
Industrial valves — Gearbox for valves
出版:International Organization for Standardization

专家解读视频
This document provides basic requirements for gearboxes to operate industrial valves for manual and automated on/off and modulating duties, this includes manual override gearboxes.
DS/EN ISO 22109:2020 - Identical
DS/ISO 22109:2020 - Identical
EN ISO 22109:2020 - Identical
I.S. EN ISO 22109:2020 - Identical
NEN-EN-ISO 22109:2020 - Identical
BS EN ISO 22109 : 2020 - Identical
UNI EN ISO 22109:2020 - Identical
EN ISO 22109:2020 - Identical
NEN-EN-ISO 22109:2020 - Identical
I.S. EN ISO 22109:2020 - Identical
DS/EN ISO 22109:2020 - Identical
DS/ISO 22109:2020 - Identical
UNI EN ISO 22109:2020 - Identical
BS EN ISO 22109 : 2020 - Identical