or redundant (electric or pneumatic) fire detection systems. it opens in response to an electric signal and/ or a drop in pressure of a pneumatic pilot line. the optional valve position indicator can include a limit switch suitable for fire & gas monitoring systems. the y- d is ideal for open-nozzle...
motors generators and diesel- engine generating set cast iron parts die-casting wire & cable bu introduction copper rod bare copper wire power cable communication copper cable optical fiber cable electronic wires lan cable advanced metering infrastructure (ami) electricity meter ami communication business...
motors generators and diesel- engine generating set cast iron parts die-casting wire & cable bu introduction copper rod bare copper wire power cable communication copper cable optical fiber cable electronic wires lan cable advanced metering infrastructure (ami) electricity meter ami communication business...
(ni-cd), and nickel-metal hydride (ni-mh) batteries have been the conventional choice for small-sized rechargeable batteries.nowadays, rechargeable batteries are required to provide higher energy density to meet the needs of customers. moreover, the attention being focused on protecting the environment...