Non-Sparking thief hatch
Non-Sparking thief hatch
(OP)
may be a silly question, but wanna know it right!
Can someone through some light on when to use non-sparking thief hatch and when to use self-closing thief hatches.
Can someone through some light on when to use non-sparking thief hatch and when to use self-closing thief hatches.





RE: Non-Sparking thief hatch
For LDAR chemicals in the USA, the allowable rate is so low that latching hatches w/gaskets are mandatory. In my tanks that are in flammable-liquid service -- flash point below 100°F -- all thief/sample/gauging hatches are latching. My current favorite is the Shand & Jurs 95021 woth 'Quick-Clamp' option. Works great, keeps the vapor leakage in the part-per-millions range.
RE: Non-Sparking thief hatch
Useful info.