Welding neck flange is not easy to deformation, good sealing, wide application, suitable for pressure or temperature fluctuations of pipeline or high temperature, high pressure and low temperature pipes, advantage is that the price is cheaper, nominal pressure no more than 2.5 MPa;Also used to transport is expensive, inflammable, explosive medium pipeline, nominal pressure around PN16MPa.
Scooter in forging, casting, flat welding flange connection Single-sided, double-sided nut connection.Product features Beautiful shape, the surface level off is smooth, acid and alkali resistance, corrosion resistance, simple sense strong performance.Production process and the cutting oxygen furnace, forging press cutting forming or finished product as a whole.High precision CNC lathe turning processing way, nc rocker drill hole.Product parameters: (1) the flange diameter 75 mm to 2190 mm (2) the central circle diameter of bolt holes: 50 mm - 2130 mm (3) the bolt hole diameter: 11 mm to 30 mm (4) the number of bolt hole: 4-48 (5) thread: M10 - M27 flange thickness (6) : 12 mm - 58 mm (7) : pipe diameter (17. 2-2032 - mm) B (14-2020 - mm) flange diameter (8) : A (18-2036 - mm) B (15-2024 - mm) (9) of the flange theory weight: 0.36 kg - 234.6 kg (DN1800)
Cangzhou Hangsheng Flange&Pipeline Equipment Co.,Ltd. specializing in the production of forgings butt welding flange.Butt welding flange is not easy to deformation, good sealing, wide application, suitable for pressure or temperature fluctuations of pipeline or high temperature, high pressure and low temperature pipes, advantage is that the price is cheaper, nominal pressure no more than 2.5 MPa;Also used to transport is expensive, inflammable, explosive medium pipeline, nominal pressure around PN16MPa.

Production standard: commonly used chemical standard HG/T20592-2009, HG/T20615-2009, the national standard GB/T9115.1-2000, GB/T9115.2-2000, GB/T9115.3-2000, GB/T9115.4 standard JB/T86.2-94-2000, the mechanical, Marine standard of CB/T47-1999. DIN, ASME,ANSI,EN,UNI,BS,etc. We poruce all kinds of carbon steel weldnect flanges.

Cangzhou Hangsheng Flange&Pipeline equipment Co.,Ltd ,was founded in 1989. We are one

of the earlier company which produce flanges and pipe fittings.The factory was located in “ the 

capital of elbows & pipe fittings”  ---------Mengcun Hui Autonomous County, Cangzhou city, 

Hebei province,China.Acomprehensive company specializing in the series including developing,

research ,produce, processing and sale steel pipe fittings.

Our factory is north of Beijing and Tianjin city, south of Shandong province, west of  Beijing--Shanghai Expressway, east of Beijing -----Shantou Expressway and Huanghua harbor, a very

convenient location for transportation.  All aspects of development of our Group depends on 

advanced technology, and talented employees.

On the bases of advanced technology & equipment for production, testing&detection system.

We are able to produce all kinds of carbon steel,stainless steel and alloy steel pipe fittings.Such 

as: flanges, elbows, reducers, tees, and so on. Our generally standards are as follows: Chinese 

standards,German standards,American standards,Japanese standards,British standards,Russion

standards,  European standards, Italian standards, ISO standards, and so on. We can produce

also as per the customers’ requests and drawings.

Our products are widely used in petroleum,  chemical,  metallurgy, shipbuilding, paper,  power,

aerospace,  pharmaceutical, water, treatment, chemical fiber,urban construction and machinery 

and equipment industries.Products can meet the needs completely for pipe connection.The aims

of production line is meeting the high quality .  

We’ve got ISO9001 certificate,and own the rights of import and export.Cangzhou Hangsheng 

is a unit of pressure piping components manufacturing permission.Also is a member of --------

petrochemical companies,  power companies’ supplier unit from internet. We are scientific and

technological and trustworthy at the level to provincial enterprises.Our products were sold to

China ,South Korea,Russia,the Middle East,Southeast Asia,South AmericaWesternEurope and

other countries and regions, totally more than 40 countries. And got highly praise and very good

reputations.


All our staffs adhering to"quality first and credit first", following the steps of times and devoting 

ourselves to founding the best enterprise in steel fittings industry. A large number of inventory,

strictly inspection of out-put and in-put, and perfect delivery system made us service better to 

meeting the needs of all the customers.Our company keep the policies:

create boutique, fulfillment promise,  continuous improvement,  pursue the perfection quality . 

And the marketing idea:loyalty marketing,create mutual brilliant.Getting dependence and praises 

of both domestic and foreign customers. All the goods will be delivered timely. We will always 

adhere to: strive for survival on the basis of quality,aims at good faith.


Welcome friends all over the world coming and visiting our factory for further discussion!