The pipe dope inside the tube would be mostly pushed further into the tube.

Now that blob ends up migrating to regulators and valves causing failures.

If only applied on the male thread the excess is outside the fitting. When completed none needed inside and nothing to foul regulators and burners.

The pipe dope on the inside threads would be mostly pushed out of the threads into the fitting.

Now that blob ends up migrating to regulators and valves causing failures.

If only applied on the male thread the excess is outside the fitting. When completed none needed inside and nothing to foul regulators and burners.

The pipe dope on the inside is mostly pushed out.

Now that blob ends up migrating to regulators and valves causing failures.

If only applied on the male thread the excess is outside the fitting. When completed none needed inside and nothing to foul regulators and burners.

The pipe dope inside the tube would be mostly pushed further into the tube.

Now that blob ends up migrating to regulators and valves causing failures.

If only applied on the male thread the excess is outside the fitting. When completed none needed inside and nothing to foul regulators and burners.