Introduction to Blind Flanges
A blind flange is a critical component in piping systems, designed to seal the end of a pipeline, valve, or pressure vessel. These solid disks are essential for blind flange types that require temporary or permanent closure, ensuring system integrity and operational safety. Manufactured by HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD, these flanges are engineered to meet international standards, offering versatility and reliability across various industries.
Key Features of HEBEI JIUYUAN Blind Flanges
HEBEI JIUYUAN’s blind flange products are renowned for their robust design and adaptability. Key features include:
- Material Variety: Available in carbon steel (ASTM A105, P235GH), stainless steel (ASTM A182, 304), and alloy steel, ensuring resistance to corrosion and high-pressure environments.
- Pressure Ratings: Compatible with standards like ANSI/ASME, DIN, JIS, and more, ranging from PN6 to PN40 and Class150 to Class2500.
- Customizable Sizes: Sizes from DN10 to DN2000 (½ inch to 24 inches), catering to diverse industrial needs.
- Surface Coatings: Options like black paint, galvanization, and epoxy paint enhance durability and environmental resistance.
Technical Specifications Table
| Parameter | Details |
|---|---|
| PN/CLASS | PN6 – PN40 / Class150 – Class2500 |
| DN/INCH | DN10 – DN2000 / ½In – 24In |
| Materials | CARBON STEEL (ASTM A105, P235GH, etc.), STAINLESS STEEL (ASTM A182, 304, 306) |
| Standards | ASME, EN, JIS, DIN, BS, KS, GOST, SABS, ATK |
| Surface Coating | Black paint, Galvanize, Grease, Epoxy paint |
Application Scenarios
Blind flanges are indispensable in industries requiring reliable sealing solutions. They are commonly used in:
- Oil & Gas: For pipeline terminations and pressure testing.
- Chemical Processing: To isolate sections of piping for maintenance or expansion.
- Power Generation: Ensuring leak-proof connections in high-temperature environments.
- Water Treatment: Sealing valves and vessels to prevent contamination.
According to NIST, proper sealing mechanisms like blind flanges are critical for system safety, as highlighted in their research on industrial standards and material performance.
Installation and Maintenance
Proper installation of a blind flange ensures optimal performance. The process involves:
- Inspecting flange faces and gaskets for debris.
- Placing a compatible gasket between the flange and mating surface.
- Aligning bolt holes and tightening bolts in a crisscross pattern.
- Using a torque wrench to apply even pressure, as per manufacturer guidelines.
Regular maintenance, including inspection for wear and corrosion, is essential to maintain the integrity of the seal. HEBEI JIUYUAN’s blind flange types are designed for easy removal and reinstallation, minimizing downtime during maintenance.
Why Choose HEBEI JIUYUAN?
As a leading manufacturer, HEBEI JIUYUAN combines technical expertise with quality assurance to deliver blind flanges that meet global standards. Their commitment to innovation and customer satisfaction has made them a trusted partner in industries worldwide.
Explore HEBEI JIUYUAN’s product page to learn more about their blind flange solutions.
HEBEI JIUYUAN PIPELINE MANUFACTURING CO.,LTD . is located in Mengcun Hui Autonomous County, known as the “Capital of Elbows”, with a registered capital of 10.09 million yuan.pipe fittings and flanges manufacturers The company is equipped with advanced production facilities, strong technical capabilities and strict testing equipment, ranking among the top in the industry for its excellent quality and service.flanges and pipe fittings We have always been committed to technological innovation and improving product quality.flange manufacturer We have passed the ISO9001:2008 quality system certification and the special equipment certification for pressure pipelines. Our company specializes in the production of flanges, elbows, bends, reducers, blind plates, manholes, pipe caps, tees, crosses, socket fittings, power plant accessories, precision casting and threaded joints.pipe fitting manufacturer We also customize various special and difficult pipe fittings.pipe flange|super blog