■ What are the applicable flange standards for diaphragm valves? ■ What is the "minimum liquid accumulation angle" for diaphragm valves? ■ What auxiliary devices are used with air-operated diaphragm valves? ■ What is the difference between buff polishing and electropolishing? ■ Are there any special precautions to be aware of when piping diaphragm valves? ■ Please provide details about environmentally friendly products. *For more information, please refer to the PDF materials or feel free to contact us.
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Applications/Examples of results
For more details, please refer to the PDF document or feel free to contact us.
catalog(1)
Download All CatalogsNews about this product(6)
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Notice of catalog revision for "NDV diaphragm valves" and "NDV sanitary-related valves" (FAQ collection also introduced!!)
We have started distributing the revised version of the catalog listed below. We hope it will be useful for your daily operations in selecting valves. We would be grateful if you could gain a deeper understanding of our products. ◇ NDV Diaphragm Valves: This catalog features a variety of products including manual valves, air-operated ON-OFF valves, and electric valves. Additionally, it includes technical materials such as dimension and material selection tables at the end, which will assist in valve selection. ■ Japanese version "No.D303-12" ◇ NDV Sanitary Related Valves: This is a 'comprehensive catalog' featuring sanitary specification valves suitable for manufacturing equipment in pharmaceuticals, food, and semiconductors. We introduce a wide range of applications, including the "Bio-Clean Diaphragm Valve Series," which maximizes the features of diaphragm valves, and sanitary butterfly valves for pharmaceutical containers. ■ Japanese version "No.D117-09" *If you would like to receive a catalog, you can apply through the inquiry page. Please feel free to contact us if you have any questions or concerns. We also have a FAQ section available, so please check it out in the related catalogs below.
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Notice of Revision for the "Diaphragm Valve Catalog" (Case Studies and FAQ Collection Also Introduced!!)
We have revised the "Diaphragm Valve" catalog and have started distributing "No. D303-09." For those who may not be familiar with diaphragm valves, we have made an effort to edit the content to provide necessary product information in a clearer, more accessible, and visually appealing format. We hope this will be helpful in your daily operations when selecting diaphragm valves, and we would be grateful if you could gain a deeper understanding of our products. Additionally, we offer the electronic catalog on our website. It can be viewed on various devices, including PCs, iPads, iPhones, and Android devices, so please feel free to check it out on your tablet as well. *If you would like to receive a physical catalog, you can apply through the inquiry page. If you have any questions or concerns, please do not hesitate to contact us. We also have case studies and a FAQ collection available. Please check them out along with the related catalogs below.
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Notice of Revision for the "Diaphragm Valve" Catalog (Also Introducing Case Studies and FAQ Collection!!)
We have revised the "Diaphragm Valve" catalog and have begun distributing "No. D303-11." For those who may not be familiar with diaphragm valves, we have made an effort to present the necessary product information in a clearer, more accessible, and more visually appealing format. We hope this will be helpful in selecting diaphragm valves for your daily operations. We would be grateful if you could gain a deeper understanding of our products. *If you would like to receive a catalog, you can apply through the inquiry page. Please feel free to contact us if you have any questions or concerns. Additionally, we also have a collection of case studies and FAQs available, so please check the related catalogs below.
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A new category "Valve FAQ" has been established on the NDV special site!
We have published "General Information on NDV Products" and "Diaphragm Valve Edition" in the Valve FAQ section. You can access it from the link below, so please take a look. *For more details, please refer to the PDF document or feel free to contact us.
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Thank you for visiting the 22nd Interphex Japan [Nihon Diavalve].
We exhibited at the 22nd Interphex Japan held at Makuhari Messe from November 25 to 27, 2020. Thank you very much for visiting our booth despite your busy schedule. 【Exhibited Products Introduction】 1. CNT (Carbon Nanotube) Added Antistatic Diaphragm - A product designed to prevent leakage due to electrostatic breakdown! 2. Quick-Opening Handle Type: BQL400NB - Easy operation with a 90-degree rotation, preventing over-tightening of the valve for longer lifespan! 3. Corrosion-Resistant Valve with Sanitary Specifications - Ideal for corrosive fluid measures, gap corrosion prevention, and metal ion elution prevention! 4. Sanitary Butterfly Valve for Powder and Granular Discharge - Excellent washability with a lightweight and compact design using a clamp method! 5. Bio-Clean Diaphragm Valve - A structure that excels in "air tightness," "cleanability," and "maintainability," preventing fluid contamination! *For more details, please download the catalog or contact us. *If you have any requests or questions that we were unable to address at the venue, please feel free to contact us.