Vessel dished head is a component used to close the end of a vessel to isolate the medium inside and outside, also called end cap.
According to different geometric shapes, it can be divided into spherical, elliptical, disc, crown, conical and flat bottom, among which spherical, elliptical, disc and crown type heads are also collectively called convex heads.
In terms of welding, they are divided into butt weld head and socket weld head. They are used for various kinds of vessels and equipments, such as storage tanks, heat exchangers, towers, reactors, boilers and separation equipment, etc.
Materials include carbon steel (A3, 20#, Q235, Q345B, 16Mn, etc.), stainless steel (304, 321, 304L, 316, 316L, etc.), alloy steel (15Mo3 15CrMoV 35CrMoV 45CrMo ), aluminum, titanium, copper, nickel and nickel alloy, etc.
Executive Standards of Dished Head.
Pressure Vessel Head GB/T25198-2010
Pipeline standard: GB/T12459-2005, GB/T13401-2005
Power standard: DL/T695-1999, D-GD87-0607
Petrochemical standards: sh3408-1996, sh3409-1996
There are many uses of dished head in our daily life, Jetvision shares something with you
Dished head is an indispensable and important part of pressure vessel equipment in many industries from petrochemical, atomic energy to food and pharmaceutical.
Dished head end is the end cap of pressure vessel, which is a main pressure bearing part of pressure vessel. The role played is a sealing role. One is made into the top and bottom of the tank-shaped pressure vessel, and the other is that the pipe reaches the dished head and is not going to be extended forward, then a dished head is used to seal the pipe in the form of welding.
Similar to the role of vessel dished head, there are blind plate and pipe cap, but those two products can be disassembled. But the dished head cannot be disassembled after it is welded. The quality of the vessel dish head is directly related to the reliable operation of the pressure vessel. The pipe fittings with which it is used are pressure vessels, pipes, flanges, elbows, tees, crosses and other products.
Vessel dished end is also more common in daily life and is a common kind of pressure vessel equipment.
Application scope of dished head: petroleum, electronics, heating, chemical, pharmaceutical, sewage treatment, light textile, food, machinery, construction, nuclear power, aerospace, pressure vessel, military and other industries.
Hunan Jetvision is one of the leading heat exchanger manufacturers and suppliers with over 20years experience of vessel heads production and technology, we mainly manufacture, stock and supply Elliptical Head, Hemispherical Head, Torispherical Head, etc. at the best factory prices and top quality.
Heat transfer division as a branch company of Group Hunan Jetvision Industrial Co., Ltd. We have grown to be a professional supplier in key customized components of Shell-tube HE. Offer one-stop service to our client,main products including tube-shell HE----like U tube, tube sheet, shell flange, baffle plate, vessel heads, fin tube, etc.
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