Premium Monolithic Isolation Joints
from ALFA Engineering
Unmatched Protection for Your Pipeline Assets
At Northbound Gaskets, we don’t just talk integrity—we build it into everything we do. That’s why we’ve partnered exclusively with ALFA Engineering Società Cooperativa, the global leader in monolithic isolation joints with over 30 years of proven innovation.
ALFA’s isolating joints are engineered to stop corrosion in its tracks, delivering long-term reliability and safeguarding your critical field assets—no compromises.
Why ALFA Leads the Industry
PED & CE Certified Excellence: Full compliance with European Directive 2014/68/EU (Module H – Total Quality Assurance). Every joint carries the CE mark, guaranteeing safety, performance, and seamless market access across Europe.
Built to Perform in the Harshest Conditions:
o Sizes: ½″ to 80″ DN
o Pressure Ratings: ANSI #150 – #2500 | API #10,000
o Materials: Carbon steel, stainless steel, duplex/super duplex, cladded options
o Standards: ASTM, ASME, API, DNV, NORSOK, NACE, ISO, EN, and more
o Superior Insulation: Nema G11 Class H – the best dielectric properties available
o Sealing: Double O-ring system (including AED options) tailored to your fluid and temperature
o Industry-Leading Warranty: 60 months from shipment
State-of-the-Art Testing & Quality Assurance
The ALFA brand-new dedicated Testing Area maximizes efficiency and safety, with remote monitoring via sensors and cameras—so you can witness tests live from anywhere.
Standard Tests Include
Hydrostatic & Hydro Fatigue
Vacuum & Pneumatic
Bending, Torsion & Hydro-Thermal Bending
Helium Leak Detection
Electrical Resistance & Dielectric Strength
Piggability (97% internal DN), Holiday, Adhesion, and more
Certified NDT by ISO 9712 / SNT-TC-1A Specialists
RT, UT, MT, PT, VT, Leak Testing
Available Upon Request:
3.2 Material Certification
PSL2 Pipe Certification
PWHT, HIC/SSC, CTOD, FEA/FEM
ARH Dossier (Algeria projects)
Immersion in 3% saline solution.
