Dipping vessels 1l stainless steel

For sampling liquids from tanks, lorry tankers, etc. Made of brass or stainless steel AISI 304 (1.4301) for Ex areas. With handle. Without lowering cable.
Operation: When the dipping vessel is lowered, the liquid constantly runs through it. By pulling back, both valves close automatically.
Emptying at the top via the open flaps.