Sku: 31000
Cascade Fire Equipment

Polypropylene Tanks are ideal for use as water tanks for Slip-On Firefighting Units. They can be manufactured in a wide variety of configurations, dimensions and sizes. Also available are partitions designed to provide maximum water flow, equipped with vent and air holes to permit movement of air and water between compartments. Optional foam cells are also available.


  • Constructed of ½” thick polypropylene sheet stock; non-corrosive stress relieved thermo-plastic, natural black, U.V. stabilized for maximum protection
  • Compatible with firefighting foams, retardants, and other wetting agents
  • All joints and seams are extrusion double welded and tested for maximum strength and integrity
  • Transverse baffle partitions are manufactured from ½” stock of the same material and extend from the tank floor to the cover
  • All baffle partitions interlock with one another and are welded to each other and to the walls of the tank
  • Tank fill connections are backed with flow deflectors to diffuse the stream entering the tank
  • End wall of tank has a vertical translucent panel sight gauge
  • Combination vent and manual fill tower has a ¼” thick, removable polypropylene screen and cover with stainless steel hinge
  • Tank is equipped with anti-cavitation device


Water Tanks Include:

  • One fill tower with removable screen and cover
  • One sump with anti-swirl plate and drain fitting
  • One vent overflow pipe
  • One 1” NPT tank fill fitting
  • One 2” NPT tank suction fitting
  • One sight gauge


Foam Tank Includes:

  • One fill tower with removable screen and cover
  • One sight gauge
  • Drain



Cascade's polypropylene tanks can be manufactured in a wide variety of configurations, dimensions, and sizes, with additional options including reel mount blocks, wheel wells, and diamond plate. 

Please call for a customized quote: (800) 654-7049


All orders are processed within 24 hours, unless order is received during non-business hours, in which case orders will be processed on first working day after order is placed. 

If we are experiencing a high volume of orders, processing and shipments may be delayed by an additional 24 hours. Please allow additional days in transit for delivery. If there will be a significant delay in shipment of your order, we will contact you via email or telephone.


Currently shipping is FREE for our online items. If this changes, shipping charges for your order will be calculated and displayed at checkout.

We currently only ship to addresses within the United States, and APO/FPO addresses.

Most of our products ship via UPS. Tracking information via UPS shipment will be provided when your order ships.

Items usually ship within 2-3 business days when in stock.  We will notify you on shipping lead times on back ordered items

During peak fire season, our clothing orders can have an 8-12 week delivery time.

Please contact us at 800-654-7049 for expedited shipping requests.


You will receive a Shipment Confirmation email once your order has shipped containing your tracking number(s). The tracking number will be active within 24 hours.


 We currently do not ship outside the U.S.


If you received your order damaged, please contact us at 800-654-7049


Our Return & Refund Policy provides detailed information about options and procedures for returning your order.

Polypropylene Tanks

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