1, Description
This is called an elliptical head. the shape of this head is more economical beasue the height of the head is just a graction of the diameter.its radius varies between the major and minor axis;usually ratio is 2:1 
this size heads are used externsively in the construction of tanks for liquefied petroleum gas, air recievers and other unfired pressure vessels.these heads can be fored form carbon steel,stainless steel ,and other ferrous and non-ferrouns metals and alloys.  

2, Application: 
Gas and Oil industry, Petrochemical industry, food, etc

3, forming range (see below excel)
Note that: 
A: The below heads was formed by hokkai with one piece plate, 
B: Pls check with me if the range is out of the below range, pls contact with me
C, the forming range is not included in petals fabrication way. 

4, Order information
Pls provide us with below information
1) Material grade. Including special requirement if have
2) Head Diameter
3) Nom THK or min thick
4) Straight Flange if have
5)others special forming process

Hokkai can provide various shapes of heads with ASME VIII-1 with U stamp, EN1345, AS1210 or China code etc. Hokkai also has qualification of most NDT methods.

Pls contact with me by the below E-mail adress if you have any further queries.

Cold press range: 

 Cold Spinning 

Segment forming 

1.Hokkai Group


2,YIXING HOKKAI 
   * Established in Mar 1994 
   * Start to produce in Oct 1995
   * Became 100% Japanese owed in Aug 2000
   * Purpose: Based on the HIW accumulative head plates experience for kinds of industries, service to the development of chinese industry
   * Investor: Hokkai Iron Works 89.9%, Hokkai Limited 10.1%
   * Total investment: USD26.3million; registered captial: 12million
   
3, YIXING HOKKAI DISHED ENDS ORDER PROCESS
     

4, YIXING HOKKAI PRODUCTION PROCESS
    

5, YIXING HOKKAI QC SYSTEM