Mobile, mounted on four castors, fitted with 1/4 HP electric motor, vacuum control knob, vacuum gauge, collecting jars fitted with self sealing rubber bungs and overflow guard with filter to prevent moisture in the pump.
This apparatus is made of polyethylene has three main portions. The top portions is fitted witha thistle funnel and a bulb structure through which dilute acid can be poured wich reacts with a metal sulphide in the base of the Apparatus. HS gas then evolved collects in the middle dome from where it can be released through a leakproof stopcock fitted with a self lubricating PTFE plug. The base is provided with a residual outlet fitted with a cap for easy cleaning. In Size : 250, 500 & 1000 mm.