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Chemical Loading Arms

Chemical loading arms are an essential tool for a safe and efficient range of chemical transfers. In hazardous industrial work, the use of these arms can be lifesaving. Chemical loading arms provide a secure connection between fixed loading facilities and chemical tankers. They can safely transfer high-pressure liquid or gaseous chemicals without risking worker safety or the environment.

Chemical loading arms are a crucial part of the chemical industry, enabling the safe and efficient transfer of chemicals. They are built to withstand harsh chemical environments and offer many benefits, including increased safety, productivity, and cost effectiveness.

Chemical loading arms offer various loading and unloading configurations. These include bottom loading arms for on-ground applications and top loading arms for loading from above.

Chemical top loading arm systems are designed for top filling of road or rail tankers. They use a manhole or any kind of fixed connection like a coupler. These loading arms use high quality swivel joints and precise loading arm balancing to transfer chemicals safely and efficiently.

Benefits

We leverage our experience and expertise to provide our customers with tailored chemical loading solutions that deliver real world benefits, including:

Minimal Product Loss

Our loading arms are designed to help our customers increase the safety and profitability of their chemical loading operations. Manufactured to provide zero leakage and minimal product loss, regardless of the chemical liquid or gas being transferred; Emco Wheaton’s chemical loading arms provide real world savings for our customers.

Increased Durability

Emco Wheaton’s chemical loading arms are manufactured using the highest quality materials, including carbon steel, aluminum, and stainless steel, that are chosen to meet the specific demands of our customer’s chemical loading applications. Combined with our class leading aftermarket services, Emco Wheaton’s range of chemical loading arms provide unrivaled reliability and longevity, minimizing Total Cost of Ownership (TCO).

Maximum Safety

The safety of our customers and their operators is our top priority. Each and every piece of equipment that is delivered by our team is designed, manufactured, and tested to meet the most stringent safety standards; and is certified and compliant with the highest global industry standards. Put simply, our products help keep our customers, their employees, and their operations safe at all times. Emco Wheaton Loading arms use a compression spring balance mechanism that is ergonomically friendly for operators. This spring balance carries the weight of the loading arm and is easy to handle and maneuver into place. This system reduces the risk of injuries such as back strains associated with bending down and picking up hoses, etc.

Ultimate Flexibility

We understand that each of our customers is unique, and that each operation has a specific set of needs. That is why we work closely with our customers to design a chemical loading solution tailored to meet the demands of their chemical loading application. Our range of chemical loading arms covers sizes ranging from 2” to 6”, temperatures between -50oC to 250oC (-58F to 482F), and pressures of up to 40 bar; ensuring that we have the right solution, regardless of the chemical transfer application.

Applications

Regardless of the application, Emco Wheaton can tailor a chemical loading solution that will help our customers maximize safety and performance, while minimizing product loss. Our products are manufactured from a range of high quality materials, and can be customized to load / unload a wide variety of chemical or petro-chemical products, including:

Ethanol
Alcohol
Sulfuric Acid
Sodium
Hydroxide
Hydrochloric Acid
Oil
Butane
Propane
Corn Syrup
Acids
Base
Solvents

As well as a range of 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.

Loading Arm Accessories

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.

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Quick Release System Quick Release System Hydrau

Hydraulic

Our Hydraulic Quick Release System E0790 is used for the automatic separation of a connected loading arm from a tank vehicle in the event of an accidental drive-away whilst still connected. In this event, there is minimal loss of pressure in the rest of the connected supply.

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Mechanical

Our mechanical Quick Release System provides automatic disconnection of a loading arm in the event of a tanker accidentally driving away. Simultaneously the product flow will be shut off both upstream and downstream of the disconnection point.

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Hose Release System

Our Hose Release System is used for the protection of loading hoses during loading/unloading of barges, providing environmentally safe handling of loading hoses.

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Parallel Device for Bottom Loading Arms

The arm is fitted with six swivels for complete 3-axis movement of the tanker connection, allowing for tanker height changes during filling/discharge. The arm is additionally fitted with a parallel bar that holds the tanker connection arm ("B"-length) in a horizontal position irrespective of the primary arm ("A"-length) position. This makes tanker connection and disconnection much easier. The B-length also has a gas spring fitted allowing the operator to raise and lower the B-length with total ease.

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Telescopic Drop Tube

is used with a bottom contact switch, ensuring that the drop tube is permanently in touch with the bottom of the tanker being loaded. Our telescopic drop tubes can be either manually or pneumatically operated. Manually operated telescopic drop tubes are robust and have a short installation.

