Wenzhou Longtian Flange Pipe Fittings Co., Ltd.
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American Standard Series
Japanese standard series
German standard series
Ministry of Chemical Industry Series
Pressure vessel flange
Pipe fitting series
ABOUT
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The company focuses on the production and research and development of stainless steel flange products. It can produce flange products with special materials of high temperature resistant alloy steel and low temperature alloy steel. The high temperature resistant material products can work for a long time at a high temperature above 600 ℃ and a certain stress. Low-temperature material products can be used under extreme conditions below -196℃; representative products are PL (plate flat welding flange), SO (neck flat welding flange), WN (neck butt welding flange), IF (Integral flange), SW (socket welding flange), BL (flange cover); products are widely used in aviation, aerospace, petroleum, chemical, ship and other industries, and the production standards are strictly in accordance with GB (national standard), AISI ( American Iron and Steel Institute), ASTM (American Society for Testing and Materials), API (American Petroleum Institute), JIS (Japanese Industrial Standards Institute), BS (British Standard) production and inspection to control and ensure product quality.
American Standard Series Japanese standard series German standard series Ministry of Chemical Industry Standards Pressure vessel flange Other flanges Butt welding pipe fittings |
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| ASME B16.5（SO）Flat welding flange with neck |
| Nominal diameter： NPS1/2"~24" |
| Nominal pressure： Class150~Class1500 |
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| ASME/ANSI B16.5(WN) butt welding flange with neck |
| Nominal diameter： NPS1/2"~24" |
| Nominal pressure： Class150~Class1500 |
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| DIN2630 ~ 2637 (WN) butt welding flange with neck |
| Nominal diameter： DN10~DN2000 |
| Nominal pressure： PN10~PN160 |
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| DIN2574 ~ 2579 (PL) plate flat welding flange |
| Nominal diameter： DN10~DN2000 |
| Nominal pressure： PN2.5~PN40 |
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| NB/T47023-2012 (Long neck butt welding flange) |
| Nominal diameter： DN300~DN2600 |
| Nominal pressure： PN0.6~PN6.4 |
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| NB/T47023-2012 (Long neck butt welding flange) |
| Nominal diameter： DN300~DN2600 |
| Nominal pressure： PN0.6~PN6.4 |
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PRODUCTS
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QUALITY ASSURANCE
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Reassuring customers, satisfying customers
The company pursues manufacturing accuracy and refinement,
and constantly improves its own lean manufacturing methods.
Including every component, carefully built in strict accordance with standards, Ensure the high quality of products.
As the flange is cast, the liquid metal uses a filling mold while rotating and solidifies. Flange casting has the following characteristics: Liquid metal can form a freely selected hollow cylindrical
As we all know, a flange is a component that connects between the shaft and the shaft, and is used to connect the two ends of the pipeline. Therefore, the method of connecting the pipeline with a flan
Stainless steel flange (flange is also called flange or flange. It is the part that connects the pipe to the pipe. Connected to the pipe end.
Specification: 1/2 "～80" (DN10-DN5000) Pressure rating: 0.25Mpa ～250Mpa (150Lb ～2500Lb) Commonly used standard: National standard: GB9112-88 (GB9113•1-88～GB9123•36-88)
NEWS
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CONTACT
MP：18605876287
E-Mail：690822354@qq.com
ADD：High-tech Industrial Park, Longwan District, Wenzhou City, Zhejiang Province
WEB：http://www.ltflgj.com
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