NDV "Ball Valve" Comprehensive Catalog

A large number of ball valves, including fire-safe types and V-port valves, are featured!!

last updated Jun 22, 2022

Japan Diavalve Co., Ltd. "Product Guide" Catalog

Introducing high-quality diaphragm valves, ball valves, and butterfly valves!

last updated Jan 12, 2022

NDV stainless steel oval handle

Compact design & safety features! Durable ball valve exclusive options.

last updated Feb 21, 2023

Japan Diavalve Co., Ltd. Company Profile

Contributing to our customers' technological innovation! Providing reliable technology, products, and services that respond promptly to changes in the times.

last updated Jan 12, 2022

Information on our product and service support contact.

Accurate implementation of "preventive maintenance" reduces risks and prevents troubles before they occur!

last updated Sep 26, 2024

Valve FAQ Frequently Asked Questions [General NDV Products Edition]

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

last updated Sep 02, 2021

Introduction to initiatives for the environment

Aiming to create environmentally friendly valves... "The entire company is united in promoting the continuous reduction of environmental impact!" "ISO 14001 certification obtained!"

last updated Jul 30, 2025

2-way ball valve "F100NB type" <fire-safe type>

Adopting a fire-safe structure! With high levels of "safety" and "sealability," you can use it with "peace of mind" for a wide range of applications!

last updated Sep 05, 2023

3-way ball valve T/L port 4-sided sheet 'E300NB-T4/L4 type'

Switching operations for various flow paths realized with a single unit! Reducing piping costs and saving space!

last updated Mar 05, 2024

Y-shaped 3-way ball valve (Y300 type)

Resolve troubles occurring in powders, slurries, and highly viscous fluids! It is possible to choose the installation posture according to the piping design!

last updated Feb 03, 2025