Reducing Flanges

Reducing flanges are a specialty flange that are most often used on projects that require the fitting together of different sized pipes.

Reducing flange

A reducing flange consists of a flange with one specified diameter having a bore of a different and smaller, diameter. Except for the bore and hub dimensions, the flange will have dimensions of the larger pipe size.

Reducer flange draws :

There are several types of reducing flanges including weld-neck reducing flanges, slip-on reducing flanges and threaded reducing flanges.

Reducing Flange can be fabricated using a reducing spool with concentric or eccentric reducer & desired flange at each end OR it could be a single flange with internal reduced bore to connect different sized fittings on either sides.

How to connect reducing flange?

Reducing slip-on flange

reducing slip-on flange

Reducing weld neck flange

reducing weld neck flange

Weld neck flange and reducing slip-on flange

weld neck flange and reducing slip-on flange

Designed for use in changing diameters in a piping system. A reducing flange consists of a flange with one specified diameter having a bore of a different and smaller, diameter

Except for the bore and hub dimensions, the flange will have dimensions of the larger pipe size.

Type of Reducing flanges

Sunny Steel can design and produce the reducing flange as per request , we can supply the reducing flange in various types including weld-neck reducing flange, slip on reducing flange and threaded reducing flange etc.

Except for the bore and hub dimensions, the flange will have dimensions of the larger pipe size. Reducing flanges are normally provided as one of three types:

The number one feature of reducing flanges, is that they are a highly economical way to make transitions between pipes of different sizes.
Uses of Reducing Flanges:
Standards, Dimensions & Weight
What is a Reducing Flange?

Reducing flanges are designed for when there is a change in the pipe size. The predominate flange (dimensions) matching the larger pipe size (NPT) but having a smaller bore matching the smaller pipe size (NPT). These flanges normally come in blind, slip-on, threaded and weld neck flanges.

They are available in all pressure classes and provide a good alternative to connecting two different sizes of pipe. This type of flange should not be used if an abrupt transition would create unwanted turbulence, such as at a pump.

Material:
Uses and advantages of Reducing Flanges:

Packing: plywood case and plywood pallet

Specialty flange

Except the most used standard flanges, there are still a number of specialty flange such as:

Spectacle Blind Flange
Spectacle Blind Flange
Spectacle Blind Flange consist of a connected ring and a plate.

Screwed Flanges
This flange is referred to as either threaded or screwed.

Weldoflange, Nipoflange
Anchor flange
An anchor flange is a device installed on a pipeline to combat axial movement.

Orifice Weld Neck Flanges
Orifice Flanges
Orifice Flanges generally come with either Raised Faces or RTJ (Ring Type Joint) facings.
Long Weld Neck Flange
Reducing Flange
Reducing Flange is used on projects that require the fitting together of different sized pipes.
Expander Flange
Expander Flange
Expander Flange is using a separate reducer-welding neck flange combination.
Anchor flange
Weldoflange / Nipoflange
Weldoflange / Nipoflange is a combination of a Welding Neck flange and a supposedly Weldolet or Nipolet.
Large Diameter Flanges
Large Diameter Flanges
The large diameter flange is used to connect or to block off two very large diameters sized pipes.
NW Long Weld Neck Flanges
NW Long Weld Neck Flanges
Long weld neck flange is also call integral flange, it means a welding neck flange has a very long neck.


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