--- title: | Scul-Lock description: Scul-Lock | image: https://marketing.scully.com/hubfs/TankTek_logosquare.png --- - [Products](http://scully.com/products/) - [Overfill Prevention Controllers](https://scully.com/product-category/overfill-prevention-controllers/) - Loading Rack / Fill Stand / Gantry - [Auto-Detect Rack Controller - Intellitrol](https://scully.com/product/intellitrol-overfill-grounding-vehicle-identification-monitor/) - [Multi-Point Controller – ST-35](https://scully.com/product/st-35-overfill-prevention-monitor-2/) - [Single-Point Controller – ST-15](https://scully.com/product/st-15-overfill-prevention-monitor/) - Tank Truck - [Onboard Controller – IntelliCheck®3](https://scully.com/product/intellicheck-3/) - Storage Tank - [Point Level Controls – ST-15-WX](https://scully.com/product/st-15-wx-overfill-prevention-and-liquid-detection-monitor/) - [Overfill Prevention Sensors](https://scully.com/product-category/overfill-prevention-sensors/) - Tank Truck - [Two-Wire Optic Sensor](https://scully.com/product/scul-sense-two-wire-optic-sensor-for-overfill-prevention/) - [Five-Wire Optic Sensor](https://scully.com/product/scul-sense-five-wire-optic-sensor-for-overfill-prevention/) - [Stainless Steel Chemical Sensor](https://scully.com/product/scul-sense-stainless-steel-high-pressure-chemical-sensor/) - [Retain Optic (Bottom) Sensor](https://scully.com/product/retained-product-sensor-for-compartment-empty-detection/) - [Toolless Sensor – Scully Connect™ Plus](https://scully.com/product/scully-connect/) - Storage Tank - [Two-Wire Optic Sensor For Storage Tanks](https://scully.com/product/two-wire-optic-sensor/) - [Thermistor Sensor](https://scully.com/product/thermistor-sensor/) - [Single Sensor Mounting Holder](https://scully.com/product/sp-o-single-sensor-mounting-holder/) - [Multi-Sensor Mounting Holder For Storage Tanks](https://scully.com/product/multi-sensor-mounting-holder/) - Rail Car - [Portable Liquid Level (Cane) Sensor](https://scully.com/product/portable-liquid-level-sensors/) - [Overfill Prevention Plugs & Cables](https://scully.com/product-category/overfill-prevention-plugs-cables/) - Loading Rack / Fill Stand / Gantry - [Plugs, Cables & Junction Box](https://scully.com/product/plug-cable-assemblies-wsculcon-series-junction-box/) - [Pull-Away Plug & Cable](https://scully.com/product/scully-pull-away-socket/) - [Break-Away Plug & Cable – Scul-Guard™](https://scully.com/product/break-away-cables/) - [Overfill Prevention Sockets](https://scully.com/product-category/overfill-prevention-sockets/) - Tank Truck - [Single & Dual Sockets (DuoCept®)](https://scully.com/product/five-wire-and-two-wire-single-sockets/) - [Two-Wire Optic Socket – UK](https://scully.com/product/scully-two-wire-optic-socket/) - [Overfill Prevention Testers & Accessories](https://scully.com/product-category/overfill-prevention-testers-accessories/) - Loading Rack / Fill Stand / Gantry - [Scully Rack Tester](https://scully.com/product/universal-loading-rack-tester/) - Tank Truck - [Universal Truck Tester](https://scully.com/product/universal-truck-tester-overfill-prevention-grounding-system-diagnostics/) - [Static Bond & Ground Proving Equipment](https://scully.com/product-category/static-bond-ground-proving-equipment/) - Loading Rack / Fill Stand / Gantry - [Static Ground Proving Controller ST-47 Groundhog™](https://scully.com/product/st-47-groundhog-static-grounding-monitor/) - Tank Truck Accessories - [Scully Ground Bolt & Ground Ball](https://scully.com/product/ground-bolt-ground-ball/) - [Static Ground Proving Plugs, Cables, & Clamps](https://scully.com/product-category/static-bond-ground-proving-plugs-cables-clamps/) - Loading Rack / Fill Stand / Gantry - [Plugs & Cables W/ SCULCON Junction Box](https://scully.com/product/ground-proving-plug-and-cable-assembly-with-sculcon-junction-box/) - [Clamps & Cables W/ SCULCON Junction Box](https://scully.com/product/ground-verification-clamp-and-cable-unit/) - [Deadman