New logo for VPNZ

This is what VPNZ was looking for in their logo design

At VPNZ we sell vacuum pumps and blowers that move air under pressure. We have a current logo, attached, which is good but you will be able to do better. We are okay with the the current colours but the font and layout could be improved. An issue with the current logo is that because of the layout it can only be used on the Left of a page. The swirly lines are meant to show the flow the air but you may have a better way of representing this. The circle is the engineering symbol for a vacuum pump, but because it is twisted around nobody spots this. The design should communicate air flow, power, modern and dynamic.
New addition: We have decided on our tag line to go with the logo and if this could be incorporated into the design it would be ideal. The tag line will be '+- air' with the plus sign on top of the minus sign. We are unsure whether to have a capital A or all lower case. The Font should not be in italics and it can be Black or graded Black. Read more