We produce high-quality en 1092 2, Steel Plate Flange, welding neck flange en 1092 1 type 11 with advanced equipment and scientific management, win the favor of customers with high-quality products and good service, and win our glory with the favor of customers. Since its establishment, our company has always adhered to the business philosophy that ideas determine the way out, and character casts products, making us deeply trusted by customers. We continue to cover the whole country and face the world. We take talents as the foundation and innovation as the guide and unswervingly make 4 weld flange industry bigger, stronger, and longer. Looking to the future, innovation is a guide to push us in the direction of progress letting us follow the right direction and continue to meet new challenges. Continuous learning, experimentation, and value creation are our corporate values, and willingness to share and proactively collaborate to achieve a win-win situation is our core competence! 'Change for the better!' is our slogan, which means 'A better world is before us, so let's enjoy it!' Change for the better! Driven by technological innovation and capital operation, we hope to make our business scale at the forefront of the industry through unremitting efforts and continuous changes. Customer satisfaction is our tenet. By formulating corporate talent development plans, we plan to introduce needed talents, actively cultivate, create conditions, and set up a stage to fully display their personal talents.
  • EN Slip-on Flange
    Standard: EN1092-1 Type 12
    Material: carbon steel, alloy steel, stainless steel
    Connection type: butt welding, bolted connection
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  • Steel Slip On Flange
    Company: HAIHAO
    Material: Forged ASTM A105
    Specification: DN25, Class 150, RF facing
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  • ASME Blind Flange
    Standard: ASME B16.5, material: carbon steel, stainless steel, alloy steel, connection type: bolted connection.
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  • Large Diameter Flange
    Standard: ASME B16.47, material: carbon steel, stainless steel, alloy steel, connection type: buttwelding.
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  • Threaded Pipe Flange
    Standard: ASME B16.5; material: carbon steel, 316L stainless steel, chromium molybdenum steel; connection type: threaded connection.
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  • Steel Line Blanks
    We stick to ASME B16.48 from start to finish.
    Available in Figure‑8, paddle blank, and paddle spacer styles.
    Sizes run from 1/2” to 24”.
    We handle pressures from CL150 up to...
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  • Stainless Steel Forged Flange
    Our stainless steel flanges are produced in line with widely recognized international pipeline standards, namely ASME B16.5, ASME B16.47, EN1092-1, BS4504 and SANS1123. The product size covers...
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  • Steel Plate Flange
    Execution Standard:EN1092-1 type01
    Type/Model:Forged,Plate Flange
    Specification:DN15-DN600
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  • EN Weld Neck Flange
    Forged to EN 1092-1 Type 11 standard
    Butt-welding connection for high-integrity piping systems
    DN10-DN4000, PN2.5-PN400 pressure ratings
    Materials: P250GH, 13CrMo4-5,...
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  • EN Blind Flange
    Product: EN Blind Flange
    Standard: EN 1092-1
    Pressure Rating: PN6 (data sheet reference)
    Material: Forged steel (carbon, alloy, stainless grades)
    Connection Type: Bolted
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  • BS Plate Flange
    Execution Standard: BS4504
    Size Range: DN10 – DN4000
    Pressure Rating: PN2.5 – PN250
    Material Options: Carbon Steel (Q235, S235JR, S355JR), Stainless Steel (304, 316L), and...
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  • BS Weld Neck Flange
    Execution Standard: BS 4504
    Type / Model: Forged Weld Neck Flange
    Connection Type: Butt welding with bolted flange joint
    Available Materials: Q235, S235JR, S355JR, S355J0,...
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Brian Watterson star star star star star
You have been very famous in the industry and you have your own way of doing everything.
Dorothy Watson star star star star star
I have received my products and they are very detailed.
Samuel Ortiz star star star star star
The product is very good and the service attitude is also very good!
Tamara Gamez star star star star star
The product has been used for a few days and feels very good, and the work is very regular each time, which is much more efficient than manual work!
Tamara Angel star star star star star
The product quality is very good and the transportation speed is very fast!
Randall Gerlach star star star star star
We got to know this supplier through a friend's recommendation and heard that they are very successful in this field, so we contacted them immediately, and their products did not disappoint us.
Our company has gathered a group of outstanding welding neck flange asme b16 5 class 150, 1 2 ss tee, EN Slip on Flange industry management and R&D talents, and established a R&D team with complete technical expertise and strong comprehensive strength. As one of the most professional 4 weld flange manufacturers and suppliers in China, we are able to meet the needs of the majority of our customers. Please rest assured to wholesale high quality 4 weld flange made in China here from our factory. For price consultation, contact us.
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