| Customization: | Available |
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| Standard: | ANSI, DIN, GB, JIS |
| Type: | Welding Flange |
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A figure 8 blind is a simple valve that is placed in the line between two flanges and bolted in place. One side of Figure 8 blind flange is open, known as a spacer, while the other side is blanked or blinded with a spade.
Flat Face Machined to Center (used with raised face or flat face flanges)
Mill Finish (Not Machined)
Female or Male Ring Type Joint
Materials of Construction are Carbon Steel and Alloys
Special Dimensions Available upon request
24″ NPS and smaller made to ASME B16.48
Large Diameters > 24″ NPS to match ASME B16.47 Series (A) Flanges
Large Diameters > 24″ NPS to match ASME B16.47 Series (B) Flange
Standard: ASNI/ASTM B16.5 / 16.36/16.47A/16.47B B2220 - 2001, DIN2527/2636/2637/2638/2566/2576/2633/2635/2642/2653/2655.
Pressure Rate: 150LBS to 2500LBS / PN10 to PN400
Dimension: 1/2" to 48"
Material: Carbon steel, Alloy Steel, Stainless steel.
Sealing type: RF, FF, MFM, TG, RTJ
| Pressure rating: | class 150LBS,300LBS,400LBS,600LBS,900LBS,1500LBS,2500LBS |
| Dimensions: | ANSI B16.5, ANSI B16.47, MSS SP44, ANSI B16.36, ANSI B16.48, API 605, AWWA AND DRAWING |
| Material: | · CS Standard: ASTM / ASME A/SA 105 / 350 LF 2 · SS Standards: ASTM / ASME A/SA 182 Steel Grade: F 304, 304L, 304H, 309S, 309H, 310S, 310H, 316, 316TI, 316H, 316L, 316LN, 317, 317L, 321, 321H, 347, 347H, 904L. · AS Standard: ASTM / ASME A/SA 182 ASTM A182 F1, F11, F12, F22, F5, F9, F91. · Nickel Alloy Standard: ASTM / ASME SB 564 / 160 / 472 Grade: UNS 2200 (NICKEL 200), UNS 4400 (MONEL 400), UNS 8825 INCONEL (825), UNS 6600 (INCONEL 600), UNS 6601 (INCONEL 601), UNS 6625 (INCONEL 625), UNS 10276 (HASTELLOY C 276), UNS 2201 (NICKEL 201), (ALLOY 20 / 20 CB 3) |
1. What materials are available for your pipe fittings products?
Our pipe fittings products come in a rich variety of materials, covering stainless steel 304, 316, carbon steel, alloy steel, etc., which can meet the needs of different customers in terms of corrosion resistance, strength and other aspects. The types of pipe fittings are complete, including elbows (conventional angles such as 45 degrees and 90 degrees), tees (equal diameter, reducing), crosses, pipe caps, reducers (concentric, eccentric), etc., providing you with a one-stop solution for all kinds of pipe fitting requirements. The product size range is extensive. The outer diameter ranges from 1/2 inch to 48 inches, and the wall thickness, depending on the material and specific application scenarios, ranges from 1 mm to 30 mm. For detailed specifications, you can contact us at any time to obtain detailed information.
2. What are the quality standards for pipe fittings products?
We strictly adhere to internationally recognized quality standards in the production of pipe fittings products, such as ANSI B16.9 (American National Standards Institute Pipe Fittings Standard), ASME B16.5 (American Society of Mechanical Engineers Flange Standard), GB/T 12459 (Chinese National Standard for Pipe Fittings Dimensions), etc., ensuring precise control over every stage from the procurement of raw materials to the delivery of finished products. During the raw material inspection process, we utilize advanced spectrometers to conduct composition tests on each batch of steel, preventing substandard raw materials from entering the production line. In the production process, there are multiple rounds of process inspections, and high-precision measuring tools are used to monitor dimensional accuracy in real-time. Before the finished products leave the factory, there are also 100% pressure tests and visual inspections to comprehensively guarantee the quality.
