China LWN Flange Manufacturer, Supplier, Factory

Our growth depends within the innovative equipment, fantastic talents and repeatedly strengthened technology forces for LWN Flange, Our experienced specialized workforce will probably be wholeheartedly at your provider. We sincerely welcome you to check out our web-site and organization and mail us your inquiry.
LWN Flange, Customer's satisfaction is always our quest, creating value for customers is always our duty, a long term mutual-beneficial business relationship is what we're doing for. We have been an absolutely reliable partner for you personally in China. Of course, other services, like consulting, can be offered too.

Hot Products

RTJ Male Figure-8 Blank

Find a huge selection of rtj male figure-8 blank from China at SN Valve. RTJ Male Figure-8 Blank is a piping accessory with a special shape and structure, which resembles the cross-section of the figure ‘8’ and has a convex design of the ring connection surface. The blind consists of two flat plates parallel to each other and an intermediate section connecting them to form an ‘8’. The convex design is used to mate with the ring joint flange to achieve a tight seal.

SIZE:

DN10(3/8")	DN15(1/2")	DN20(3/4")	DN25(1")	DN40(1-1/2")
DN50(2")	DN80(3")	DN100(4")	DN125(5")	DN150(6")
DN200(8")	DN250(10")	DN300(12")	DN350(14")	DN400(16")
DN450(18")	DN500(20")	DN550(22")	DN600(24")

Customized Size Consult Us

Socket Welded Flange

As the professional manufacturer, SN Valve would like to provide you high quality socket welded flange. Socket weld flange is a flange in which the end of the pipe is inserted into the step of the flange ring and welded at the end and outside of the pipe. It usually consists of flange body, bolt holes, sealing surface and other parts, and its structural form has two kinds of necked and non-necked. Necked socket weld flanges have good rigidity, small welding deformation and better sealing, so they are more common in practical applications.

SIZE:

DN10(3/8")	DN15(1/2")	DN20(3/4")	DN25(1")	DN40(1-1/2")
DN50(2")	DN80(3")	DN100(4")	DN125(5")	DN150(6")
DN200(8")	DN250(10")	DN300(12")	DN350(14")	DN400(16")
DN450(18")	DN500(20")	DN550(22")	DN600(24")

Customized Size Consult Us

Slip-On Flange

As a professional manufacturer, SN Valve is willing to provide you with the best slip-on flanges. Slip-on flanges are a special type of flange made of a circular metal plate with one or more bolt holes on it. This type of flange is designed to easily slide and fix pipes or fittings together, allowing two or more parts to be connected. They are relatively simple in construction, usually matching the outer surface of the pipe, and can be welded directly to the pipe or secured to it by fasteners.

SIZE:

DN10(3/8")	DN15(1/2")	DN20(3/4")	DN25(1")	DN40(1-1/2")
DN50(2")	DN80(3")	DN100(4")	DN125(5")	DN150(6")
DN200(8")	DN250(10")	DN300(12")	DN350(14")	DN400(16")
DN450(18")	DN500(20")	DN550(22")	DN600(24")

Customized Size Consult Us

Blind Flange

As the professional manufacturer, we would like to provide you shuangneng Blind Flange.And we will offer you the best after-sale service and timely delivery.A blind flange is a type of flange without a hole in the center, which is designed to seal off the end of a pipeline or used to remove debris from a pipeline during maintenance. The Flange usually made of high quality steel, such as carbon steel, alloy steel or stainless steel, to meet the needs of different working environments.

SIZE:

DN10(3/8")	DN15(1/2")	DN20(3/4")	DN25(1")	DN40(1-1/2")
DN50(2")	DN80(3")	DN100(4")	DN125(5")	DN150(6")
DN200(8")	DN250(10")	DN300(12")	DN350(14")	DN400(16")
DN450(18")	DN500(20")	DN550(22")	DN600(24")

Customized Size Consult Us

Stainless Steel Pipe Caps

Stainless steel pipe caps are essential fittings designed to seal the ends of pipes, preventing leakage, contamination, and mechanical damage. Crafted from premium 304, 316, or 316L stainless steel, these caps deliver exceptional corrosion resistance, high-temperature tolerance (-196°C to 800°C), and pressure durability, making them ideal for demanding industries like oil and gas, chemical processing, pharmaceuticals, food production, and marine engineering.

