Hycontrol, Redditch, UK, recently installed and commissioned integrated SPS silo protection systems on vertical storage vessels at the UK headquarters of sealants and adhesives specialist Sika to ensure that the company complied with the latest MPA (Mineral Products Association) safety guidelines. The new over-pressurisation systems have been installed on nine 50t capacity silos, three containing cement and six containing sand. 

 

MPA guidelines for silo protection systems recommend that silos should be fitted with three essential components: a pressure relief valve, suitably sized for the application; an effective high level alarm device, programmed to allow sufficient ullage above the final product level and an auto shut-off system that halts the filling process should the level in the silo exceed safe levels. For the Sika application, Hycontrol’s final recommendation was for nine complete SPS silo protection systems. Each one incorporates the company’s latest pressure relief valve, a self-cleaning DP150 Diamond Point vibrating probe on a 1m-long cable providing the HLA, a FLEX501-D pressure sensor and a bespoke alarm panel with GLT (ground level testing) capabilities and auto shut-off. www.hycontrol.com 

 

 

Three of Sika’s 50t capacity silos and (below) the specially designed alarm panel which controls GLT test procedures and auto shut-off