Elliptical Heads

Elliptical Heads also called an Ellipsoidal head. The shape of this head is more economical, because the height of the head is just a fraction of the diameter. Its radius varies between the major and minor axis; usually the ratio is 2:1.
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We manufacture elliptical Heads/bottoms as per ASME VIII Div. 1.  NF E 81-103 and DIN 28013 or customized by customer requirements.
Elliptical heads are used extensively in the construction of tanks for liquefied petroleum gas, air receivers, and other unfired pressure vessels etc. which the tanks designed for medium pressures;



 

Technical Data

Technical explanations

CR = 0,8Do
KR = 0,154Do
SF = 3t or per request
DH = 0,255Do – 0,635t
THi = SF+DH

D0 = external head diameter
Di = internal head diameter
CR = crown radius
KR = knuckle radius
SF = straight flange height
DH = depth of dishing
THi = total internal head height
t = wall thickness
  



Formed Processing   Welding
Processing
Head Types Diameter Thickness Material Heat
Treatment
Testing
&Inspection
Partial Data Report
Cold Formed

Hot Formed
Automatic Submerged
Arc

Gas Shielded

DC Arc welding

Argon arc
Elliptical heads

Tori spherical heads

Hemispherical heads

Flanged &Dished heads
3.5 to 295 inch
 
(each piece)
15 to 16
inch
Carbon Steel

Stainless Steel

Stainless-Clad

Duplex Stainless

Alloy

Low alloy steel

Titanium

Copper

Aluminum

………
 
Normalizing

Annealing

Quenching

Tempering

Solid Solution

PWHT
Ultrasonic test

Penetrant test

Radiographic test

Magnetic test

PMI

Physicochemical
test
ASME Section VIII,
Division 1
(U stamp)

GB/T25198-2010
 Application Industries Production Equipment
Chemical Industry

New Energy

Aerospace

Military 

Nuclear Power Plant

Petroleum and petrochemical Industry

Boilers

Pressure Vessel

Food Machinery Industry
39,000 Tons capability Press machine

1000 to 8000 Tons capability press machines

Gas heating furnaces with Width from 87 to 300inch and Length from 98 to 300 inch

Edge Folding Machines with capability from 240 to 395 inch

Testing & Inspection and Welding Auxiliary devices

………
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