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—— —Excellent management team and professionals

Hebei Ming ao Pipe Fittings Manufacturing Co., Ltd.

Hebei Ming ao Pipe Fittings Manufacturing Co., Ltd. is a manufacturer specializing in various types of pipe metal fittings. The company has a group of outstanding pipe machinery professional and technical personnel and service teams. It uses advanced pipe fitting production equipment and adopts international advanced production technology and Domestic and foreign  pipe materials (stainless steel, carbon steel, low temperature steel, alloy steel, and special steel) are used to manufacture various pipe fittings. Ming ao’s main products: flanges, elbows, tees, crosses, reducers, pipe caps , Special-shaped flanges, socket pipe fittings, size heads, etc. All products are produced according to the American standard ASNE\ANSI, German DIN standard, domestic GB/T, SH, HG, JB, and other standards. Non-standard products can be processed and produced according to the technical drawings provided by the user. Products are widely used in the construction of petrochemical, petroleum and natural gas, liquefied petroleum gas, power plants, chemical plants, shipyards and other industries.

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A well-known brand

Hebei Ming ao Pipe Fittings Manufacturing Co., Ltd. is a professional manufacturer of various types of pipe metal fittings. The company has a group of outstanding pipe machinery professional and technical personnel and service team, and uses advanced pipe fitting production equipment.

Unique international gene

Using international advanced production technology and domestic and foreign pipe materials (stainless steel, carbon steel, low temperature steel, alloy steel, and special steel) to manufacture various pipe fittings, Mingao’s main products: flanges, elbows, tees, crosses , Reducing pipes, pipe caps, special-shaped flanges, socket pipe fittings, size heads, etc.

Outstanding innovation ability

Ming ao Pipe Fittings has a complete product quality management system. In the process of product design, material procurement, re-inspection, and product production, the management system documents are strictly implemented to ensure that the product quality fully meets the standards and specifications.

Learn about our products

The company develops the domestic and foreign markets based on the business philosophy of "survive by quality, develop by reputation"

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Shaped pipe fittings
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Screw washer
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Details 白箭头 黑箭头
Screw washer
Screw washer
Screw washer
Details 白箭头 黑箭头
Size head
Size head
Size head
Details 白箭头 黑箭头
Cap
Cap
Cap
Details 白箭头 黑箭头
Tee
Tee
Tee
Details 白箭头 黑箭头
Tee
Tee
Tee
Details 白箭头 黑箭头
Flange
Flange
Flange
Details 白箭头 黑箭头
Flange
Flange
Flange
Details 白箭头 黑箭头

Construction Cases

The company develops the domestic and foreign markets based on the business philosophy of "survive by quality, develop by reputation"

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News

The company develops the domestic and foreign markets based on the business philosophy of "survive by quality, develop by reputation"

28
02/2021

How to use the elbow

　 Analysis of the main reasons for the decline in the quality of the elbow and the method of attention: 　　1. In pure bending, the outer arm wall of the neutral layer of the tube is thinned by tensile stress &1 under the action of the external force M, and the inner side is under compressive stress. The combined forces N1 and N2 make the cross section of the tube change. Based on this factor, RX and SX are the main reasons that cause the quality of elbows to decrease. Therefore, in GBJ235-82, the RX value under various pressure levels and the amount of thinning on the outside are clearly specified, and the purpose is to control RX. And the value of SX, thus ensuring quality. 　　2. As mentioned in the previous article, when the pipe is bent, the outside of the material is stretched, and the position of the neutral axis under pressure on the inside is different from the bending method. In the top bending (compression bending) work, the neutral axis is about 1/from the outer wall. At 3 locations, the neutral axis is located 2/3 away from the outer wall when working in a rotary bending (return bending type). Therefore, for thin-walled pipes to be bent, it is beneficial to use the spin-bending method. 　　3. The precision of the bent tire is also one of the factors that affect the quality of the bent pipe. When we manufacture bent tires, in addition to the specification and size requirements to be controlled within a certain tolerance range, we also require users to choose the corresponding bent tires according to the bent pipe diameter during use.　 　 　　4. The bendability and surface corrosion of the pipe itself may also affect the quality of the elbow. During on-site construction, the operator also needs to understand the material, processing performance and surface corrosion of the pipeline to be processed.
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How to use the elbow
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27
02/2021

What details should be paid attention to when buying stainless steel elbows?

As a manufacturer specializing in the production of stainless steel elbows, you can produce conventional stainless steel elbows, or you can produce stainless steel elbows with different curvature radii according to the drawings provided by customers, so here we should remind customers to pay attention to some details when buying stainless steel elbows Questions, let’s introduce them in detail below:
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What details should be paid attention to when buying stainless steel elbows?
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05
11/2020

Research on stainless steel elbow

The requirements for stainless steel elbows are very high, and all of them are excellent in research. According to the current status of domestic argon flushing devices for stainless steel pipes, the operation is more convenient and argon saving for the welding quality of Ф60～Ф426mm pipes and elbows. Due to the characteristics of gas, argon filling devices in pipes and elbow welds have been developed. The practical application is excellent. It provides more advanced and effective construction tools for argon flushing in stainless steel pipes.
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Research on stainless steel elbow
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CONTACT

Address: No. 288, Provincial Road S283, Zhangguandian, Xindian Town, Mengcun Hui Autonomous County, Cangzhou City, Hebei Province

E-mail： ChMoMaKe@micmo.cn

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