Reducing Flange

Shanxi Sinomach Co., Ltd.：Your Leading Reducing Flange Supplier

Shanxi Sinomach Co., Ltd. is an industrial international supplier focusing on the design, production and sales of flanges, valves and other pipe fittings.

Since its establishment, the company has always adhered to the business principles of customer-oriented and honest business, with the purpose of meeting customer needs, and providing customers with all-round solutions and high-quality products. This makes our company a long-term partner trusted by many international customers.

ANSI Reducing Flange
$ 140.00

A reducing flange is used in place of a standard flange to allow for a change in pipe size. This

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Why choose us?

Our Factory

Factory covers an area of 24,500 m2 and has many professional and technical personnel, annual production capacity more than 20,000 tons/year

Our Service

Whether it is pre-sales consultation, sales, or after-sales, we will answer customers' questions 24 hours a day and provide fast and effective solutions until customers are satisfied.

Our Equipment

Our there are 7 sets of forging equipment and 10 sets of heating equipment,the product quality is safe and reliable, reaching the international standard.

Product Application

Our wind power tower flanges, pressure vessel flanges, and petrochemical flanges are used in water conservancy, oil, natural gas and other pipelines.

Types of Reducing Flanges

Weld-neck Reducing Flanges
Weld-neck reducing flanges have a long tapered hub that is welded to a pipe, creating a strong, leak-proof connection. They are ideal for high-pressure applications where strength is crucial.

Slip-on Reducing Flanges
Slip-on reducing flanges slip over the end of the pipe and are welded both inside and outside. This provides sufficient strength and prevents leakage, making them easier to align and install than weld-neck flanges. They are suitable for lower-pressure applications.

Threaded reducing flanges

Threaded reducing flanges have internal threads that match the external threads on the pipe, allowing for a non-welded connection. They are useful in high-pressure, low-temperature environments or systems that need frequent disassembly.

Type 1 reducing flanges

Type 1 reducing flanges have a significant bore size reduction, which requires staggered bolt holes to prevent interference. They are used when a large diameter reduction is needed without compromising connection integrity.

Type 2 reducing flanges

Type 2 reducing flanges have a moderate bore size reduction. Their design ensures the smaller bore flange does not interfere with the larger flange’s nuts, and they often have threaded bolt holes to save space.

Type 3 reducing flanges

Type 3 reducing flanges have through holes for large bore bolts, making them ideal for connecting pipes with significantly different diameters. This ensures a secure fit and maintains system integrity.

Applications of Reducing Flanges

Oil and gas pipelines
One of the most common applications of reducing flanges is in oil and gas pipelines. These pipelines typically span thousands of miles and connect oil and gas fields to refineries and distribution centres. They transport millions of barrels of crude oil and natural gas every day.they also play a crucial role in connecting pipes of different sizes and materials, allowing for the efficient and safe transportation of these vital resources.

Industrial plants
Industrial plants use piping systems to transport various gases and liquids, including chemicals, fuels, and water. Reducing flanges come in handy when connecting pipes of different diameters or materials. They are also used to join pipes that have been cut to size, as well as to attach valves, pumps, and other equipment to the pipeline.

Commercial buildings
Commercial buildings, such as hospitals, universities, and shopping centres, also rely on piping systems for various functions. Reducing flanges connect pipes of different diameters. They are also used in plumbing systems to connect different types of pipes. In addition, reducing flanges provide a tight seal, ensuring no leaks or disruptions in service.

Power plants
These facilities generate electricity by converting energy from fuels, such as coal, natural gas, or nuclear sources. Piping systems transport the fuels, as well as water and steam, throughout the facility. These flanges connect pipes of different sizes, materials, valves, and other equipment to the pipeline.

Water treatment plants
Water treatment plants are essential for providing communities with clean and safe drinking water. These facilities use piping systems to transport water from the source to the treatment plant and the distribution system. These flanges are commonly used in these applications to connect pipes of different diameters and connect to valves and other equipment.

Product Parameters

Standard	Nominal Diameter(mm)	Pressure Class (LB/MPa)	Material
ASME B16.5,ANSI B16.5,ASME B16.47	DN15-DN3000	300,400,600,900,1500,2500	Carbon steel Stainless steel
DIN	DN15-DN250	PN10, PN16, PN25, etc.	Carbon steel Stainless steel
GB/T 9112~9124-2010	DN15-DN3000	PN1.0, PN1.6, PN2.0, PN5.0, PN10.0, PN15.0, PN25.0, PN42	Carbon steel Stainless steel
Remarks: 1. For the details of this type of flange that you need, you can contact us at any time to provide you the better solution; 2. We have the ability to produce non-standard flanges according to the drawings provided by customers, and can also provide drawings and calculations of flanges according to the design parameters of the flanges.

Package&Transport

We will implement the packaging materials and methods of the product in accordance with the terms of the contract signed with the customer, and choose the transportation method approved by the customer (such as sea freight, sea freight, etc.) according to the actual situation to ensure that the product reaches the customer safely and quickly.

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Other Services

Payment terms

30% deposit in advance, 70% balance before shipment.

Min.order

1 pkg.

FAQ

Q: What is a reducing flange?

A: A reducing flange is a type of flange that has different inlet and outlet diameters. It is used to connect pipes of different sizes in a piping system, allowing for a transition between two different pipe diameters.

Q: How are reducing flanges typically made?

A: They are usually made by forging or casting. Forging provides better mechanical properties for high - pressure applications. Casting is more suitable for complex shapes and large - scale production. Materials like carbon steel, stainless steel, and alloy steel are commonly used.

Q: How do you select the right reducing flange for a piping system?

A: Consider the pipe diameters it will connect, the pressure rating of the system, the material compatibility with the fluid being transported, and the temperature of the fluid. Also, ensure it meets the relevant industry standards.

Q: Are reducing flanges available in different pressure ratings?

A: Yes. They are available in various pressure ratings, from low - pressure ratings suitable for non - critical water systems to high - pressure ratings for applications in oil and gas pipelines.

Q: Can reducing flanges be used with different types of pipe materials?

A: Generally, yes. But it's important to ensure that the flange material is compatible with the pipe materials in terms of corrosion resistance and mechanical strength. For example, a stainless - steel reducing flange can be used with stainless - steel pipes, but proper precautions need to be taken when connecting to other materials like copper or plastic.

Q: How are reducing flanges sealed?

A: Gaskets are typically used between the flange faces to create a seal. The type of gasket depends on the fluid, pressure, and temperature. For example, a rubber gasket may be used for low - pressure water systems, while a metal - reinforced gasket may be required for high - pressure and high - temperature applications.

As one of the leading reducing flange manufacturers and suppliers in China, we warmly welcome you to buy high-grade reducing flange for sale here from our factory. All our are with high quality and competitive price. For more information, contact us now.

Reducing Flange