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Although no two Diethylene glycol Loading solutions will be identical, the product itself determines much of the critical design criteria that will ensure that optimum safety and productivity can work together in harmony.
Diethylene glycol, also referred to as DEG, Diglycol, Ethylene Diglycol is an organic compound that’s colorless, odorless, poisonous, and a hygroscopic liquid. It is soluble in water, alcohol, ether, acetone, ethylene glycol and widely used as a solvent. DEG is commonly used in the preparation of antifreeze, brake fluid, cigarettes, and some dyes.
In the United States, diethylene glycol is a “tight-fill” (closed-loop) loading operation and is loaded into rail cars via 3” carbon steel loading arms, or chemical hoses. Diethylene glycol, if not handled properly can cause serious injuries; therefore, Personal Protective Equipment (PPE) is required. Additionally, because operators are on top of the vehicles during the loading process, robust, well-designed fall prevention is essential to ensure increased throughput, without compromising operator safety.
Diethylene glycol is typically shipped in 26,000 gallon DOT-111 insulated or uninsulated tank cars with safety valves. The rails cars themselves are ~ 9′ outside diameter with an overall length of ~45’ to 55′, with a 6’ x 6’ center opening or off-set crash box openings.
Tank truck (un)loading procedures are similar to railcar applications with the trailers meeting established DOT requirements for transporting diethylene glycol or other similar commodities. Approved DOT trailers include MC 307 or low pressure chemical road trucks. Trailers are typically bottom unloaded. An extension pipe with two valves is flanged to the top of the trailer.
All trailers must be equipped with pressure relief valves; and trailers with bottom outlets must be equipped with remote controlled stop valves.
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Our experts simplify the complexBulk Chemical Specialist
“As subject matter expert, I’ll leverage my years of experience as your personal consultant throughout the project to ensure you get a world-class solution.”Ray Evans-Bulk Chemical Market SpecialistContract# 47QSAWA19D0085View Full Text
Typically, as a starting point, we will need to know answers to these questions for your project
- The Railcar connection locations need flexibility – Do you know what the breadbasket connections look like?
- Are you using liquid and vapor arms/hose as two separate devices or a piggyback arm?
- Is the loading station indoors or outdoors?
- Is the loading area temperature controlled?
- How are you going to spot your railcars
Our highly trained technical sales team will undertake a detailed site survey prior to undertaking any work to check and clarify all dimensions, obstructions, access issues and other salient points. Our challenge is to provide the safest working environment – protecting operators and the equipment – while simultaneously enabling you to improve throughput and productivity.
Your Project Needs
Whether you are looking for a turn-key installation, on-site supervision or a maintenance program, SafeRack is positioned to assist you. We can do as little or as much as you need. Our project management and supervision team is the best in the business at supporting your company’s needs.
- Collaborative Design – Our loading platform specialists will work with you one on one, if you design to design the best loading solution for your specific needs
- Contract review – drawings and associated documents relating to the contract prior to site arrival
- Risk Assessment – Undertaking a site risk assessment
- Shipment Inspection – Detection of any shipping damage or abnormalities
- Material Receiving – Supervised off-loading and transport at site
- Installation Management – Supervised Installations and Coordination
- Start-up & Commissioning – On-site training for both users and maintenance personnel
Generally speaking, SafeRack recommends rigid pipe loading arms where possible for the following reasons:
- Balanced throughout their movement envelope
- Designed not to hit the ground – protecting the asset and the operator
- Ergonomic – one man operation
- Fitted with manual or actuated valves.
- Fitted with optional purge/vent facilities
- Can be moved into position with ease and left hanging in the air while the operator prepares the tanker connection
- Parked neatly
- Annual pressure test
- Are difficult to stow neatly when not in use
- Can be dropped
- Can be driven over
- Are very heavy to use if fitted with a valve at the tanker connection point
- Cannot be easily heated or have vent/purge valves fitted to it
- Prone to catastrophic failure
Diethylene Glycol Loading Platform
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Below are some of the loading and unloading solutions for illustrative purposes only. Our experts will work with you and your team for a custom solution to suit your needs.
