Flanges

Flanges are critical coupling components that ensure leak-free operation, structural integrity, and ease of assembly/disassembly in industrial pipelines, valve stations, and pressurized systems. We offer an extensive portfolio of flanges meticulously engineered to match the specific pressure ratings, chemical exposures, and mechanical stress requirements of your projects.

Configured in various geometric profiles depending on the operational requirements, these connection elements establish a reliable hermetic seal when combined with compatible bolting and gaskets. Facilitating smooth line maintenance and modifications, our flange solutions are manufactured in strict compliance with international standards (EN, DIN, ASME) for demanding industrial facilities.

Slip-On / Flat Flanges

Flat flanges (also known as slip-on flanges) are highly cost-effective piping components designed for low-to-medium pressure industrial systems. They are easily installed by slipping the flange over the outer diameter of the pipe and applying dual fillet welds on both the interior and exterior sides.

Pressure Ratings & Sizing: Typically specified for PN10, PN16, and PN25 pressure classes, compatible with standard metric and imperial pipe sizes.
Installation Efficiency: Features precise inner diameter tolerances that accommodate minor alignment variations, reducing overall installation time.
Applications: Water supply networks, HVAC installations, fire protection piping, and low-pressure utility lines.

Welding Neck Flanges

Welding neck flanges feature a tapered hub design that maximizes connection safety in high-pressure, thermal-cycling, and high-stress piping installations. They are butt-welded directly to the pipe end, providing a smooth transition and exceptional structural integrity under severe operating conditions.

Stress Distribution: The conical hub transfers pipe stresses directly to the flange base, reducing concentrated loading at the welded joint.
Compliance & Standard: Fabricated in strict accordance with EN 1092-1, DIN, and ASME/ANSI standards across various steel grades.
Key Applications: Oil and gas transmission, heavy chemical processing plants, high-pressure steam distribution, and power plant facilities.

Threaded Flanges

Threaded flanges are ideal mechanical piping solutions used in applications where welding is hazardous, restricted, or where protecting zinc coatings (like on galvanized steel) is paramount. They feature internal threads that couple securely with male-threaded pipes without the application of heat.

Safe, Weld-Free Jointing: Eliminates hot work permits on-site, offering rapid assembly and ensuring high safety during maintenance.
Thread Standards: Precision machined conforming to standard NPT, BSPT, and ISO 7/1 configurations.
Typical Applications: Hazardous gas distribution networks, utility piping systems, smaller diameter lines, and galvanized pipe systems.

Blind Flanges

Blind flanges are solid disk components designed to terminate piping runs, cap pressure vessel nozzles, or block unused valve outlets. Serving as end caps, they sustain substantial fluid pressure and bolting stresses, acting as one of the most critical structural barriers in a pipeline.

High Structural Integrity: Crafted with thicker profiles to directly withstand static fluid forces without deformation or failure.
Service Access: Enables quick disassembly for internal pipe inspections, cleaning, flushing, and temporary isolation.
Common Uses: Pipeline terminations, inspection ports, pressure testing (hydrotesting) loops, and manifold blanking points.

Stainless Steel Flanges

Stainless steel flanges are forged from premium alloys such as AISI 304, AISI 316, 316L, and 316Ti to resist aggressive chemical corrosion and high-temperature oxidation. They are essential for applications requiring pristine fluid purity, hygienic environments, and exceptionally long service lifetimes.

Chemical Resistance: Impervious to acidic and alkaline media, highly humid atmospheres, and marine environments; prevents contamination.
Material Integrity: Supplied with EN 10204 3.1 material certificates to guarantee compliance with rigorous quality specifications.
Key Industries: Food and beverage production, pharmaceutical lines, marine engineering, sewage treatment, and chemical plants.

PP-Coated Flanges

PP-coated flanges are hybrid pipe fittings that integrate the high tensile strength of carbon steel with the supreme chemical inertness of polypropylene (PP). While the internal steel core accommodates heavy bolt torque, the thick outer PP encapsulation shields the assembly from chemical fumes and structural degradation.

Hybrid Advantage: Prevents any contact between reactive process chemicals and structural metals, avoiding galvanic and environmental corrosion.
UV Stability & Weight: Equipped with UV-stabilized PP coatings for outdoor resilience under direct sunlight, ensuring structural longevity.
Ideal Applications: Chemical dosing lines, desalination facilities, saline water circulation, and corrosive mining operations.