Whether to differentiate gas tank to be simple pressure vessel?
Satisfy the simple pressure vessel of following condition at the same time, do not need to deal with use the procedure that register. Recommending the simple pressure vessel inside service life, do not need to press " pressure vessel regular inspection is regular " have regular inspection. But production unit ought to offer product certificate of approval, operation instruction handbook, complete to pursue to the user (Xerox) the production that issues with supervisory inspection agency supervises certification. Achieve the simple pressure vessel that recommends service life to ought to discard as useless, if need those who use to continue, use