With the improvement of the safety requirement of tank area in the country, emergency cut-off valve, which has got SIL certificate, must be installed on SIS system in tank area.

1.Cylindrical tank, the medium is crude oil, methanol, etc. 

2.Spherical tank, medium is liquefied gas and chemicals

Figure above: Ball valve in spherical tank area; Figure below: Triple eccentric butterfly valve in tank area

3.Terminal loading and unloading system isolation

4.Tank area: Pneumatic/ Electro-hydraulic emergency cut-off valve, with Fire Proof Jacket