our dished heads are used in a variety of applications and industries such as storage tanks, pressure vessels, road tank, food processing operations, chemical plants ,Nuclear operation, Oil Refining, Architectural feature, power generation.
Due to our forming experience and equipment, we can spin or press the first part of the process of forming your products, It depend on the thickness and material performance,
Our main products are 2:1 SE dished heads, Torispherical heads, Cones,Hemispherical Heads etc
Choosing the right type is the key decision for each customer and one for which our experience team to happy to give advice, simple speaking, the torispherical heads, the less ressure it can withstand, Conversely, the deeper dished heads, for example Elliptical heads, hemispherical, the greater pressure it can take.
Our in house-capability to form dished heads by cold press brings major benefits to our customers and sets us apart from others dished heads manufactures
For carbon steel dished heads, we can forming this dished heads from 76-9000mm in diameter and below 250mm in thickness
The general forming process as the below sketches
Technical Delivery Condition
2,Enquiry/order required information
We can give our clients once they gave us the below information
But if clients tolerance is higher than below Hokkai standards, it shall be provided to Hokkai prior to offer or ordering.
Cold Press Dished Head,Cold Press Stainless Steel Dish Head,Cold Pressed Dished Elliptical Tank Head,Cold Mould Pressed Dished Head YIXING HOKKAI HEAD PLATE CO.,LTD , http://www.hokkaidishedend.com
1,Our material (hot Rolled Unalloyed structural steel, high and low temperature steel, High Alloy steel)
We have no carbon steel plates in our stock and most of plates are from Chinese steel market or mill. Meanwhile As Japanese owed company, We can also source the plates from Japanese ex-mill if end user can`t accept ex-chinese mill.
Basically the delivery time shall be below 20days for dished heads if plates are from steel market. and Max plates width from them is below 2200mm. it means that the seamless dished heads diameter shall be below about 1800mm.
The max width CS plates that Chinese mill can do is below 4700mm,and dished heads can be seamless below 3800mm in diameter.
Wuyue safety valve brief spring-loaded safety valve installation points
For spring-loaded safety valve installation, we have quite a few places to pay attention to, the first thing to note is that before installing the safety valve, be sure to test the sealing performance, if the safety valve leakage or air cushion damage, We must immediately replace the appropriate, we can get the best use. In the process of installation, the first premise is that for all parts of the safety valve, we need to pay attention to the use of vertical installation, the installation angle should be precise and formal, you should use the tool to be the appropriate auxiliary, so that you can Effectively make the installation smooth and effective. Second, during the installation of spring-loaded safety valve, Wuyue safety valve but also to remind everyone not to exert pressure at the outlet of the safety valve, it is best to export directly out here, you can make the safety valve to work effectively, Help you get the best use of the results, have a better experience, install more in place. Another is in the safety, please note that the operator's hand is best to bring the appropriate glove tools, so as to avoid oil problems such as safety valve stuck above, it will affect the safety valve seal, but also possible Will damage the life of the entire safety valve, for everyone to bring the best help. Last Five Mountains safety valve to remind everyone that the process of installing a spring-loaded safety valve at least two operators must be present at the same time and can not be installed immediately after the completion of the state, but should be effective first trial to ensure that The safety valve can work properly, and then put into use.