Diethylene Glycol Loading Arms
Diethylene glycol is typically loaded into railcars or tank trucks via boom supported carbon steel loading arms or chemical hoses with a flange connection. The arm or hose will have a top inlet with a control valve to ensure that it is self-draining after use and is supported along the length of a mechanical loading arm to improve handling; this is known as a by-pass arm. You can install one liquid and one vapor arm, or mount both the liquid and vapor hoses on one by-pass arm.
For unloading, typically you would use a rigid carbon steel self-draining loading arm with BUNA, EPDM, or FKM seals. Purge lines can be fitted to the arm, for nitrogen purging. Additional features such as parking latches with proximity sensors can be incorporated into the total system to ensure the arm is correctly stowed when not in use before any rail movement can occur.
Diethylene Glycol Loading Gangways and Safety Cages
A wider access gangway (48″-60″ is preferable) as it helps improve access and egress to and from the vessel. In addition, a wider gangway will reduce the risk of the operator’s PPE getting caught, torn or damaged, and will improve productivity and safety. Powered gangway solutions are also an option, with both hydraulic and pneumatic solutions being commonly used.
Each gangway will be fitted with a two-rail safety cage for the railcar crash box. This will be a centered 6’x6′ safety cage to sit directly over the cashbox. This will provide a safe, secure work environment for your operator when connected to their breathing apparatus
GX FLAT RAMP ACCESS (FRT) GANGWAY
SafeRack’s NEW GX-FRT is a flat ramp model popular with railcars. It features a slip-resistant walk surface and, with the use of the telescoping extension, eliminates gaps on narrow railcars. Learn More
Diethylene Glycol Eye Wash/Drench Showers
ANSI guidelines state that an Eye Wash/Drench Showers need to be located 10 seconds or 55′ (16.8m) from contaminants or hazardous materials.
Eyewash stations need to be on the same horizontal plane with no obstructions.
Therefore, we would propose the installation of a standard combination Drench Shower/Eyewash Unit, which will save limited space and fit easily into any work environment.
Diethylene Glycol Spill Containment
Spill containment pans will be provided at the point of loading operations and is an essential piece of equipment in overall site safety and environmental protection
Diethylene Glycol Grounding
Diethylene glycol is not combustible under normal conditions. However, industry best practice includes the grounding of all vessels before starting the (un)loading process.
- Ground controllers — ensure true grounding before product flow is permitted
- Explosion-proof enclosures — meet or exceed UL, CSA, and Ex requirements
- Non-sparking tools are also recommended while working around this product
Safety Gates will be installed at the top of stairs and any other openings to ensure operator safety at all times.
YellowGate Safety Gates
SafeRack’s line of industrial safety gates is the most flexible product on the market with the ability span openings between 16″ and 36″ and is field adjustable with nothing more than a wrench. Learn More
Diethylene Glycol Options
- Lighting – Lighting both over and under the platform will be provided. For overcast days or second shift, lighting is essential for improved safety and improved productivity.
- Platform & Canopies – Full platform canopies reduce exposure to the elements and improve the safe and productive loading operation from the operator’s perspective.
- Operator Shelter – Depending on your site requirements, consideration should be given to the requirement of an operator or guard building on the loading platform. This can be customized to meet specific site requirements.
- Wheel Chocks – Railcar Wheel Chocks provide fast blocking of all types of railcars and meet OSHA regulations to safely prevent railroad cars from moving during loading or unloading operations. This is a requirement by the Department of Homeland Security.
Personal Protective Equipment PPE Requirements
Mandatory Safety Attire: H2O2 should never come in contact with combustible materials such as cloth or leather. Stepping in even a small puddle of concentrated H2O2 can initiate combustion of leather footwear.
Eye/Face Protection: Wear “snug fitting” chemical safety goggles with a full face shield.
