Ellipsoidal Head

Forged ellipsoidal head Processing scope Diameter 159-7500mm Thickness 4-200 mm ISO9001:2008

Ellipsoidal Head  

1.We own Asian unique production line which can make diameter of 12m heads and can supply OEM service .Besides we  manufacture A3 head with high quality and competitive prices.2.Standard:ISO9001:2008;GB/T25198-20103.Testing : non-destructive(UT,RT,MT,PT)                 carbon sulphur analysis instrument                  non-contact type temperature measuring apparatus                   WE-60type omnipotent testing machine                   examine the thickness appearance4.Forming method:cold pressing,cold spinning,hot formed,punching5.License:Manufacture License of Special Equipment People's Republic of China(A3 Head)6.Application:Our different material and specification heads can be used in many fileds,such as petroleum,chemical industry,boiler,pressure vessels,railway transportation,metal structure,water supply facilities and aerospace engineering,etc.7.Head's gradient as follows:

DN	Straight edge	gradient	Tolerance of total depth(height)
DN≤2000mm	h=25mm	outer:1.5mm  inner:1.0mm	(-0.2~+0.6)%DN
DN≥2000mm	h=40mm	outer:2.5mm  inner:1.5mm	(-0.2~+0.6)%DN
others		outer:6%h&≤5     inner:4%h&≤3	(-0.2~+0.6)%DN

8.Tolerance of groove angle and groove dimension ,groove surface roughness as follows:

Items	Tolerance
groove angle	±2.5°
groove dimension	±1mm
groove surface roughness	no cracks,delamination,inclusions and other defects

9.Material:mild steel,low alloy steel,carbon steel,stainless steel,clad plate

Ellipsoidal Head