Company Profile
For over 100 years, Emco Wheaton has been combining expertise and knowledge, with an innovative attitude and unmatched skills, to produce world-leading fluid transfer equipment.
Emco Wheaton has been the trusted market-leader in supplying complex fluid transfer systems for over a century. Our loading systems are engineered to safely and efficiently transfer a wide range of liquid and gas products. Using our experience and engineering expertise, we provide our customers with reliable, high-quality, low-maintenance solutions that are tailored to solve their unique product transfer challenges.
Emco Wheaton manufactures its loading arms at plants in Houston, TX, USA, and Kirchhain, Germany, using the highest levels of care and quality standards to provide class-leading products.
The company takes pride in its products and works tirelessly to ensure they meet and exceed the growing demands of the oil, gas, transportation, and chemical industries. This commitment is why customers return to Emco Wheaton, confident in purchasing the best products from a recognized and respected brand.
An image of Emco Wheaton employees in industrial safety gear, showcasing the company's commitment to safety and efficiency in fluid transfer solutions.
Land Loading Arms
Emco Wheaton offers a comprehensive range of land loading arms, loading systems, and accessories engineered to efficiently load and unload a variety of liquid and gas products from a range of containers and vessels.
The safety and integrity of customer operations are a top priority. Emco Wheaton's land loading systems are specifically designed to provide ultimate quality, reliability, and flexibility.
Leveraging experience and expertise, Emco Wheaton delivers loading solutions that provide real-world benefits, such as maximizing safety and profitability, and minimizing maintenance and downtime. The product range is designed to help customers optimize their operations.
Understanding that each customer and operation has unique needs and challenges, Emco Wheaton partners closely with clients to deliver tailored solutions for specific demands, regardless of industry or application.
A large industrial facility with storage tanks and pipelines, illustrating the scale of operations where Emco Wheaton's land loading systems are used.
Chemical Loading Arms
Emco Wheaton's specialist chemical loading arms are capable of handling a range of chemicals and biofuels from virtually any type of container.
Engineered for zero leakage and minimal product loss, these arms deliver real-world savings regardless of the chemical liquid or gas transferred. Each loading arm is designed for maximum safety, durability, and flexibility, allowing customers to lower operational costs without compromising performance.
Available in materials such as carbon steel, aluminum, and stainless steel, with options like PTFE lining and vapor return lines, these arms are ideal for transferring:
- Ethanol
- Alcohol
- Sulfuric Acid
- Sodium
- Hydroxide
- Hydrochloric Acid
- Oil
- Butane
- Propane
- Corn Syrup
- Acids
- Base
- Solvents
They also handle technical gases such as anhydrous ammonia, molten sulfur, asphalt, sodium hydroxide, hydrochloric, nitric, hydrofluoric, fatty acid, resins, styrene, propylene, aqua ammonia, pygas, tall oil, and chlorine.
A worker in a cleanroom suit operating equipment in a chemical processing plant, highlighting the precision and safety required for chemical transfer.
Petroleum Loading Arms
Emco Wheaton offers a range of top loading arms, bottom loading arms, and couplers tailored to meet the rigorous demands of petroleum loading applications.
Manufactured from high-quality materials, these arms and accessories are designed to maximize safety, increase efficiency, and eliminate product loss, while reducing maintenance costs and providing the lowest Total Cost of Ownership.
Emco Wheaton's products help customers safely and efficiently load and unload a wide variety of petroleum products, including:
- Petrol
- Diesel
- Aviation Fuel
- Heavy Fuel Oil
- Liquefied Petroleum Gas (LPG)
- Petrochemical Feedstock
- Biofuel
A group of workers in safety gear inspecting a loading operation at a refinery or fuel terminal.
Food Loading Arms
Emco Wheaton's range of loading arms and accessories for food, beverage, and pharmaceutical product transfer applications are designed to meet the strictest food safety and quality standards and guidelines.
Manufactured from high-quality, food-grade materials, each loading arm is engineered to minimize product loss, maximize safety, and eliminate the risk of contamination, helping customers meet both their safety and efficiency goals.
Available in sizes from 2" to 6", at temperatures up to 300°C, and pressures up to 40 bar, these arms are ideal for safely and efficiently transferring a range of food, beverage, and pharmaceutical liquid and bulk products, including:
- Flours
- Maple Syrup
- Salt
- Starch
- Sugar
- Lactose
- Cacao
- Chocolate Chips
- Wine
- Spirits / Whisky Loading Arms
- Beer
A smiling worker in an apron in a clean, modern food processing facility with stainless steel tanks and piping.