3. Have the products passed relevant international certifications, such as ISO 9001?
Yes, our company has fully passed the ISO 9001 Quality Management System Certification. Moreover, some high-end pipe fittings products have additionally obtained certifications like PED (Pressure Equipment Directive of the European Union) and API (American Petroleum Institute). These certifications indicate that our products possess outstanding quality competitiveness not only in the domestic market but also in the international market. The relevant certification certificates can be queried and downloaded on our official website, and you can also request paper copies to be included with the goods for inspection when placing an order.
4. What industries and fields are these pipe fittings products applicable to?
Pipe fittings products have an extremely wide range of application fields, almost covering the entire industrial sector. In the petrochemical industry, they are used to transport various corrosive, high-temperature and high-pressure chemical raw materials. In the power industry, they are employed to build the water and steam circulation pipeline systems for equipment such as boilers and steam turbines. In the field of building water supply and drainage, they ensure the smooth flow of water for residents' use and drainage. In the natural gas transmission projects, they connect different sections of the transmission pipelines to ensure the safe supply of gas. Different materials and specifications of pipe fittings play their respective roles according to specific scenarios. For example, carbon steel pipe fittings are commonly used in general industrial pressure pipelines, while stainless steel pipe fittings shine in industries with high hygiene requirements such as food and pharmaceutical industries.
5. Compared with the pipe fittings products of other brands, what are the advantages of your products?
Compared with other brands, our pipe fittings products have significant advantages. Firstly, in terms of quality, relying on a strict quality control system and advanced testing equipment, we ensure that our products are of excellent quality. Secondly, in terms of price, by optimizing the production process and making large-scale purchases of raw materials, we reduce costs and provide more cost-effective products. Thirdly, our customized services are flexible and diverse, enabling us to quickly respond to special customer requirements. Whether it is a complex design change or an emergency order, we can handle it efficiently. Finally, our after-sales service is considerate and thorough. The one-year warranty and fast return and exchange policy ensure that you have no worries.
6. What's the approximate delivery time?
The transportation mode can be flexibly selected according to customers' needs. We cooperate with several well-known logistics companies, covering sea freight, air freight, land transportation and so on. Sea freight has a relatively low cost and is suitable for transporting large quantities of goods. The transportation time generally ranges from 15 to 45 days depending on the destination. Air freight is the fastest, usually taking 3 to 7 days to arrive, but it is costly and is applicable to urgent small-batch and high-value goods. Land transportation is often used for domestic short-distance transportation or transportation to neighboring countries, which is relatively convenient. The transportation cost is calculated comprehensively based on the weight, volume, transportation distance and transportation mode of the goods. When you place an order, we will provide a detailed freight estimate to ensure that you clearly understand the cost. In terms of delivery time, for in-stock products, they will be shipped within 3 days after payment. For non-in-stock conventional products, they will generally be shipped within 7 to 15 days depending on the order quantity. For customized products, the delivery time will be arranged according to the production period in the customization process.
Established in 1997, HD STEEL GROUP is strategically situated in Yanshan industrial zone, Cangzhou City, Hebei Province, renowned as the'Pipe FittingCapital'.
Our group is engaged in a diverse range of activities, with a specialization in the manufacturing of pipe fittings, flanges, anti-corrosion line pipes, steel inventory management, as well as domestic and international sales operations. We are dedicated to offering comprehensive one-stop solutions for steel pipe products to a global clientele. Boasting state-of-the-art technology in the R&D and production of steel pipe fittings and flanges, which is at the forefront both domestically and internationally, we are also equipped with advanced and comprehensive testing facilities. Our on-site management is stringently implemented in strict compliance with the international standard quality management system(API, ASME, ANSI, EN, DIN, JIS, GOST, GB/T, ISO, etc. Our products have successfully passed the inspections and obtained approvals from esteemed international authoritative third-party organizations, namely SGS, BV, MOODY, and TUBOSCOPE.
Our company steadfastly adheres to the principles of 'Customer First', 'Quality First', and 'Credibility First'. Leveraging our robust economic strength, advanced management expertise, and premium service quality, we are eager to forge a long-term and mutually beneficial cooperative partnership with you, aiming for shared prosperity and success.
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