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Vapor Cones and Plates

Adding a vapor cone or plate with a vapor recovery system on the arm, this improves the profitability of the terminal because vaporized product can be recovered and does not pollute the environment.

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Heating Systems

Designed to keep loaded fluids in a liquid state, used for products with low and middle temperature ranges or if there is no other heating media available.

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Pneumatic

Our pneumatic Quick Release System provides automatic disconnection of a loading arm in the event of a tanker accidentally driving away whilst simultaneously shutting off the product flow both upstream and downstream of the disconnection point.

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Loading Arm Accessories Overfill Protection

Overfill Safety Device

Secondary safety system which prevents product overflow, for example in the case of an incorrect pre-selected loading amount.

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Control Systems

Systems for the comfortable and safe operation of loading arms.

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Emco Wheaton offers a range of accessories to help you further customize and enhance your chemical loading arm. From heated steam jackets and breakaway couplers, to pneumatic and hydraulic handling systems; we can provide you with the equipment you need to improve the safety, performance, and handling of your chemical loading arms. Request a quote to get a loading solution designed specifically to meet your business needs!

Parallel Device for Bottom Loading Arms

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Mechanical

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Pneumatic

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Hydraulic

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Hose Release System

Our Hose Release System is used for the protection of loading hoses during loading/unloading of barges, providing environmentally safe handling of loading hoses.

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Telescopic Drop Tube

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Heating Systems

Designed to keep loaded fluids in a liquid state, used for products with low and middle temperature ranges or if there is no other heating media available.

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Overfill Safety Device

Secondary safety system which prevents product overflow, for example in the case of an incorrect pre-selected loading amount.

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Control Systems

Systems for the comfortable and safe operation of loading arms.

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SURELOK Couplings

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Vapor Cones and Plates

Adding a vapor cone or plate with a vapor recovery system on the arm, this improves the profitability of the terminal because vaporized product can be recovered and does not pollute the environment.

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Other accessories:	Availability of different seal materials:
Vapor Cone Vapor plate Level probe Vapor piggyback Steam jacket heating Electrical trace heating handles Position switches (tie in to PLC for storage) Telescopic drop pipe Local control Panel Pneumatic/hydraulic balancing system 3d-hydraulical Loading Arm Control System Manually, pneumatically or electrically operated valves (ball, plug, butterfly type) TODO Couplers, NGX Breakaway	Viton A Buna GFLT EPDM FEP, Food Grade FVMQ UHMPWE Fluoroloy K, Chemraz, Kalrez (others on request)

Loading Arm Types

Boom Top Loading & Unloading Arms | Emco Wheaton

Boom Loaders are the most versatile of all top loading arms to handle all media and allow for the greatest reach.

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E2630 Top Loading Arm with Vapor Recovery

Loading arms with vapor return lines are ideal for use with hydrocarbons (e.g. gasoline), toxic and aggressive media.

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Long Reach Loading Arm with Supported Boom | Emco Wheaton

Easy to adjust, super smooth spring loaded cylinder balanced, heavy duty swivel joints and a custom boom support enable these arms to reach even further than our unsupported boom loader.

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PTFE lined Loading & Unloading Arms | Emco Wheaton

Especially designed for loading/unloading of acids and caustics (e.g. 33 % hydrochloric acid, 30 % sulphuric acid etc.).

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Parallel Loading Arm | Emco Wheaton

E2632 Parallel Loading Arms with vapor return lines are used for hydrocarbons (e.g. gasoline), toxic and aggressive media.

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MYR Link Arm

The MYR Link arm is a long reach bottom loading arm that is ideal for extended reach bottom truck loading spots.

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Bottom Loading & Unloading

Bottom transfer arms are especially designed to load products where vapor return is necessary while providing an extended reach that makes them ideal for applications where a vehicle cannot be accurately spotted.

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Fixed Reach Loading Arms | Emco Wheaton

Designed specifically for single compartment tank trucks and railroad tank cars. Accurate spotting of railcar or tank truck is required.

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Bottom Hose Loaders

The Bottom Hose Loading Arm is designed specifically to use multiple arms together as a Bottom Hose Loading Station for bottom filling of multiple compartment tank trucks.

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Long Reach Loading Arm with Unsupported | Emco Wheaton

The Long Reach Loader is specifically designed for top loading of multiple-compartment road or rail tankers.

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We offer a range of chemical loading arms that can be used to load/unload virtually any type of container; from single compartment trailer trucks, to multi-compartment railcars. Enter the product tabs below to learn more about the different types of Emco Wheaton Loading Arms!