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Belding Cone Bottom Tank

Cone Bottom tanks offer complete drainage. Belding Tank’s standard cone apex angle is 90°. All Cone Bottoms are designed in accordance with ASTM D-3299 or D-4097 standards for elevated cone heads. Cone Bottom tanks come standard with a primed carbon steel pipe leg stand with floor plates and a standard 18 in under clearance from the tank bottom to the floor plates. Therefore, when complete drainage is an absolute must, the Cone Bottom design is the only choice.


Leg Stand Materials

Fiberglass Reinforced Plastic (FRP)
Painted Carbon Steel

T-304 Stainless Steel

T-316 Stainless Steel

Cone Apex Angle

90 º

Tank Top

Closed Dome Top - This is the most frequently requested top style. The ASME Flanged & Dished design gives it the most strength without adding thickness. Each domed top comes standard with a top manhole with loose cover.
Closed Flat Top - A fixed, non-removable, flat surface. If head space is at a premium, if agitator rails are a requirement or flat walking surface is required, the Closed Flat Top may be the best choice.

Open Top with 90° Top Flanged Rim - When a Flat Cover, agitator rails or full access to the tank is required, the Open Top with 90° Top Flanged Rim option is the best choice.

Open Top with Type II Top Rim - When an open top will work and a Flat Cover and agitator rails are not required, this offers the most cost effective Flat Bottom tank design available.

Tank Head

Elevated Cone Head

Industry Standards

ASTM D-3299
ASTM D-4097

Tank Accessories (Optional)

Bolts & Gasket for Top Manholes
Hinged Covers for Top & Side Manholes

Flat Covers for Open Top Tanks
  • One Piece
  • Two Piece Hinged
  • Three Piece Hinged
1 in Clear PVC Sight Tube Assembly

Tank Top Handrail for Closed Top Tanks
  • Carbon Steel Primed
  • Carbon Steel Painted
  • FRP “Post Style”
  • FRP “Skirt Style”
  • Intermediate for Ladders Longer than 30 ft
  • Tank to Tank
  • Tank Top Work


30°, 45° & 60° Cone Angles
Flat Cover for Open Top (1 pc. / 2 pc. / 3 pc.)

FRP Skirt Support

Integral FLAT Top Head


Carbon steel primed pipe legs with floor pads
Diameters 72 in and larger are Filament Wound per ASTM D-3299

Diameters smaller than 72 in are Contact Molded per ASTM D-4097

Heavy powder coated carbon steel lifting lugs, as required for handling

Standard cone angle is 90° at the apex (Included Angle)


·  Model C-CKV Belding Cone Bottom Tanks

·  Model C-OKV Bleding Cone Bottom Tanks

·  Closed Dome Top

·  Closed Flat Top

·  Open Top with 90° Top Flanged Rim

·  Open Top with Type II Top Rim


Belding Cone Bottoms Tanks - Capacity Chart
(PDF, 76KB)