Top Loading Arms
Emco Wheaton Top Loading Arm systems are designed for top loading of road or rail tankers using the manhole or any fixed connection like couplers. Their robust design and high-quality swivel joints, along with precise loading arm balancing, ensure convenient handling. The arms offer a long lifetime under high-frequency conditions and provide numerous benefits, including multiple balancing systems, various accessories, safety equipment, optional heating systems, and PTFE lined versions.
A close-up view of a red Emco Wheaton top loading arm system connected to a tanker truck or rail car.
E2022 Unsupported Boom Loader
Features 5-year limited maintenance on D2000 World Series swivel joints. Its extended reach makes it ideal for applications where a vehicle cannot be accurately spotted. The standard vertical range of motion is 55° (park position) to -20° (load position), with maximum vertical movement up to 95° with spring cylinders. Standard arms utilize D2000 World Series swivel joints for ultra-low maintenance and easy spring cylinder balance.
- Pipe size: 2" (51mm) through 12" (305mm)
- Materials: Carbon steel, Carbon, Steel/Aluminium, Stainless steel
Diagram showing riser connection options for the E2022 Unsupported Boom Loader, illustrating various Upfeed and Downfeed configurations for the riser and base.
E2025 Supported Boom Loader
Offers 5-year limited maintenance on D2000 World Series swivel joints. Supported boom loaders are the most versatile top loading arms, providing the greatest mis-spot capability and reach. They feature easy adjustment, smooth action spring cylinder balance, heavy-duty swivel joints, and a custom boom support for extended reach, surpassing the E2022 model. Standard arms include the D2000 World Series swivel joint, a heavy-duty, low-profile joint with 5-year limited maintenance, and various seal configurations for long-life performance. A World Series spring cylinder can provide up to 95° of full vertical movement.
Diagram showing riser connection options for the E2025 Supported Boom Loader, similar to E2022, illustrating various Upfeed and Downfeed configurations for the riser and base.
E2110 Fixed Reach Loader
Specifically designed for top loading single-compartment road or rail tankers where the manhole can be accurately positioned. This arm requires accurate spotting of the rail car or tank truck and is perfect for petroleum and chemical applications. It features top quality design and materials for effortless operation, D2000 World Series swivel joints ensuring durability and low maintenance, and high precision balancing. The Quality Line is 20 DAYS (applies to standard configured pre-Engineered arms).
Schematic diagram of the E2110 Fixed Reach Loader in an Up Feed Configuration, showing components like APEX SWIVEL, BASE SWIVEL, VACUUM BREAKER, REMOTE CONTROL DEVICE, and SPRING CYLINDER BALANCE. Includes a table for part number configuration and a table detailing dimensions (D, J, L) for different configurations.
E2112 Variable Reach Loader
Also known as a Pantograph and Scissor arm, this Variable Reach Top Loader is dedicated for petroleum, chemical, and mineral oil applications. It is a specialized solution for top loading of road or rail tankers where the manhole cannot be accurately positioned. Emco Wheaton recommends this loader for medium-range applications of less than 11 ft. It offers high precision balancing, top quality design and materials for effortless operation, and versatility of reach for loading multiple compartments without re-spotting. It is available with or without a valve. The Quality Line is 20 DAYS (applies to standard configured pre-Engineered arms).
Detailed diagrams of the E2112 Variable Reach Loader showing Right Hand and Left Hand Orientations, including Up Feed Configurations, SPRING CYLINDER BALANCE, VACUUM BREAKER, REMOTE CONTROL DEVICE, and loading arm dimensions (D, J, L) for different primary arm lengths and configurations.
LPG Bullhorn Loading Arm
The Emco Wheaton LPG transfer system offers a successful and economic solution for loading/unloading LPG into Rail cars. Unlike hoses, this system provides safety from explosion, driveway obstructions, and condensate losses, improving operator safety and profit margins. Common hazards associated with loading and unloading LPG railcars, such as operator cold burns, collapsing railcars, and product loss, are reduced to virtually zero. The system is designed for quick and safe connection to the vessel by couplers, with comfortable smooth handling to improve loading time. Traditionally requiring three loading arms, the Emco Wheaton LPG transfer system design incorporates two LPG loading connections and one Vapor return hose line, allowing easy reach to each connection point. All three lines are carried within a single loading arm.
- Pipe sizes: 2" (51mm) through 12" (304mm)
- Materials of liquid path: Carbon steel, Carbon steel/Aluminum, 316L Stainless steel
An Emco Wheaton LPG Bullhorn Loading Arm connected to an LPG rail car, illustrating its specialized design for this application.
