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China, Chinese Factory Price Pipe Fittings of Heavy Duty Flange1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Pipe FittingsOther Pipe FittingsFlangeHeavy Duty Flange
Wuhan Hwanai Hardware Co., Ltd
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Product DescriptionSpecificationHEAVY DUTY FLANGEA Heavy-Duty Flange, also commonly referred to as a Heavy Series (Heavyweight) Flange or Class 150/300/600 etc., Flange, is a type of pipe flange designed and manufactured to withstand significantly higher mechanical loads, pressure ratings, and more demanding service conditions than a standard ("light-duty" or "standard weight") flange.Its defining characteristic is its increased physical mass and dimensions—particularly a thicker outer rim, a thicker wall section (web), and larger, stronger bolt holes. This robust construction provides superior strength and rigidity, making it the preferred choice for critical, high-stress applications across various industries. Key Features & Design Attributes:Increased Thickness and Mass: The most visible difference is its greater thickness and weight compared to a standard flange of the same nominal pipe size (NPS) and pressure class. This added material is strategically placed to resist bending, warping, and leakage under high loads.Higher Pressure Class: Heavy-duty flanges are manufactured to meet specific pressure class ratings defined by standards like ASME B16.5 The higher the class number, the greater the pressure and temperature capability the flange is designed for.Robust Bolt Circle and Holes: Features a larger bolt circle diameter and larger, more numerous bolt holes to accommodate higher-strength, larger-diameter bolts. This allows for greater bolt preload, which is essential for maintaining a tight seal under high internal pressure and external bending moments.Benefits and Advantages:Superior Strength and Durability: Withstands high internal pressure, extreme temperatures, water hammer, vibration, and external forces (e.g., pipe weight, valve operation, seismic activity) without failure.Enhanced Sealing Reliability: The increased rigidity and stronger bolting prevent flange rotation and gasket compression loss, ensuring a leak-tight seal over long service periods, even under cyclic loading.Versatility in Demanding Services: Suitable for a wide range of critical applications, from high-pressure steam to corrosive chemicals and cryogenic fluids.Standardization: Manufactured to international standards (ASME, ANSI, DIN, EN, JIS), ensuring compatibility with other piping components and global acceptance.Packing & DeliveryWe adopt standard and strong export package for each batch of goods Company ProfileWuhan Hwanai Metal Casting Co., LtdWuhan Hwanai Metal Casting Co., Ltd. specializes in the production and export of power line hardware ,Pipe Fittings, Concrete Pump Pipe , Valves with over 20 years of experience in the industry. Equipped with modern production facilities and advanced manufacturing techniques, our factory has a skilled management team and over 600 skillful workers. From raw material procurement to production processing and final inspection, every step strictly adheres to international quality standards and industry regulations, ensuring high product quality and reliable performance.We offer a diverse product line in order to meet the various demands of global clients. Our power line hardware is renowned for its excellent quality and cost-effective, getting widespread acclaim and trust in both domestic and international markets. Our products not only dominate a significant share of the Chinese market but are also expanding into overseas markets, establishing a strong brand reputation.We prioritize technological innovation and R&D, continuously adopting new technologies and advanced processes to enhance product performance and introduce market-driven solutions. Additionally, we focus on brand building and global marketing, actively participating in international trade shows, industry forums, and other events to strengthen collaboration with our global partners.Moving forward, we will continue leveraging our industrial strengths to enhance core competitive ability, expand into international markets, and work hand-in-hand with global customers to create a brighter future together.FAQQ: Are you a factory or trade company? A: We are a group company with four factories and one exoprt company ,over 500 workers. Q: .Where is your factory? A: Shangxi Province Q: What is your main products? A: Electric power fittings , concrete pump twin pipe , Valves and Pipe Fittings. Q:How do you manage the product quality? A: Inspect material firstly, QC under production, finished product inspection Q: How can I get sample for approval? A: We can deliver sample by express. Sample is free, but the air freight is for customer's account. Q:Do you accept OEM order ?A:Yes, we do. we can design and open mould to produce new products according to customer's requirement. Q: Why shall you choose our company to cooperate? A:Our biggest customer is China State Grid, skillful workers and 20 year's production experience to gurantee stable quality products. Professional export sales team to supply effective communication and service.
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