Vetenskap & teknik
Pocket
AWWA C542-16(R21) Electric Motor Actuators for Valves and Slide Gates
American Water Works Association
2159:-
Tillfälligt slut online – klicka på "Bevaka" för att få ett mejl så fort varan går att köpa igen.
This standard describes electric motor actuators for valves and slide gates in water, wastewater, and reclaimed water utility systems. Electric motor actuators are designed to produce a multiturn rotary motion output to actuate a multiturn valve or gate or to actuate an external gearhead for quarter-turn valves. Electric motor actuators not requiring external gearheads for quarter-turn valves are defined in Sec. 4.4.1.2.
- Format: Pocket/Paperback
- ISBN: 9781647170769
- Språk: Engelska
- Antal sidor: 36
- Utgivningsdatum: 2022-02-28
- Förlag: American Water Works Association,US