General NDV Products Edition! We will answer frequently asked questions about valves.
This document summarizes frequently asked questions about NDV products in general, specifically regarding valves, and provides answers in a Q&A format. If you have any questions or requests regarding our products, please feel free to contact us. 【Contents (Q&A)】 ■ What types of valves does NDV handle? ■ Are there any restrictions on the installation position of the valve piping? ■ Why can multiple actuators be selected for a single nominal diameter? ■ What is the NAMUR standard? *For more details, please refer to the PDF document or feel free to contact us.
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【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.
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For more details, please refer to the PDF document or feel free to contact us.
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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.
