Forum Discussion
Old-Biscuit
Apr 03, 2015Explorer III
YES tank will need to be emptied when changing out valve.
Valve has a double seat.....one that seals when valve is closed and one that seals when valve is fully opened (back-seated).
Leak prevention when opening/closing valve is done via packing inside valve stem gland and a packing nut.
Unlike a typical valve where packing gland nut can be tightened using a regular wrench most propane service valve packing gland nuts are internal style with recessed slots and require a 'spanner' type adjustment tool (bulk dealer/repair) or replacement of service valve.
Valve has a double seat.....one that seals when valve is closed and one that seals when valve is fully opened (back-seated).
Leak prevention when opening/closing valve is done via packing inside valve stem gland and a packing nut.
Unlike a typical valve where packing gland nut can be tightened using a regular wrench most propane service valve packing gland nuts are internal style with recessed slots and require a 'spanner' type adjustment tool (bulk dealer/repair) or replacement of service valve.
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