Skin Protection: Wear chemical protective clothing e.g. gloves, aprons, boots. Best practice includes protective chemical, full-body encapsulating suit made of vinyl, neoprene, PVC or polyethylene. As well as, a self-contained breathing apparatus (SCBA). Suitable materials include: butyl rubber, Viton®, Viton®/butyl rubber, Barrier® – PE/PA/PE, Silver Shield® – PE/EVAL/PE, Trellchem® HPS, Trellchem® VPS, Saranex®™, Tychem® BR/LV, Tychem® Responder® CSM, Tychem® TK. The following materials should NOT be used: neoprene, nylon, polyvinyl chloride
Respiratory Protection: Up to 5 ppm:
(APF = 10) Any chemical cartridge respirator with cartridge(s) providing protection against chlorine*; or Any supplied-air respirator*.
*Reported to cause eye irritation or damage; may require eye protection.
APF = Assigned Protection Factor
Recommendations apply only to National Institute for Occupational Safety and Health (NIOSH) approved respirators. Refer to the NIOSH pocket guide to chemical hazards for more information.
Use a local exhaust ventilation and enclosure, if necessary, to control the amount in the air. Consider using a corrosion-resistant exhaust ventilation system separate from other ventilation systems. It may be necessary to use stringent control measures such as process enclosure to prevent product release into the workplace. Use backup controls (e.g. double mechanical pump seals) to prevent the release of this material due to equipment failure. * For illustrative purposes only. Our experts will work with you and your team for a custom solution to suit your needs
Customer Reviews5 5Excellent service all around.
Excellent service all around. Helped on some of our customization aspects. We liked the team approach from initial info discovery to final product review from this survey. Very professional.By David Shaw from Factor Gas Liquids Inc. on 8/27/155 5I would recommend this product.
Phyllis Sikes was right on. I would recommend this product because it prevents overfilling rail cars. The product was delivered within 3 weeks as stated on the order acknowledgement. We were able to resume loading railcars at our facility.By Jessica Bursell from Corn Plus Ethanol on 1/4/115 5You guys can also produce and get to the customer way faster.
I used this product in Texas and found it was a lot beefier than the competition’s products. It also offered a bar to keep the drivers from leaving it down. You guys can also produce and get them to the customer way faster.By John Bennett from CEMEX on 3/9/164 5SafeRack service is outstanding.
Our sales rep, Molly Laqua, was excellent – she kept me apprised of the factory issues, and when I could expect the products. Will definitely recommend SafeRack as a vendor, and their service is outstanding.By Janis Crow from Clean Harbors Deer Park LLC on 9/18/124 5SafeRack products are high quality and long lasting.
SafeRack products are high quality and long lasting with minimal maintenance issues if any. Customer service, sales, engineering, and product quality are always excellent with SafeRack.By Kevin Schenker from Delta Terminals Services, Inc. on 12/8/155 5ErectaStep Work Platform
Extremely satisfied with our product.By Wesley Fish from Natural Gas Pipeline Co on 5/7/21
Diethylene Glycol 101
Things to know about Diethylene Glycol
Although Diethylene glycol (DEG) is not recognized by the U.S. Department of Transportation (DOT) as a hazardous over the road chemical, we recommend sound safety precautions and proper handling procedures should be observed at all times.
Diethylene glycol is used in the manufacturing process of polyester resins, polyurethanes, and plasticizers. It is also a component in heating & cooking fuel, as well as, personal care products such as deodorants, lotions, and skin creams.
DEG has a boiling point of 473 degrees F (245 degrees C); and conversely, it will freeze or harden at 23 degrees F (-5 degrees C)
Only properly trained and equipped personnel should be permitted to (un)load DEG tank cars and tank trucks. Operators should wear approved PPE equipment including chemically protected footwear, gloves, safety glasses, and/or goggles.
Avoid breathing vapors, mist, or gas. Ensure adequate ventilation at all times and remove all sources of ignition, as vapor-air mixtures can be explosive. Contact with strong oxidizers may cause a fire under certain conditions. Keep containers tightly closed in a cool, dry, ventilated environment.
Acute exposure may cause skin, eye, and respiratory irritation; and long-term chronic exposure may cause damage to internal organs.
