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Socket Weld Flange – Industrial Flange Manufacturer & Supplier
Product Overview
Socket weld flanges are designed for small-diameter, high-pressure pipeline systems where reliable sealing and strong mechanical connection are required. The pipe is inserted into the flange socket and then welded, ensuring excellent strength and leak resistance.
SHAANXI GOLD-STONE I/E CO., LTD. manufactures high-quality socket weld flanges in carbon steel, stainless steel, and alloy steel, meeting international standards such as ASME B16.5, EN 1092-1, and GB/T standards. These flanges are widely used in critical industrial piping systems worldwide.
Key Features
· Designed for small-diameter high-pressure pipelines
· Strong welded socket connection for leak-proof performance
· Easy alignment during installation
· High mechanical strength and durability
· Suitable for high-pressure and high-temperature systems
· Available in multiple materials and pressure ratings
Key Applications
Oil & Gas Pipelines
Used in high-pressure small-bore piping, instrumentation lines, and auxiliary systems.
Petrochemical Plants
Suitable for process piping requiring strong sealing and corrosion resistance.
Power Generation Systems
Used in steam lines, cooling systems, and auxiliary piping.
Water Treatment Facilities
Applied in industrial water and high-pressure distribution systems.
Industrial Pressure Piping
Widely used in factories, chemical plants, and mechanical systems.
Materials
Carbon Steel
· ASTM A105
· ASTM A350 LF2
High strength and cost-effective for general industrial applications.
Stainless Steel
· ASTM A182 F304 / F304L
· ASTM A182 F316 / F316L
Excellent corrosion resistance for chemical and marine environments.
Alloy Steel
· ASTM A182 F11
· ASTM A182 F22
Suitable for high-temperature and high-pressure service conditions.
Pressure Ratings
· Class 150
· Class 300
· Class 600
· Class 900
· Class 1500
· Class 2500
Face Types
RF – Raised Face
Most commonly used sealing surface for industrial applications.
FF – Flat Face
Used for low-pressure systems and specific equipment connections.
RTJ – Ring Type Joint
Designed for high-pressure, high-temperature critical service environments.
Standards
· ASME B16.5
· ASME B16.47
· EN 1092-1
· GB/T Flange Standards
Advantages
· Strong welded connection ensures high safety
· Excellent sealing performance under pressure
· Ideal for compact piping systems
· High resistance to mechanical stress
· Suitable for critical industrial applications
· Long service life with proper material selection
Quality Control
All socket weld flanges are manufactured under strict quality control procedures, including:
· Dimensional inspection
· Material chemical analysis
· Welding compatibility checks
· Pressure and sealing tests
· Surface treatment inspection
Third-party inspection services available through SGS, Bureau Veritas, and other international agencies.
Packaging & Delivery
· Wooden cases / plywood pallets
· Anti-rust oil protection
· Plastic caps for socket protection
· Moisture-proof wrapping
· Export standard marking
· MTC (Material Test Certificate) included
FAQ
What is a socket weld flange used for?
A socket weld flange is used in small-diameter high-pressure pipelines where strong welded connections and leak-free performance are required.
Where are socket weld flanges commonly used?
They are widely used in oil & gas, petrochemical plants, power stations, water treatment systems, and industrial piping networks.
What materials are available?
Carbon steel, stainless steel, and alloy steel grades such as ASTM A105, A182 F304, F316, F11, and F22.
Are socket weld flanges suitable for high pressure?
Yes, they are specifically designed for high-pressure small-bore pipeline systems.
What standards are followed?
ASME B16.5, EN 1092-1, GB/T and other international flange standards.
Recommended Products
· Weld Neck Flanges
· Slip-On Flanges
· Blind Flanges
· Threaded Flanges
· Plate Flanges
· Stainless Steel Flanges
· Carbon Steel Flanges
· Alloy Steel Flanges
· Pipe Fittings
Request a Quote
SHAANXI GOLD-STONE I/E CO., LTD. supplies high-quality socket weld flanges for global industrial pipeline systems. Contact us for technical drawings, pricing, and customized flange solutions.
Send Inquiry to This Supplier
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