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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/T25198-2010
3. 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 appearance
4. Forming method:cold and hot pressing,cold and hot spinning,hot formed,punching
5. 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
Type code name: EH
Use shape parameter frequently: Di/(2hi)=2
Symbol explanation: Di - Head internal diameter H - straight side altitude The hi - altitude of curved surface The II - Head degree of height overall δ n - Head nominal thickness
May processing scope: Di-159mm - 7500mm
10. Glad to know of our company products, I will do my best to support!
Forged elliptical head