How to deal with mortar tank large mouth to small mouth flange

Make the flange, determine the position of the flange, tighten the flange, clean the tank mouth, test.

1, first of all in a tank mouth the same size as the aluminum plate cut out a small ring, the ring and the tank mouth contact surface flat, drilling a series of holes and bolted.

2, secondly, in addition to the rivets around the mouth of the can not removed, will be coated with glue flange over the mouth of the can, to ensure that the flange is installed in the correct position, drilling holes and flanges situated in the mouth of the can in the required position.

3, then do not allow the flange and around the tank mouth to crack or leak, use a hex wrench and suitable screws to fix the flange to the tank mouth.

4, then after processing the mouth of the tank needs to be cleaned, apply glue around the mouth of the tank and scrub to remove residual substances.

5, the last tank before use for testing, slowly and gradually add water, while observing the tank mouth whether there is any leakage, cracks or deformation and so on. No abnormalities appear, the mortar tank can be used normally.