It is constructed of a Spark-reducing Metal(Brass) and weighted so as to sink readily in liquid to be sampled. The lowering and retrieval equipment is attached to sampler in such a manner that a stopper can be opened by means of a sharp jerk.

ASTM D4057 Weight Multi-Levels Self-Sealing Sampling Beaker, Representative/Upper/Middle/Lower Sample Collecting Container,Brass Material No-Spark, No Welding, No Oil Leakage. Laboratory Petroleum Oil Sample Cans in Tank

ASTM D4057 Manual Sampling Bottles, Petroleum Products Weighted Sample Cans, Lab Oil Upper Detachable Sampling Beaker

Liquid Sulphuric Acid, Nitric Acid, Hydrochloric Acid or Other Liquid Corrosive Acid Sampling Cans, Laboratory PTFE Acid Anti-Resistance Sample Beakers