日本ダイヤバルブ 本社　業務・開発部 Official site

General NDV Products Edition! We will answer frequently asked questions about valves.

【Other Publication Contents (Q&A)】 ■ What do "single acting" and "double acting" mean in relation to air-operated valves? ■ Please tell me about the support period for spare parts. ■ What information is needed when requesting a quote for a valve? ■ Are there any products or parts that are subject to export restrictions? *For more details, please refer to the PDF document or feel free to contact us.

Diaphragm Valve Edition! We will answer frequently asked questions about valves!

【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.

The flow path is close to straight, with a structure that has low pressure loss and minimal liquid accumulation! It is suitable for fluids containing sludge, suspended solids, and more!

For more details, please refer to the PDF document or feel free to contact us. (The English and Chinese versions of the catalog can be downloaded from the catalog page of the special website below.)