Handle & Cable](https://scully.com/product/deadman/) - [Vehicle Identification System](https://scully.com/product-category/vehicle-identification-system/) - Loading Rack /Fill Stand / Gantry - [Auto-Detect Rack Controller - Intellitrol®2 W/ Vehicle Identification Option](https://scully.com/product/intellitrol-overfill-grounding-vehicle-identification-monitor/) - Tank Truck - [Truck ID Module – T.I.M ®](https://scully.com/product/t-i-m-truck-identification-module-2/) - [Delivery Nozzles, Swivels & Accessories](https://scully.com/product-category/delivery-nozzles-swivels-accessories/) - [Ball-Valve Delivery Nozzle Sculflow®](https://scully.com/product/sculflow-nozzle/) - [High Volume Delivery Nozzle – Super Nozzle](https://scully.com/product/super-nozzle/) - [Hose Swivels & Sight Glass](https://scully.com/product/hose-swivels/) - [Spouts](https://scully.com/product/spouts/) - [Portable Fill Device – Ventafil®](https://scully.com/product/ventafil-portable-fill-device-2/) - [Flow Controls & Actuators](https://scully.com/product-category/flow-controls-actuators/) - [Flow Switch & Angle Check Valve Mark IV®](https://scully.com/product/mark-iv-flow-switch-angle-check-valve/) - [Angle Check Valve – Mark IV®](https://scully.com/product/flow-switch-angle-check-valve-pumping-flow-control/) - [Electric & Air Throttle Actuator Sculmatic®](https://scully.com/product/sculmatic-12-volt-electricair-throttle-actuators/) - [Fill Alarms & Level Gauges](https://scully.com/product-category/fill-alarms-level-gauges/) - [Tank Level Gauges – Econ-O-Gage ®](https://scully.com/product/econ-o-gage-swing-arm-gauges/) - [Tank Fill Audible Indicators – Ventalarm®](https://scully.com/product/ventalarm-tank-fill-signals/) - [Tank Level & Alarm Gauges – Ventalarm®](https://scully.com/product/ventalarm-gauges/) - [Tank Level Gauges – Golden Gallon Gauge®](https://scully.com/product/golden-gallon-gauge/) - [Tank Level Gauges – Twis-Lok®](https://scully.com/product/twis-lok-gauge/) - [Enhanced Tank Level Gauges – Snorkel®](https://scully.com/product/snorkel-gauge/) - [Portable Water Detector](https://scully.com/product/portable-water-level-sensor/) - [Vent Pipe Fill Signal – Whistler®](https://scully.com/product/whistler-fill-signal/) - [Tight Fill Adaptors & Caps](https://scully.com/product-category/tight-fill-adaptors-caps/) - [Unifil® Adaptors, Caps And Nozzle Connectors](https://scully.com/product/unifil-tightfill-connection-system/) - [Unifil® Delivery System Accessories](https://scully.com/product/scully-unifil-tight-fill-delivery-system-accessories/) - [Scul-Lock™️ – Locking Cap](https://scully.com/product/scul-lock-locking-cap/) - [Markets](http://scully.com/markets/) - [Petroleum](https://scully.com/market/petroleum/) - [Railcar](https://scully.com/market/railcar/) - [Aviation](https://scully.com/market/aviation/) - [Chemical](https://scully.com/market/chemical/) - [Government/Military](https://scully.com/market/government-military/) - [Lube Oil Delivery](https://scully.com/market/lube-oil-delivery/) - [Food & Beverages](https://scully.com/market/food-beverage/) - [Heating Oil Delivery](https://scully.com/market/heating-oil-delivery/) - [Support](https://scully.com/support/) - [Customer Service & Sales](https://scully.com/contact-us/) - [Applications & Pre-Sales](https://scully.com/contact-us/application-pre-sales/) - [Technical Support](https://scully.com/contact-us/technical-support/) - [Resources](https://scully.com/resources/) - [Documentation & Manuals](https://scully.com/resources/documentation-manuals/) - [Case Studies & Application Notes](https://scully.com/resources/case-studies-application-notes/) - [Testimonials](https://scully.com/testimonials/) - [Videos](https://scully.com/resources/videos/) - [News & Insights](https://scully.com/news-insights/) - [News](https://scully.com/news-insights/news/) - [Insights](https://scully.com/news-insights/insights/) - [Events](https://scully.com/news-insights/recent-upcoming-events/) - [About