What are the requirements for the location of inspection holes?

2015-11-15View Original

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What are the requirements for the location of inspection holes?

Reply #22015-11-15

The location of the inspection holes must meet the following requirements: (1) The inspection holes should be positioned in a reasonable and appropriate manner to facilitate observation or cleaning of the interior； (2) Manholes are provided on the head or on the cylinder near the head.

Reply #32015-11-15

(1) The inspection holes should be positioned reasonably and appropriately to facilitate observation or cleaning of the interior； (2) Manholes are provided on the head or on the cylinder near the head. (3) The spherical storage tank shall have one manhole (or manufacturing process hole) on each of the upper and lower end plates.

Reply #42015-11-16

It depends on the standards for the openings. Manhole: HG21515-1995; Sight glass: JB593-64. The heights of the manhole, the sight glass, and the handhole are all specified.

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