Hendee Enterprises, Inc. – The Innovative Solutions Company
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Petrochemical, Railcar and Transport Truck

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Petrochemical, Railcar and Transport Truck

Hendee Enterprises is a leader in the manufacture of seal and filter products.  We developed our seals and filters with the petrochemical, railcar and transport truck industries in mind.  Our seals are a barrier against moisture and contaminants.  We manufacture seals for the top and bottom of railcars and transport trucks.  The products are easy to use and install.  

The filters made by Hendee protect against contaminants by filtering incoming air as the products are vacuum unloaded.  Using these filters during transport and unloading will extend control over product purity.  Our filters are for the top and bottom of the railcar and transport truck.  

The majority of products manufactured by Hendee are meant to be a single use item to avoid any cross contamination or equipment damage.  The products are easy to use and install.

Products for the top of the railcar and transport truck

Top Hatch Seal

  • High clarity polyethylene seal allows inspection without removing seal
  • 2 sizes available: 30” and 40” 
  • Includes a safety loop on the 30” seal to assist in attaching to the hatch

Top Hatch Filter

  • Protect against contaminants by filtering incoming air as the product is vacuum unloaded.  Using this filter during transport and unloading will extend your control over product purity.
  • Does not increase unloading time
  • Elastic band for snug fit
  • 3 media choices available 
  • Includes a safety loop to assist in attaching to the hatch

Combo Filter/Seal​

  • Film seal prevents contamination and moisture gain during transit and storage
  • Film seal automatically splits when unloading begins and remaining filter allows air flow while preventing airborne contamination
  • Filter remains in place ensuring filtered airflow thru railcar during unloading
  • Includes a safety loop to assist in attaching to the hatch
Express Wrap 2
Express Wrap

Express Wrap ™  - Hopper Car Seal

  • Provides a 100% seal to contain fumigant
  • Self-contained product that has food grade adhesive already applied
  • Leaves no residue on the lip of the railcar
  • Each roll is 38” wide and 255’ long
  • Use with a Fumigant Pouch to complete the package
  • Installation complete in 12 minutes
  • Patent Pending

Exhaust Filter

Your solution for increasing air purity requirements!

  • Variety of filter fabrics
  • Keeps products from escaping into the environment
  • Saves time and money by preventing messy clean-ups
  • Adaptable to loading powder, plastic resins, cement, & other dry solids

Weathershield

  • Helps protect your product during unloading in adverse weather conditions 
  • 20” vented hatch cover assembly
  • Molded cover with screen vents on under side

Products for the bottom of the railcar and transport truck

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Conical filter

  • Use during loading, unloading & storage of hopper cars and trucks for venting
  • 2 design choices and 2 material choices – fits a 6” bottom spout

Option 1 – media sewn direct to flange

Option 2 – media sewn to o-ring and snapped into flange

  • Allows air to enter bottom spout while keeping out contaminants

Flat Filter

  • Use during unloading, loading and transit of hopper cars and trucks for venting
  • Media sewn to flange
  • Fits 6” bottom spout
  • Allows air to enter bottom spout while keeping out contaminants

Insert Seal

  • Snaps tightly into standard spouts
  • Fits 6” bottom spout
  • Provides a solid seal for bottom spout

Cover Filter

  • Shower cap style
  • Filter media
  • Fits 6” bottom spout
  • Allows air to enter bottom spout while keeping out contaminants

Cover Seal

  • Shower cap style
  • High clarity polyethylene
  • Fits 6” bottom spout
  • Seals bottom spout by not allowing air or contaminants to enter
Catch bags

Catch bags

  • Attaches to bottom flow tube and catches resin during washing of inside of hopper car. 
  • 2 styles

Containment tray

  • Stop spillage during connecting and disconnecting of unloading devices on railcars and trucks
  • Hooks over rail
  • Lightweight, durable plastic


Lid available – sold separately, special order