Pressure Vessel Carbon Steel Water Tank Manhole Cover cap

Hemispherical heads allow more pressure than any other head. However, the hemispherical head is the most expensive to form, as they consists of a number of petals or gores. The number of which depends on the size of the head and the thickness of the plate to be used. The depth of the head is half of the diameter

Dished head is only heads are generally used for atmospheric tanks and vessels and for bulk heads or baffles inside horizontal tanks or tankers.

A: Thanks for your question. If you have drawings, we will be entirely in accordance with production drawings . If you do not have the drawing, you can tell me the product data. There are several important data, such as material, type of head( We have elliptical head, hemispherical head, dished head, flat head, etc. ),diameter, thickness, special tolerances or requirements. We can do the drawings according to your requirements, and you confirm that the final product drawings.

A:Thanks for your question. For carbon steel products, we sandblasting descaling product surface. For stainless steel products, we use acid to remove surface oil and impurities.

A: Thanks for your question.Our production staff is trained through national quality department, and obtain the corresponding certificate, with years of production and design experience. Weld must undergo X-ray inspection to ensure that no defects.

A: Thanks for your question. Our company also is surrounded by a lot of ancillary businesses, such as flanges, boiler, oil refining equipment, etc. We can help you matching the highest quality products with the lowest prices .