UL
UL 58
Steel underground storage tanks for flammable and combustible liquids.
ENGINEERED TO INTERNATIONAL STANDARDS
Standards & Certificates
Our manufacturing capabilities are informed by recognized tank design standards, licensed steel-tank technologies and management-system practices.
UL
5 Product standardsOverview
STI
5 Tank technologiesOverview
ISO
4 Management systemsOverview
UL product standards
Technical requirements for fuel storage tanks, corrosion protection and oil–water separation.
UL
UL 1746
External corrosion-protection systems for steel underground storage tanks.
UL
UL 142
Steel aboveground storage tanks for flammable and combustible liquids.
UL
UL 2085
Protected insulated aboveground tanks for flammable and combustible liquids.
UL
UL 2215
Outline of Investigation for oil/water separators; covers applicable oil–water separator designs.
STI/SPFA tank technologies
Licensed steel-tank technologies and oil–water separator designs.
STI/SPFA
sti-P3®
Cathodically protected underground steel tanks with a pre-engineered corrosion-protection system, including coating, electrical isolation and cathodic protection.
PERMATANK®
Double-wall underground storage tanks with an inner steel tank and a corrosion-resistant fiberglass-reinforced secondary containment jacket.
FIREGUARD®
Protected, thermally insulated aboveground tanks using double-wall steel construction and insulation in the interstice; associated with STI specification F941 and UL 2085.
F921®
Aboveground double-wall steel tanks with integral secondary containment and a testable, monitorable interstitial space; the design meets the requirements described by STI for UL 142 tanks.
AquaSweep™
Gravity oil–water separator technology for separating free oil from water in applicable industrial drainage and collection systems.
ISO management systems
Quality, environment, occupational health and safety, and energy management.
ISO Standards
ISO
ISO 9001
Quality management systems: requirements for consistent processes and customer satisfaction.
ISO
ISO 14001
Environmental management systems: managing environmental aspects and improving environmental performance.
ISO
ISO 45001
Occupational health and safety management systems: workplace risk control and injury prevention.
ISO
ISO 50001
Energy management systems: improving energy performance, efficiency, consumption and energy-use management.
European design standards
Design requirements for shop-fabricated steel storage tanks.
EN
EN
EN 12285-1
European requirements for shop-fabricated steel tanks used for underground storage.
EN
EN 12285-2
European requirements for shop-fabricated steel tanks used for aboveground storage.
Professional associations
Industry organizations and professional affiliations.
PEIPetroleum Equipment Institute
IMCIndustrial Modernization Centre
APEAAssociation for Petroleum and Explosives Administration
AHKGerman-Arab Chamber of Industry and Commerce
