Manufacturer: Niikura Kogyo  Co., Ltd
Model: ESG Series: ESG-25 to 250, ESA-25 to 250, ESG-25W to 80W, ESA-25W to 80W

Purpose

Every Pipe to suck in oil from Tanks located up in the double bottom such as Fuel-oil Tank, Lubricating-oil Tank and Heat-agent-oil Tank must be equipped with Stop Valve or Cock in the way that it is located direct to Tank wall. This Stop Valve or Cock has to be of function and structure so that it can shut off oil-flow direct at the installed position and also can be remote-controlled for shut-off from a safe place out of the area. We have created and optimized this device to serve such a purpose effectively, making it highly functional and reliable.
Both have Main Spring for closing inside Body, and so feature Compact, Light-weight and Simple.