First-aid measures for exposure include – removing operators from the source of exposure and into fresh air. Remove contaminated clothing immediately; wash skin thoroughly with soap and water; flush eyes with tepid water for 15 minutes. If ingested, rinse mouth with water and immediately have the victim drink multiple glasses of water to dilute. Seek medical attention.
Diethylene glycol is not a corrosive chemical, therefore most metals can be exposed with no negative effect including aluminum, carbon, milled and stainless steel. DEG is also compatible with most plastics and elastomers.
Is your plant or facility compliant with ANSI, OSHA, and local safety codes? We can help!
EMERGENCY EYEWASHES / SHOWER EQUIPMENT AND THE ANSI/ISEA Z358.1 – 2014 STANDARD
Following eye contact, you must start washing with water immediately to prevent permanent damage. In the event of skin contact, you must start washing with water immediately to prevent slow-healing chemical burns.
Are you aware that ANSI guidelines state that Eye Wash/Drench Showers need to be located 10 seconds or 55′ from contaminates or hazardous materials and located on the same horizontal plane, with no obstructions? If bottom loading/unloading, an additional shower should be located at grade as well. SafeRack provides the above equipment plus much more needed to keep employees safe and expedite bulk chemical loading and unloading.
OSHA Regulation Experts – Does your existing chemical safety equipment or chemical loading systems meet OSHA’s latest requirements? SafeRack’s professional technical sales consultants are available to meet with your team to make recommendations to keep your facility in front of OSHA’s ever-changing country and region-specific standards and regulations, including lifeline and trolley beam fall arrest systems, metal stairs, and access platforms.
The SafeRack approach is a collaborative one. Let’s call it The SafeRack Way. We have, over many years amassed a great deal of experience and understanding of the safety aspects involved in loading road tankers and railcars, as well as the behavioral habits of the operators.
Experts In Chemical Loading
- Acetic Acid
- Acetic Anhydride
- Acrylic Acid
- Aluminum Chloride
- Aluminum Sulfate
- Ammonium Hydroxide
- Ammonium Nitrate
- Benzyl Chloride
- DEF (Diesel Exhaust Fluid)
- Diethylene Glycol
- Dodecylbenzene Sulfonic Acid
- Ethyl Chloride
- Ethylene Dichloride
- Ethylene Glycol
- Ethylene Oxide
- Ferric Chloride
- Ferrous Chloride
- Hydrochloric Acid
- Hydrofluoric Acid
- Hydrofluorosilicic Acid
- Hydrogen Peroxide
- Hydrofluoric Acid
- Hypochlorous Acid
- Isopropyl Acetate
- Liquid Argon
- Liquid Nitrogen
- Maleic Anhydride
- Methyl Chloride
- Methyl Ethyl Ketone
- Methyl Methacrylate
- Molten Sulphur
- Nitric Acid
- Phosphoric Acid
- Phosphorus Trichloride
- Renewable Diesel
- Sodium Cyanide
- Sodium Hydroxide
- Sodium Hypochlorite
- Styrene Monomer
- Sulfuric Acid
- Sulfur Dioxide
- Titanium Tetrachloride
- UAN (Urea Ammonium Nitrate)
- Vinyl Acetate
- Vinyl Chloride
- Zinc Chloride
- Specialty Chemical
North America’s largest loading terminal
World-leading designer, manufacturer, and installer of truck and railcar loading platforms
As one of the primary railcar loading points, Hardisty is one of the major crude oil hubs in North America and a major origination point of pipelines that export to the United States. SCS was asked to supply and construct a SafeRack crude oil loadout terminal spanning nearly half a mile. The USD Hardisty terminal can load up to two 120-railcar unit trains per day and consists of a fixed loading rack with 62 railcar loading positions enclosed, separate control, operator and mechanical buildings, as well as a unit train staging area and loop tracks capable of holding multiple unit trains simultaneously. SCS also supplied and installed boom-supported loading arms with supply and vapor management systems.
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Located in South Carolina
Located in South Carolina
Located in South Carolina
Located in South Carolina
Located in South Carolina