Safety pressure relief valve of transformer 55KPA DN55 

Henan New Electric Power Co., Ltd deals in the R&D, manufacturing and sales of various medium, high and low voltage transformers and transformer accessories. The transformer accessories mainly include Buchholz relay, tap changer, oil level gauge, butterfly valve, moisture absorber, pressure reducing valve, cross flow cooling fan, bimetal thermometer, epoxy resin insulator, etc. New and old customers are welcome to purchase and customize. The pressure relief valve is a safety device used to protect the oil immersed transformer and other electrical equipment from overpressure, which can prevent the transformer tank from deforming or bursting. Structure and working principle: 1. The main structural type of pressure relief valve is external spring type, with or without directional guiding device. Its main components are composed of spring, valve seat, spring seat, valve housing (cover), marker rod, signal switch (occurrence box), sealing ring and other parts. 2. Working…