For entering a grain godown where furnigation is in progress in grain stacks, it is essential to ensure that Phosphine level araound the stacks is within acceptable limits, to meet the safety standards. Phosphine indicator strips do this job. It is the easiest means of detecting Phosphine is suspected areas.They are paper strips imregnated with Phosphine-sensitive chemicals by a special process. They detect Phosphine by their change of colour. Concentration of Phosphine Exposure Time Colour Change 0.3ppm 30min. yellow to light pink 1.0ppm 10min. yellow to pink 2.0ppm 5min. yellow to pink 5.0ppm 2min. yellow to pink 10ppm 1min. yellow to pink
For entering a grain godown where furnigation is in progress in grain stacks |
All Pumps Machinery provides QBY3 diaphragm pumps china Series air operated diaphragm pump for sale is a newly developed model of the third generation ADD pump series pneumatic diaphragm pump, with long service life, non-stop operation, not only can transport some medium that ...
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The working principle of the diaphragm pump is that the motor drives the elastic diaphragm to reciprocate through the eccentric wheel so that the volume of the cavity changes. The inlet and outlet are designed as one-way valves to realize the suction and discharge of the ...
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