Tel:0086-531-83115701 Email:aowei@jnaowei.com
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Forged machined flanges are precision designed and used with various types of industrial manifolds and valves. These flanges are used for handling gas, liquid, and vapor in a wide array of hydraulic and vacuum systems. At Jinan Aowei Flange, high-quality forged flanges are manufactured to specifications provided by our customers.
We can provide custom machined flanges in the following specifications:
Length | .010 to 24” |
Diameter | .010 to 3” |
Thread Type | UNC, UNF, Acme, Machine |
Tolerances | +/-.001” |
Machine Surface Finish | Up to a 16 micro |
Some industries and applications utilizing forged flanges are mentioned below:
Oil and gas industry
Medical and pharmaceutical
Aerospace industry
Petroleum industry
Power generation
Machine tool
Vessel and heat exchanger manufacturer
Marine industry
Medical units
Transportation
MEASURING A STANDARD FLANGE
It’s important to get the correct flange. Measure your flange using the guide below and review the measurements of flanges available from The Metal Company to see what corresponds exactly. One of the most important measurements is the Pitch Circle Diameter (PCD) which can determine if the flange bolt holes will match each other.
A: INSIDE DIAMETER
Measure across the centre from one side of the internal hole to the opposite side of the hole.
B: OUTSIDE DIAMETER
Measure across the centre from the external edge to the other external edge of the flange.
C: PITCH CIRCLE DIAMETER (PCD)
Measure from centre of the bolt hole to centre of the opposite bolt hole. This can also be measured from the external edge of the bolt hole to the internal edge of the opposite bolt hole.
D: HOLE SIZE
Measure from edge to edge, across the centre of a bolt hole. This will generally be slightly larger than the metric bolt being used.
E: THICKNESS
Measure from one edge of the flat face to the other.
Forged machined flanges are precision designed and used with various types of industrial manifolds and valves. These flanges are used for handling gas, liquid, and vapor in a wide array of hydraulic and vacuum systems. At Jinan Aowei Flange, high-quality forged flanges are manufactured to specifications provided by our customers.
We can provide custom machined flanges in the following specifications:
Length | .010 to 24” |
Diameter | .010 to 3” |
Thread Type | UNC, UNF, Acme, Machine |
Tolerances | +/-.001” |
Machine Surface Finish | Up to a 16 micro |
Some industries and applications utilizing forged flanges are mentioned below:
Oil and gas industry
Medical and pharmaceutical
Aerospace industry
Petroleum industry
Power generation
Machine tool
Vessel and heat exchanger manufacturer
Marine industry
Medical units
Transportation
MEASURING A STANDARD FLANGE
It’s important to get the correct flange. Measure your flange using the guide below and review the measurements of flanges available from The Metal Company to see what corresponds exactly. One of the most important measurements is the Pitch Circle Diameter (PCD) which can determine if the flange bolt holes will match each other.
A: INSIDE DIAMETER
Measure across the centre from one side of the internal hole to the opposite side of the hole.
B: OUTSIDE DIAMETER
Measure across the centre from the external edge to the other external edge of the flange.
C: PITCH CIRCLE DIAMETER (PCD)
Measure from centre of the bolt hole to centre of the opposite bolt hole. This can also be measured from the external edge of the bolt hole to the internal edge of the opposite bolt hole.
D: HOLE SIZE
Measure from edge to edge, across the centre of a bolt hole. This will generally be slightly larger than the metric bolt being used.
E: THICKNESS
Measure from one edge of the flat face to the other.