E2632 Parallel Loading Arm
Emco Wheaton's E2632 connects two boom loaders to form a new loader type: the parallel arm. Operating as a single arm, it provides high maneuverability and is equipped with product and vapor recovery lines that are free of pockets. The E2632 is ideal for loading hydrocarbons (e.g., gasoline), as well as other toxic and/or aggressive media. By loading with a vapor return hose, operators can improve terminal profitability and minimize environmental impact by recovering vaporized product directly through the loading arm. Loading with a sealed manhole further maximizes protection for operators and the environment, while also meeting legal requirements and regulations (e.g., EUNorm, German TA-Luft).
Features & Benefits:
- Liquid sulphur
- Petroleum applications
- Chemical applications
- Long life
- Low maintenance
- Easy handling
- Material: carbon steel/alu, low temperature steel, stainless steel, PTFE-lined
- Temperature range from -50 °C to +50 °C (-53 °F to +122°F)
- Comprehensive range of safety accessories
- EMCO-high performance swivel joints
Schematic diagram of the E2632 Parallel Loading Arm showing product and vapor lines, control box, overfill safety device, telescopic drop pipe, and pneumatic hold-down device. Includes a table for Materials and Technical Data (Sizes, Materials, Seals, Temperature Range, Design, Accessories) and highlights the EMCO WHEATON carbon steel swivel joint.
Bottom Loading Arms
Bottom loading offers benefits not achievable with top loading designs. As it takes place on the ground, it is inherently safer for the operator. It also allows for simultaneous loading of several tank compartments, increasing speed and efficiency. Bottom loading is easily adaptable to vapor recovery systems. Emco Wheaton's selection of bottom loading arms conforms to API RP1004 standard, designed for safe and reliable loading of tank trucks, rail cars, or any other vessel with sealed connections.
A tanker truck being loaded from below using Emco Wheaton bottom loading arms at a ground-level facility.
E2033 Bottom Transfer Loading Arm
Bottom transfer loaders provide extended reach, making them ideal for applications where a vehicle cannot be accurately spotted. They feature easy adjustment, smooth spring cylinder balance, and heavy-duty swivel joints for extended reach without additional support. Standard arms utilize the D2000 World Series swivel joint, a heavy-duty, low-profile joint with 5-year limited maintenance, and various seal configurations for long-life performance. The spring cylinder balance offers up to 95° of vertical movement for easy alignment and parking. Not recommended for multiple arm crossover (refer to E2573 and E2304). Pipe sizes range from 2" (51mm) through 12" (304mm), and materials for the liquid path include carbon steel, carbon steel/aluminum, and 316L stainless steel.
Diagram showing riser connection options for the E2033 Bottom Transfer Loading Arm, illustrating various Upfeed and Downfeed configurations for the riser and base. Includes an illustration of the arm shown with an emergency release system.
E2121 A-Frame Bottom Loading Arm
Features a 5-year limited maintenance design on D2000 World Series swivel joints. It is recommended for servicing both sides of the platform and for adjacent arm crossover. The secondary arm is available as a rigid pipe or hose. The standard vertical range of motion is 80° (park position) to 45° (load position). Standard arms feature the D2000 World Series swivel joints for ultra-low maintenance and easy spring cylinder balance.
Features & Benefits:
- Pipe Size: 50.8mm (2") through 101.6mm (4")
- Materials: Carbon steel, Stainless steel, Low temp
- Rated for pressures up to 580 psi (40 bar)
- Designed for high pressure liquids and gases: LPG, Anhydrous Ammonia, NGL, Propylene
- Long reach capability
- Drop can be hard pipe or high pressure hose
- 'Bull horn' style connection available
- Stores in near vertical position
- For truck and rail loading and unloading
Diagram showing riser connection options for the E2121 A-Frame Bottom Loading Arm, illustrating Upfeed, Downfeed, Horizontal Upfeed, and Horizontal Downfeed configurations.
E2313 A-Frame Loaders
The A-Frame Bottom Loader can service both sides of the platform and be used for adjacent arm crossover. The secondary arm is available as a rigid pipe or hose. Emco Wheaton recommends this loader for tank truck bottom loading, particularly in short range applications, and it can be used for gasoline or diesel products. It features D2000 World Series swivel joints for durability and low maintenance, parking at high angles for compact storage, and enhanced operator safety with easily adjustable spring cylinder balance.
An Emco Wheaton E2313 A-Frame Bottom Loader, showing its articulated design.
