The foam eliminator is used in pressure vessel sampling valve system. The foam eliminator is equipped with special function.
Quick features:
Positive Travel stop prevents over closing the valve to increase seat life
Type 316LSS Body
Red Silicone" O" Ring indicates when the valve is open and provideds a positive seal when closed
Stainless steel steam with Double Lead Thread provides fast,smooth operation(1/8" travel=1.2 turns)
Smooth Bore improves flow characteristics and cleaning.
https://www.bungingdevice.com/sample-valves/stainless-304-steel-sampling-valves.html