SIZE:

DN10(3/8")	DN15(1/2")	DN20(3/4")	DN25(1")	DN40(1-1/2")
DN50(2")	DN80(3")	DN100(4")	DN125(5")	DN150(6")
DN200(8")	DN250(10")	DN300(12")	DN350(14")	DN400(16")
DN450(18")	DN500(20")	DN550(22")	DN600(24")

Customized Size Consult Us

Non Standard Flange

Non standard flanges are relative to standard flanges, which refer to those flanges that do not conform to the standard sizes, shapes or materials stipulated by the state or industry.
Non-standard: the size, shape or material of non-standard flanges usually do not conform to common national or industry standards.
Customization: due to the special nature of non-standard flanges, it usually needs to be customized and produced according to the specific needs of customers.

SIZE:

DN10(3/8")	DN15(1/2")	DN20(3/4")	DN25(1")	DN40(1-1/2")
DN50(2")	DN80(3")	DN100(4")	DN125(5")	DN150(6")
DN200(8")	DN250(10")	DN300(12")	DN350(14")	DN400(16")
DN450(18")	DN500(20")	DN550(22")	DN600(24")

Customized Size Consult Us

Related Blog
Reviews

2022.7.27 ShuangNeng in Shanxi Xi‘an Exhibition
On July 27, 2022, Wenzhou ShuangNeng Valve Co., Ltd. showcased special stainless steel flange pipe fittings at the Xi'an Exhibition, featuring materials like 304, 316L, duplex steel, and titanium alloys for industries such as oil, chemical, and shipbuilding.
Why is the Demand for Plate FLANGE Soaring in High-End Manufacturing?
In recent years, high-end manufacturing sectors—including aerospace, energy, and precision machinery—have seen a significant surge in demand for Plate FLANGE components. This trend is driven by the critical need for reliability, durability, and performance under extreme conditions.
The Dangers of Low-Quality Flanges: A Warning from Stainless Steel Flange Manufacturers
Wenzhou Shuangneng warns against low-quality flanges causing leaks, explosions, and costly downtime. As a certified stainless steel flange fittings manufacturer, we ensure ASME B16.5-compliant products with PMI testing, Ra≤3.2μm surfaces, and 25+ year lifespans.
Stainless steel pipe fittings production process 1: Hot rolling and cold drawing processes
The production process of stainless steel pipe fittings is complex and precise, and ensuring that each process meets high-quality standards is key. The following is the hot rolling and cold drawing production process of stainless steel pipe fittings.
The origin of ship flanges and ship flat welding flanges
The origin of the product name 'marine flange' is closely related to its intended use.
Threaded Pipe Flange Specificaitons
A threaded flange is a type of pipe flange with internal threads on its bore, allowing it to be screwed onto a pipe with corresponding external threads, eliminating the need for welding for connection.

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China LWN Flange Manufacturer, Supplier, Factory

Related Products

Hot Products

RTJ Male Figure-8 Blank

Socket Welded Flange

Slip-On Flange

Blind Flange

Stainless Steel Pipe Caps

Non Standard Flange

2022.7.27 ShuangNeng in Shanxi Xi‘an Exhibition

Why is the Demand for Plate FLANGE Soaring in High-End Manufacturing?

The Dangers of Low-Quality Flanges: A Warning from Stainless Steel Flange Manufacturers

Stainless steel pipe fittings production process 1: Hot rolling and cold drawing processes

The origin of ship flanges and ship flat welding flanges

Threaded Pipe Flange Specificaitons

Salome 2024-10-24 07:47:50

Lulu 2024-12-12 05:08:37

Lee 2025-02-22 16:43:24

Ina 2025-01-14 20:57:40

John 2025-02-28 10:08:51

Myra 2024-11-30 14:45:11

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