Selection and Purchase Selecting a tank and valve depends, among other factors, on your size, the type of diving you will be where you'll use the tank. Consult your PADI Dive Center, Resort or Instructor for help when purchasing a tank for your area.for Use, Aside from assembling it with the rest of your scuba gear, the only preparation required for a tank is having it filled at a reputable fill station, such as a dive center. You'll read about setting up your gear in the Confined Water Preview. Your tank will come with the valve installed, so you don't have any preparation requirements there.Your tank valve should operate easily and smoothly.

If there is any difficulty in operation, don't try to lubricate it. Have a professional dive operation service it. Closing a valve too tightly can damage its high-pressure seal. When setting up your equipment, open the valve slowly, all the way until it stops turning.(Note: It used to be common to open the valve all the way, and then close it a quarter to half a turn. This isn't necessary with modern valves, though it doesn't hurt anything if someone does it.) When you're taking it apart,44 Open Water Diver Manual Out of water, scuba tanks are heavy, unstable when left standing a. 1 tend to roll when lying down. The cylindrical shape has a purpose - it's structurally very strong and one of the best shapes for containing pressure.

To avoid damaging your tanks, or having your tanks damage something else or even hurt someone, always block or secure them so they can't roll. Don't leave them standing unattended, because fresh water and storing it out of the sun, you have some extra considerations for care.Besides rinsing your tank and valve with they fall over easily, which can damage your BCD or regula-tor if you've set up your unit. If you need to leave tanks standing up - which is common to save deck space on a boat - you need to secure them so they can't fall. Dive boats commonly have special racks for this. When carrying your tanks in your car, lay them down horizontally and block or tie them.