E2304 Bottom Hose Loaders
The E2304 Bottom Hose Loading Arm is specifically designed for bottom filling of multiple-compartment tank trucks. It serves as an ideal solution for retro-fitting from top to bottom loading, offering safe, drip-free construction. It enables simultaneous loading of up to 5 compartments with unrestricted cross-over. The Quality Line is 20 DAYS (applies to standard configured pre-Engineered arms).
Schematic diagram of the E2304 Bottom Hose Loader, showing components like SPRING CYLINDER BALANCE, BASE SWIVEL, DROP HOSE LENGTH, and APEX SWIVEL. Includes a table for part number configuration.
E2386 Bottom Loading Station
This loading arm is designed to load products where vapor return is necessary. It is suitable for the bottom loading/unloading of Road or Rail tankers with flange connection or coupling. The arm features a long reach and is suitable for applications where tanker connection flange positioning is difficult. Its robust design and high-quality swivel joints, along with precise arm balancing, ensure convenient handling.
Features & Benefits:
- Petroleum applications
- Chemical applications
- Safe loading from ground level
- Flexible handling
- Long reach
An Emco Wheaton E2386 Bottom Loading Station, showing multiple loading arms connected to a tanker.
E2573 Bottom Hose Loading Arm with Counterweight Balance
The Bottom Hose Loading Arm with counterweight balance enables efficient bottom loading and unloading of tank trucks. It is recommended for gasoline or diesel products, with special materials available. Features include simultaneous loading of over 3 compartments with multiple cross-over, D2000 World Series swivel joints for durability and low maintenance, and dimensions that cover the API connection area envelope. The Quality Line is 20 DAYS (applies to standard configured pre-Engineered arms).
Diagrams showing the E2573 Bottom Hose Loading Arm with Counterweight Balance, including dimensions and a table listing part numbers, dimensions (C, A), and counterweights. Notes on hose dimensions and weights are included.
Speciality Loading Arms
These arms are designed for specialty applications, such as the loading and unloading of toxic chemicals or dangerous products, including those requiring heating or insulation. Specialty loading arms can be fitted with insulation or manufactured with application-specific materials and can be powered for easy and accurate movement. Emco Wheaton's engineers have developed numerous loading arms for specialized service applications; customers should contact their distributor for custom requirements.
Two Emco Wheaton employees in safety gear, one holding a clipboard, standing in front of large black drums, representing specialized applications.
Drum/Tote Loading Arm
This drum loading arm is dedicated to loading and unloading small vessels, such as drums and totes, where connection flange spotting may vary. It is a versatile solution suitable for a broad range of industries and applications. Features include top quality design and materials for effortless operation, D2000 World Series swivel joints for durability and low maintenance, and a long, boom-style reach. The Quality Line is 20 DAYS (applies to standard configured pre-Engineered arms).
An Emco Wheaton Drum/Tote Loading Arm shown in operation, designed for handling smaller containers.
E2123 Long-Reach Bottom
The Long-Reach Bottom Loading Arm is ideal for extended reach bottom truck loading spots, particularly for "B-Trains" or double length trailers. It offers an effective working reach from 6' to 18' and a connection height envelope from 24" to 54". It is not recommended for multiple arm cross-over. The arm remains fully balanced with minimal effort for easy guidance through its full range of motion. It utilizes Emco Wheaton's maintenance-free D2000 swivels with multiple seal options. Emco Wheaton is a pioneer and leading supplier of this configuration. Features include retrofitting with minimal tools, a draw bar design for failsafe redundancy, powder coating for longer life, and an easily adjustable turnbuckle fastener. The Draw Bar is made of 17-4 Stainless steel with an Inside Loop Length of 35" +/- .50 and a Powder Coat Red Finish.
An illustration of the E2123 Long-Reach Bottom Loading Arm, highlighting its extended reach and compatibility with a retrofit spring.
LLS Accessories
Emco Wheaton provides a range of accessories for its road and rail loading arms, designed to maximize safety and handling. These accessories reduce emissions, minimize risks of drive-away incidents, incorrect operation, and accidental discharge, ensuring optimum performance in bulk liquid transfer operations. The experienced team can recommend the best accessories and guide on-site integration. Accessories are available in various connection options for numerous applications.
A montage of Emco Wheaton accessories including a lockdown device, aluminum swivel repair kits, grounding straps, D2000 seal kits, D2000 modules, and a grip handle.
Accessories & Repair Kits
Emco Wheaton offers a range of Aftermarket accessories for road and rail loading arms, designed to maximize safety and handling and easily applied on-site without cutting or welding. They also provide repair kits for on-site service with ease and minimal downtime.
