API Couplers & Adapters
Safe, Seamless Connections for Leak-Free Fluid Transfer in Railcar & Tank Truck Loading Operations
Connect to Safer, Leak-Free Loading Systems with SafeRack
Every safe and efficient loading system relies on precise, dependable connections, and SafeRack delivers. With decades of experience designing complete loading rack systems, we ensure that every part, fitting, and accessory works seamlessly together to keep your operations flowing quickly and safely.
Our extensive range of API couplers, aviation fuel couplers, vapor couplers, and adapters from trusted brands like OPW, TODO, and Emco Wheaton are built to handle even the most hazardous materials. Whether you’re loading or unloading railcars, tank trucks, or storage facilities, SafeRack helps you select the right solution for your specific operations, ensuring maximum reliability, efficiency, and safety.
- Industry Leader: North America’s trusted supplier of top and bottom loading arms and accessories.
- Trusted Brands: Featuring high-quality couplers and adapters from OPW, TODO, and Emco Wheaton.
- Hazardous Material Ready: Products engineered specifically for safe handling of volatile and hazardous substances.
- Expert Consultation: Guidance and selection support to match the best couplers to your loading application.
Couplings
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Why Choose SafeRack for your Bulk Loading?
Customer First
Industry Leader
North America’s top distributor of loading arms, trusted across industries.
Full-Service Support
End-to-end design, engineering, and integration for seamless operations.
Custom Configurations
Solutions to match specific flow rates, products, and site needs.
Safe & Efficient
Ergonomic, durable designs reduce downtime and improve safety.
Surelok Couplings
Our Surelok couplings represent the most innovative method of producing fast and tight connection between two hoses or a vessel and a hose. These couplings comply with the safety requirements of the chemical and oil industries.
Surelok couplings do not require tools or pre-adjustment, the coupling process is achieved by the simple operation of two handles. The product is extremely robust in design and will withstand some of the most challenging applications.
The poppet is spring loaded with constant and continuous pressure which guarantees perfect tightness without product loss.
The variety of models, diameters, and materials provide solutions for numerous applications.
Dry Disconnect Systems
Protect Your Employees and the Environment. For hazardous materials, extreme pressures or temperatures, it’s important to have fittings designed to withstand tough conditions. SafeRack’s line of emergency breakaways, couplers and adaptors do just that. And they all use innovative technology that improves performance and safety.
Our quick connect and disconnect systems help improve worker safety by removing the risk of spills during the loading and unloading process. And we offer solutions from the brands that lead the way in fluid handling safety, such as OPW, TODO and Emco Wheaton. With our complete line of connections, including the Kamlok and Autolok systems, SafeRack provides you with high-performance equipment to meet the needs of virtually any liquid transfer operation.
API Bottom Loading Couplers
The latest in API Bottom Loading Couplers, a proven performer at major oil terminals around the world.
5-Cam Design: Easy alignment, tight adaptor connections and side-force resistance during loading
Dual Interlocks: Ensure that opening cannot occur unless properly connected to an API Adaptor
Superior Sealing: Simple, reliable smart-seal design with dual high-performance O-rings
High-Performance Seals: Special Fluorocarbon Seal Compound for compatibility across most products, including gasoline, diesel, biodiesel and ethanol
Maintenance: Pins and small threads eliminated to provide quick, easy access to critical components; nose seal replaced without requiring removal of coupler from rack; no special tools required; complete rebuild in minutes
API700 Series Bottom Loading Coupler
The API700 Series of Bottom Loading Couplers is the third generation of Liquip-manufactured API couplers. It provides an effortless automatic connection for the safe and environmentally friendly transfer of product from the loading rack to the tank truck.
1004D2/1005E API Bottom Loading Coupler
The 1004D2/1005E API Bottom Loading Coupler from OPW Engineered Systems combines ease of use with robust construction for unmatched dependability. An advanced sealing design—using one seal instead of two—provides superior sealing characteristics and makes replacement quick and simple. Its heavy-duty aluminum and stainless-steel construction has been proven to work well and withstand years of use and abuse at terminals around the globe.
API Bottom Loading Coupler Accessories
We offer several OPW accessories to improve your API Terminal operation.
API Coupler Drain Sample Adapter (1004DRN-0400)
Safely take samples from any API Coupler
API Coupler Parking Adapter (1004PA-0400)
API Coupler Weather Cap (1004WC-0400)
Protects any API Coupler during inclement weather
API Coupler Drain Adapter (1004DRNFULL-0400)
Safely drain your API Bottom Loading Arm
API Coupler J0451
Quality and perfection always drive new standards at Emco Wheaton, and the API coupler range that is commonly used by petrochemical companies is no exception. The J0451 API Coupler has been the industry standard for over 30 years. And it has recently been re-engineered to set a new, higher standard in API Couplings.
The J0451 is lightweight and maintenance friendly, allowing in-situ nose seal replacement. It includes a bevelled lip for ease of operation and it also provides better load distribution. A number of improved components guarantee a safe, leak-free operation and easy, comfortable handling.
The J0451 API Coupler has superior sealing technology with three seal variants.
API Coupler J0452
The J0452 range of API couplers is the most advanced coupler range available in the global market today. The newly launched J0452 has been engineered as a direct replacement to the K2/K2P to be the SNAP ON / SNAP OFF coupler of choice. The J0452 is maintenance friendly, providing in-situ nose seal replacement, has the lowest leakage on disconnect in its class and includes a bevelled lip and ergonomic design for ease of operation. The J0452 includes an optional integrated pump with filter element and has a wide range of spare kits available.
Liquip VCF500 Vapor Coupler
The VCF500 is a 100-mm (4”) vapor coupler with poppet and spigot that has been designed for vapor-transfer applications between the tank truck and a loading or unloading tank. The spring-loaded coupler automatically opens when paired with a compatible adaptor.
SPECS
- Carry handle for increased maneuverability
- Automatically seals when disconnected for increased safety
- Patented “dunny lid” poppet minimizes valve’s pressure drop
- Molded lip seal for reliable sealing
- Fitted with sightglass to view any product left
Liquip VCF075W Vapor Recovery Coupler
The VCF075W Vapor Recovery Coupler is a 100-mm (4”) female camlock that has been designed to connect to a 100-mm (4”) male hose tail. It’s spring-loaded to automatically open when coupled to a compatible adaptor, and it can be used for refined-petroleum-products vapor transfer between the tank truck and loading/unloading tank.
SPECS
- Complies with AS5602:2009
- 25-mm (1″) travel
- Poppet opens between 4 to 6 kPa vacuum for tank protection
- Aluminum body and poppets
- Brass cam levers
- Stainless-steel spring
- Viton#174 poppet seal
- Nitrile camlock seal
VAPOR COUPLER – J0550
The J0550 self-sealing Vapor Coupler is specifically designed to allow high transfer rates of vapor to flow freely from the tank truck back to the loading rack. It has the lowest pressure drop in its class, and will allow higher flow rates at a reduced pressure drop when incorporated into a well-engineered vapor return system, preferably as part of a vapor unloading arm.
Coupling to a tank truck vapor adapter with the J0550’s spring-closed poppet will open both coupler and adapter—both will close when the coupler is removed. It’s ideal for use in a well-engineered vapor system where multi-compartment bottom loading is taking place.