![Carbon Steel Inspection Ring](https://houstonpolytank.com/wp-content/uploads/2015/11/Carbon-Steel-Inspection-Ring-2.jpg)
Carbon Steel Inspection Ring
4-1/2”, 6” and 8” I-beam available
![Carbon Steel Mixer Mount](https://houstonpolytank.com/wp-content/uploads/2013/08/Tank-Fittings-Options-Installed-2.jpg)
Carbon Steel Mixer Mount
No need for external structural support for mixer and motor
![OSHA Compliant Carbon Steel Ladder and Top Handrail](https://houstonpolytank.com/wp-content/uploads/2015/11/OSHA-Compliant-Carbon-Steel-Ladder-Top-Handrail.jpg)
OSHA Compliant Carbon Steel Ladder and Top Handrail
Fiberglass available as well
![Threaded Top Manway](https://houstonpolytank.com/wp-content/uploads/2015/11/Threaded-Top-Manway-rev1.jpg)
Threaded Top Manway
Sizes from 8” to 24”, depending on tank size
![Internal Heating Coil](https://houstonpolytank.com/wp-content/uploads/2015/11/Internal-Heating-Coil.jpg)
Internal Heating Coil
o Coil can be Stainless Steel piping
o Hot water will circulate through pipe from outside source
![Steel Backing Ring](https://houstonpolytank.com/wp-content/uploads/2015/11/Steel-Backing-Ring-rev1.jpg)
Steel Backing Ring
Sizes vary from 2” to 12”
![Side Manway with Cover, Gasket and Hardware](https://houstonpolytank.com/wp-content/uploads/2015/11/Side-Manway-with-Cover-Gasket-and-Hardware.jpg)
Side Manway with Cover, Gasket and Hardware
Zinc, Ecogaurd, Stainless Steel and other hardware available
![Gooseneck Vent](https://houstonpolytank.com/wp-content/uploads/2015/11/Gooseneck-Vent.jpg)
Gooseneck Vent
Mushroom or Flange vents available with SS bird screen
![Side Manway](https://houstonpolytank.com/wp-content/uploads/2015/11/Side-Manway.jpg)
Side Manway
Molded side manway for large tanks
![](https://houstonpolytank.com/wp-content/uploads/2015/11/Stainless-Steel-Backing-Ring-rev1.jpg)
Stainless Steel Backing Ring
Sizes vary from 2" to 12"
![Internal Down Pipe & Supports](https://houstonpolytank.com/wp-content/uploads/2015/11/Internal-Down-Pipe-Supports-1.jpg)
Internal Down Pipe & Supports
Welded sprinkler scrubber systems options available
![Immersion Heater](https://houstonpolytank.com/wp-content/uploads/2015/11/Immersion-Heater.jpg)
Immersion Heater
o Available with internal Teflon supports
o Teflon coated heaters available for harsh chemicals
o Control boxes for heaters can be installed on the external wall of tank
![Tie Downs](https://houstonpolytank.com/wp-content/uploads/2015/12/1500-GAL-Polyethylene-Tank-with-Tie-Downs.jpg)
Tie Downs
PE stamped seismic calculations available
![Polypropylene Coated Backing Ring](https://houstonpolytank.com/wp-content/uploads/2015/11/Polypropylene-Coated-Backing-Ring-rev1.jpg)
Polypropylene Coated Backing Ring
Sizes vary from 2" to 12"
![](https://houstonpolytank.com/wp-content/uploads/2019/06/Total-Drainage-1.jpg)