Accessories include:
- Load valve remote
- Lockdown device
- Spacer spools
- Vacuum breakers
- Position stops
- Grounding straps
- Sight glass
- Grip handle / bucket hook
Replacement Parts & Repair Kits include:
- D2000 seal kits
- Load valve kits
- Aluminum swivel kits
- D2000 module refurbishment
- Hardware & gasket kits [TTMA. 150#, 300#]
- Legacy swivel kits
- API coupler kits
- D2000 modules
Load Valves
Emco Wheaton offers aluminum loading valves for top loading gasoline, diesel, and heavy fuel oil applications. Both the European Fiab Valve and the US E0471 Valve allow opening under pressure and self-closing without water hammer. The closure rate is easily adjustable for both models, requiring no special tooling to prevent line shock. The valve is operated with a rigid remote control located near the vehicle's manhole, allowing the operator to follow loading while holding the arm down and valve open. A vacuum breaker can be fitted directly on the valve body to empty product into the vehicle after loading.
European Fiab Valve Features:
- 3" and 4" available
- Cast aluminum body (built to NF A57705)
- Piston offered in cast iron & stainless
- Viton and FEP seals
- TTMA connections
- Design pressure: 10 bar
- Design temperature: -20°C to +110°C
- Flow rates: 100m³/h (3") & 160m³/h (4")
- Optional "stay open" valves available
US E0471 Valve Features:
- 3" and 4" available
- Cast aluminum body
- Piston offered in stainless
- Viton and Buna seals
- TTMA connections
- Design pressure: 150 PSI
- Design temperature: -20°F to +120°F
- Flow rates: 300 GPM (3") & 600 GPM (4")
Illustrations of the European Fiab Valve and the US E0471 Valve.
Swivel Joints
The multifunctional D2000 swivel joint optimizes nearly all liquid transports. It is universally usable in the mineral oil, food, or chemical industry, meeting the highest standards. Its sandwich design separates the bearing module from product carrying components, making it suitable for media temperatures ranging from -45°C to +250°C. It complies with TA Luft (German regulation for environmental protection) and features a split flanged design.
The D2000 has a compact design, allowing use in "low profile" applications. It offers high load capacity and integrity due to deep hardened ball races. Numerous variants are available to meet specific customer requirements. The D2000 complies with relevant regulations for articulated pipework and has high leak-proof capacity due to smooth rotation and high bending moment characteristics. It is long-lasting with low wear characteristics and maintenance-friendly, allowing easy replacement of the bearing module and seals without disassembling the entire loading arm.
Detailed view of the Emco Wheaton D2000 Swivel Joint, highlighting its robust construction and components.
Service
Emco Wheaton provides services ranging from basic support to total care packages, designed to help customers increase their return on investment in longevity, safety, and performance. Utilizing a comprehensive global network of manufacturing facilities, sales offices, and trading partners, the company operates with a "think globally and act locally" approach. Factory-trained technicians aim to deliver superior service, ensuring successful installation and long-term operation of supplied systems and products. Emco Wheaton partners with customers to ensure they receive world-class products, expert service, and peace of mind.
AFTERMARKET & SERVICE
A focused Emco Wheaton technician wearing safety gear, looking intently at equipment, representing the company's service commitment.
Dedicated to Quality
The safety and integrity of customer operations are Emco Wheaton's top priority. Products are engineered to meet and exceed the highest quality standards, providing customers with complete peace of mind. The portfolio of loading arms, systems, couplers, and accessories complies with a range of international standards, including:
Emco Wheaton GmbH, Germany:
- ISO 9001-2015
- Pressure Equipment Directive 2014/68/EU - Modul A2
- Water Resources Law (Wasserhaushaltsgesetz - WHG)
- SCCP Certified
- SIL 2 Certification High Pressure Coupler
- Russian TR CU 010 Certificate for LLS
- Russian TR CU 010 Certificate for MLS
Emco Wheaton USA, Inc.:
- TSSA Certification
- CSA B51-14
An Emco Wheaton employee working at a computer in a clean, modern office or lab environment, symbolizing quality control and engineering.
Committed to the Environment
Emco Wheaton considers effective environmental management an integral part of its business. All activities are carried out in conformance with relevant environmental legislation and requirements, guided by a comprehensive environmental management system designed to satisfy BS EN ISO 14001. This system helps the company focus on and continually improve its environmental performance.
All employees are committed to meeting goals for minimizing waste, promoting recycling, reducing energy consumption, and reducing harmful emissions. Emco Wheaton also works with suppliers and customers on practical environmental programs.
For more information on Emco Wheaton's environmental policy, visit their website.
A scenic view of a winding river through a lush green forest, representing environmental commitment.