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Basic Info.
Product Description
Huazhan Steel Blind Flange
A blind flange is a solid steel piece with no bore (interior diameter) and primarily designed to cap off a line. As the majority of flange connections allow for the passing through of air or fluid via an interior opening, blinds give the ends of pipe connections a well formed termination point or rerouting of the media in question towards another portion of the pipe assembly.Opt for a blind flange in these cases, as well as in instances when a pipe line requires a future modification such as the installation of a valve or fitting to reroute flow.
| Material | Carbon steel | Q235 ,P250GH,20# |
| Stainless steel | SS304/304L, SS316/316L | |
| Standard | ANSI | Class 150 Flanges-Class 2500 Flanges |
| DIN | 6Bar 10Bar 16Bar 25Bar 40Bar | |
| JIS | 5K Flanges-20K Flanges | |
| UNI | 6Bar 10Bar 16Bar 25Bar 40Bar | |
| EN | 6Bar 10Bar 16Bar 25Bar 40Bar | |
| TYPE | 1.Welding neck Flange | |
| 2.Slip on | ||
| 3.Blind flange | ||
| 4.Threaded flange 8.Flat flange | ||
| 5.Flat flange | ||
| Surface | Anti-rust oil, Black paint, Yellow paint,hot-dipped Galvanized,electrical galvanized | |
| Connection | Welding, Threaded | |
| Technical | Forged, Casting | |
| Size | DN10-DN3600 | |
| Package | 1.Standard export packaging | |
| 2.As Customers' Requirements | ||
| Applications | Water works, Shipbuilding industry, Petrochemical & Gas industry, Power industry, Valve industry etc. | |
Face Types Of Blind Flanges:
Raised Face Blind Flange: It has a raised serrated surface around the center for improved sealing. Typically utilized with a spiral wound gasket.
Ring Type Joint (RTJ) Blind Flange: This type utilizes a metal ring gasket for high-pressure and high-temperature applications. A gasket is usually metallic.
High Hub Blind Flange: It combines the characteristics of a blind and the extension of a hub flange for added strength.
Benefits Of Using Blind Flanges:
* Leak Prevention:Blind flanges create a secure seal, preventing leaks in the pipeline.
* Maintenance Convenience:They make it easy to isolate sections for maintenance without disrupting the entire system.
* Pressure Relief: Blind flanges can be used for pressure relief when necessary, typically when ports are created in their body.
* Safety: They ensure safety during pressure testing and maintenance by blocking off hazardous substances.
* Versatility: Blind flanges are suitable for various pipe materials and sizes.
* Cost-Efficiency: They are cost-effective solutions for sealing pipe ends and reducing downtime.
* Easy Installation: It is simple to install and remove as needed.
* Longevity: Blind flanges are durable and corrosion-resistant, extending their lifespan.
* Customization: They come in various materials, including stainless steel, carbon steel, and more, to suit specific applications.
* Adaptability: Blind flanges are suitable for high-temperature and high-pressure environments.
* Reduced Maintenance Costs: They minimize the need for frequent maintenance and repairs.
*No Flow Restriction: Since they have no bore, blind flanges do not obstruct flow when not in use.
* Uniform Stress Distribution: They distribute stress evenly across the flange face.
* Compatibility: They are compatible with different flange types, making them versatile in various systems.
* Enhanced Safety: They reduce the risk of accidents and environmental damage by providing a reliable closure.
* Pressure Testing: Blind flanges seal off pipeline sections during pressure testing, ensuring safety and accuracy.
* Isolation: They are employed to isolate sections of a pipeline for maintenance or repairs, preventing the escape of hazardous substances.
* Temporary Closure: When a pipeline is temporarily not in use, blind flanges can seal it off securely.
* End Cap: Blind flanges are often used as end caps in vessels and tanks to maintain pressure or remove contaminants.
* Instrumentation and Inspection Ports: They can serve as access points for inspection or the installation of measurement instruments like pressure gauges and thermometers.
Huazhan is engaged in Industrial Supplies especially Pipe Flanges including Blind Flange, Orifice Flange, Lap Joint Flange,
Slip-On Flange, Socket Weld Flange, Threaded Flange, Weld Neck Flange and more. High quality and competitive flanges made by Huazhan are used for a variety of applications, mainly in petroleum & natural gas transportation, water treatment, energy generating, chemical producing and mine processing industries pipeline. We stock a wide range of Flanges in various materials, sizes and specifications, meeting quality standards such as ISO, API, ANSI, BS, JIS, UNI, MSS, SP, etc.
We are continuously developing innovative technology and trying to maximize customer satisfaction. For any Flanges needs you may have, please send us your inquiries. We always reply within 24 hours.
Service: * After receiving your inquiry, reply within 8 hours, and provide the price plan within 24 hours.
and QC personnel.
* In the cost, production, inspection, packaging, delivery and other aspects to provide a full range of intimate services.
* Provides professional support and assurance at all stages of sales.
1. What's your terms of payment?
30%T/T as the upfront deposit, 70% before delivery, We will show you the photos and package before you pay the balance.
EXW, FOB, CFR, CIF
For stocks, we could transport the goods to loading port within 7 work days after we received the deposit.For production period, it usually takes about 15 days to 30 days after we received the deposit.
Yes, we can customer-made by your samples or technique drawings, we can build the mold and fixtures.
Each piece of products is manufactured by certified workshops, inspected by us piece by piece according to national QA/QC standard. We also could issue the warranty to customer to guarantee the quality.