Us](https://scully.com/company-profile/) - [Company Profile](https://scully.com/company-profile/) - [Our Quality Promise](https://scully.com/company-profile/our-quality-promise/) - [Join Our Team](https://workforcenow.adp.com/mascsr/default/mdf/recruitment/recruitment.html?cid=1fc7810b-b7dd-4127-91fa-b24e50bb5b0e&ccId=19000101_000001&lang=en_US) Search for: [Customer Portal](https://portal.scully.com/IPFSitePages/Main.aspx)   [![scully-logo-big](https://marketing.scully.com/hubfs/scully-logo-big.svg)](http://scully.com) - [Products](http://scully.com/products/) - [Overfill Prevention Controllers](https://scully.com/product-category/overfill-prevention-controllers/) - Loading Rack / Fill Stand / Gantry - [Auto-Detect Rack Controller - Intellitrol](https://scully.com/product/intellitrol-overfill-grounding-vehicle-identification-monitor/) - [Multi-Point Controller – ST-35](https://scully.com/product/st-35-overfill-prevention-monitor-2/) - [Single-Point Controller – ST-15](https://scully.com/product/st-15-overfill-prevention-monitor/) - Tank Truck - [Onboard Controller – IntelliCheck®3](https://scully.com/product/intellicheck-3/) - Storage Tank - [Point Level Controls – ST-15-WX](https://scully.com/product/st-15-wx-overfill-prevention-and-liquid-detection-monitor/) - [Overfill Prevention Sensors](https://scully.com/product-category/overfill-prevention-sensors/) - Tank Truck - [Two-Wire Optic Sensor](https://scully.com/product/scul-sense-two-wire-optic-sensor-for-overfill-prevention/) - [Five-Wire Optic Sensor](https://scully.com/product/scul-sense-five-wire-optic-sensor-for-overfill-prevention/) - [Stainless Steel Chemical Sensor](https://scully.com/product/scul-sense-stainless-steel-high-pressure-chemical-sensor/) - [Retain Optic (Bottom) Sensor](https://scully.com/product/retained-product-sensor-for-compartment-empty-detection/) - [Toolless Sensor – Scully Connect™ Plus](https://scully.com/product/scully-connect/) - Storage Tank - [Two-Wire Optic Sensor For Storage Tanks](https://scully.com/product/two-wire-optic-sensor/) - [Thermistor Sensor](https://scully.com/product/thermistor-sensor/) - [Single Sensor Mounting Holder](https://scully.com/product/sp-o-single-sensor-mounting-holder/) - [Multi-Sensor Mounting Holder For Storage Tanks](https://scully.com/product/multi-sensor-mounting-holder/) - Rail Car - [Portable Liquid Level (Cane) Sensor](https://scully.com/product/portable-liquid-level-sensors/) - [Overfill Prevention Plugs & Cables](https://scully.com/product-category/overfill-prevention-plugs-cables/) - Loading Rack / Fill Stand / Gantry - [Plugs, Cables & Junction Box](https://scully.com/product/plug-cable-assemblies-wsculcon-series-junction-box/) - [Pull-Away Plug & Cable](https://scully.com/product/scully-pull-away-socket/) - [Break-Away Plug & Cable – Scul-Guard™](https://scully.com/product/break-away-cables/) - [Overfill Prevention Sockets](https://scully.com/product-category/overfill-prevention-sockets/) - Tank Truck - [Single & Dual Sockets (DuoCept®)](https://scully.com/product/five-wire-and-two-wire-single-sockets/) - [Two-Wire Optic Socket – UK](https://scully.com/product/scully-two-wire-optic-socket/) - [Overfill Prevention Testers & Accessories](https://scully.com/product-category/overfill-prevention-testers-accessories/) - Loading Rack / Fill Stand / Gantry - [Scully Rack Tester](https://scully.com/product/universal-loading-rack-tester/) - Tank Truck - [Universal Truck Tester](https://scully.com/product/universal-truck-tester-overfill-prevention-grounding-system-diagnostics/) - [Static Bond & Ground Proving Equipment](https://scully.com/product-category/static-bond-ground-proving-equipment/) - Loading Rack / Fill Stand / Gantry - [Static Ground Proving Controller ST-47 Groundhog™](https://scully.com/product/st-47-groundhog-static-grounding-monitor/) - Tank Truck Accessories - [Scully Ground Bolt & Ground Ball](https://scully.com/product/ground-bolt-ground-ball/) - [Static Ground Proving Plugs, Cables, & Clamps](https://scully.com/product-category/static-bond-ground-proving-plugs-cables-clamps/) - Loading Rack / Fill Stand / Gantry - [Plugs & Cables W/ SCULCON Junction Box](https://scully.com/product/ground-proving-plug-and-cable-assembly-with-sculcon-junction-box/) - [Clamps & Cables W/ SCULCON Junction Box](https://scully.com/product/ground-verification-clamp-and-cable-unit/) - [Deadman Handle & Cable](https://scully.com/product/deadman/) - [Vehicle Identification System](https://scully.com/product-category/vehicle-identification-system/) - Loading Rack /Fill Stand / Gantry - [Auto-Detect Rack Controller - Intellitrol®2 W/ Vehicle Identification Option](https://scully.com/product/intellitrol-overfill-grounding-vehicle-identification-monitor/) - Tank Truck - [Truck ID Module – T.I.M ®](https://scully.com/product/t-i-m-truck-identification-module-2/) - [Delivery Nozzles, Swivels & Accessories](https://scully.com/product-category/delivery-nozzles-swivels-accessories/) - [Ball-Valve Delivery Nozzle Sculflow®](https://scully.com/product/sculflow-nozzle/) - [High Volume Delivery Nozzle – Super Nozzle](https://scully.com/product/super-nozzle/) - [Hose Swivels & Sight Glass](https://scully.com/product/hose-swivels/) - [Spouts](https://scully.com/product/spouts/) - [Portable Fill Device – Ventafil®](https://scully.com/product/ventafil-portable-fill-device-2/) - [Flow Controls & Actuators](https://scully.com/product-category/flow-controls-actuators/) - [Flow Switch & Angle Check Valve Mark IV®](https://scully.com/product/mark-iv-flow-switch-angle-check-valve/) - [Angle Check Valve – Mark IV®](https://scully.com/product/flow-switch-angle-check-valve-pumping-flow-control/) - [Electric & Air Throttle Actuator Sculmatic®](https://scully.com/product/sculmatic-12-volt-electricair-throttle-actuators/) - [Fill Alarms & Level Gauges](https://scully.com/product-category/fill-alarms-level-gauges/) - [Tank Level Gauges – Econ-O-Gage ®](https://scully.com/product/econ-o-gage-swing-arm-gauges/) - [Tank Fill Audible Indicators – Ventalarm®](https://scully.com/product/ventalarm-tank-fill-signals/) - [Tank Level & Alarm Gauges – Ventalarm®](https://scully.com/product/ventalarm-gauges/) - [Tank Level Gauges – Golden Gallon Gauge®](https://scully.com/product/golden-gallon-gauge/) - [Tank Level Gauges – Twis-Lok®](https://scully.com/product/twis-lok-gauge/) - [Enhanced Tank Level Gauges – Snorkel®](https://scully.com/product/snorkel-gauge/) - [Portable Water Detector](https://scully.com/product/portable-water-level-sensor/) - [Vent Pipe Fill Signal – Whistler®](https://scully.com/product/whistler-fill-signal/) - [Tight Fill Adaptors & Caps](https://scully.com/product-category/tight-fill-adaptors-caps/) - [Unifil® Adaptors, Caps And Nozzle Connectors](https://scully.com/product/unifil-tightfill-connection-system/) - [Unifil® Delivery System Accessories](https://scully.com/product/scully-unifil-tight-fill-delivery-system-accessories/) - [Scul-Lock™️ – Locking Cap](https://scully.com/product/scul-lock-locking-cap/) - [Markets](http://scully.com/markets/) - [Petroleum](https://scully.com/market/petroleum/) - [Railcar](https://scully.com/market/railcar/) - [Aviation](https://scully.com/market/aviation/) - [Chemical](https://scully.com/market/chemical/) - [Government/Military](https://scully.com/market/government-military/) - [Lube Oil Delivery](https://scully.com/market/lube-oil-delivery/) - [Food & Beverages](https://scully.com/market/food-beverage/) - [Heating Oil Delivery](https://scully.com/market/heating-oil-delivery/) - [Support](https://scully.com/support/) - [Customer Service & Sales](https://scully.com/contact-us/) - [Applications & Pre-Sales](https://scully.com/contact-us/application-pre-sales/) - [Technical Support](https://scully.com/contact-us/technical-support/) - [Resources](https://scully.com/resources/) - [Documentation & Manuals](https://scully.com/resources/documentation-manuals/) - [Case Studies & Application Notes](https://scully.com/resources/case-studies-application-notes/) - [Testimonials](https://scully.com/testimonials/) - [Videos](https://scully.com/resources/videos/) - [News & Insights](https://scully.com/news-insights/) - [News](https://scully.com/news-insights/news/) - [Insights](https://scully.com/news-insights/insights/) - [Events](https://scully.com/news-insights/recent-upcoming-events/) - [About Us](https://scully.com/company-profile/) - [Company Profile](https://scully.com/company-profile/) - [Our Quality Promise](https://scully.com/company-profile/our-quality-promise/) - [Join Our Team](https://workforcenow.adp.com/mascsr/default/mdf/recruitment/recruitment.html?cid=1fc7810b-b7dd-4127-91fa-b24e50bb5b0e&ccId=19000101_000001&lang=en_US) [Contact Us](https://scully.com/contact-us/) # Scully Signal Blog ### Recent Posts ## [How to Protect Valuable Petroleum, Oil, and Lubricant Products from Theft](https://marketing.scully.com/scully-blog/how-to-protect-valuable-petroleum-oil-and-lubricant-products-from-theft) [![](https://marketing.scully.com/hubfs/scul-lock-product.jpg)](https://marketing.scully.com/scully-blog/how-to-protect-valuable-petroleum-oil-and-lubricant-products-from-theft) ## **Robust, Durable Locking Cap Keeps Thieves at Bay from Tanks** With petroleum and oil products commanding high prices, the risk of theft is rising in the U.S. Tanks using a tight-fill connection holding diesel, heating oil, and lube may be installed away from human supervision—making them easy targets for theft. An average size tank holding 275 gallons of heating oil at an average price of $5.81 per gallon (per Mass.gov November 18, 2022), is worth $1,597 of oil that can be vulnerable to thieves when left unprotected. Theft, which has primarily been a problem in emerging nations, has become more prevalent in U.S. markets. [Read More](https://marketing.scully.com/scully-blog/how-to-protect-valuable-petroleum-oil-and-lubricant-products-from-theft) 0 Comments [Click here to read/write comments](https://marketing.scully.com/scully-blog/how-to-protect-valuable-petroleum-oil-and-lubricant-products-from-theft#comments-listing) **Topics:** [Scul-Lock](https://marketing.scully.com/scully-blog/topic/scul-lock) [All posts](https://marketing.scully.com/scully-blog/all) # Scully Signal Blog listing page Posted by [![scully-logo-big](https://marketing.scully.com/hubfs/scully-logo-big.svg "scully-logo-big")](https://scully.com/)   **Scully Signal Company World Headquarters** 70 Industrial Way Wilmington, MA 01887-3479, USA Company - [Company Profile](https://scully.com/company-profile/) - [President’s Message](https://scully.com/presidents-message/) - [Our Quality Promise](https://scully.com/company-profile/our-quality-promise/) - [Associations](https://scully.com/company-profile/associations/) - [Dynacheck®](https://scully.com/dynacheck/) Additional Resources - [Join Our Team](https://workforcenow.adp.com/mascsr/default/mdf/recruitment/recruitment.html?cid=1fc7810b-b7dd-4127-91fa-b24e50bb5b0e&ccId=19000101_000001&lang=en_US) - [Insights](https://scully.com/news-insights/insights/) - [Documentation & Manuals](https://scully.com/resources/documentation-manuals/) - [Technical Support](https://scully.com/contact-us/technical-support/) - [Contact Us](https://scully.com/contact-us/) [Login to Customer Portal](https://portal.scully.com/IPFSitePages/Main.aspx) © 2023 Scully - [Privacy Policy](https://scully.com/privacy-policy/) - [Terms & Conditions](https://scully.com/terms-and-conditions) - [Cookie Policy](https://scully.com/cookie-policy) - [Conflicts Mineral Policy](https://149855482.v2.pressablecdn.com/wp-content/uploads/CMS_01.pdf) - ![iso-logo-dark](https://marketing.scully.com/hubfs/iso-logo-dark.svg) - ![made-in-dark](https://marketing.scully.com/hubfs/made-in-dark.svg)