A sampler with a bottom opening valve used for non-pressurised sampling. The valve can be actuated at any depth by a snatch cord, or self actuated when the valve or its extender rod strikes the bottom of the storage tank.
A sampler with a bottom opening valve used for non-pressurised sampling. The valve can be actuated at any depth by a snatch cord, or self actuated when the valve or its extender rod strikes the bottom of the storage tank.
