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New 1250 Gallon Elliptical Tank

New 2600 & 3000 Gallon Water Only Tanks

New 70 & 120 Gallon Stackable Totes

Septic/Cistern Tank Accessories

Den Hartog Industries' exclusive Secure-Seal Septic & Cistern Accessories provide a safe and reliable way to secure your tank and protect your family, health, property, and investment.

Secure-Seal

Access Extensions and Covers are custom roto-molded using high-density polyethylene with U.V. inhibitors. They feature a stop-bead and backup dam along with a custom Nitrile rubber gasket to ensure a water-tight seal. Secure seals prevent contents from escaping tank and prevent excess rainwater from entering and flooding tank. This protects both your drinking water and your property!

Locking Design

All covers and extensions lock onto the tank body and to each other using three bayonet keys. Nylon ties can be used to lock covers through the locking ears without using metal fasteners that can corrode and fail. Locking your tank prevents unauthorized access and accidents.  Ace Roto-Mold's Secure-Seal accessories keep your family, health, property, and investment safe and secure.

Functions

Two different sizes of Access Extensions can raise the height of your cover in combinations of 7" and 16", up to a maximum burial depth of 36". Extensions feature a flat round boss on two sides to facilitate fitting installation or pump-mounting. Risers are 8" in diameter and almost 24" high from the top of the access cover. Risers provide convenient access for inspectors and the cap can be secured with a nylon tie. Access covers are large enough for easy pump-out and are available in black, white, or green.

Internal Accessories

Ace Roto-Mold's heavy-duty divider panels include three sections and can easily convert a one-compartment tank into a two-compartment tank by being inserted into any rib of the tank. The exclusive tank baffle system slows the flow of wastewater and directs it to the middle of the tank so wastewater can separate from solids. An outlet baffle allows the partially treated liquids to flow out for further treatment. State-specific internal plumbing kits are available to meet local requirements.

View product specifications below

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View technical drawings by clicking on the part number below. Install free Adobe Acrobat Reader.

Septic Tank Accessories
PART NO
DESCRIPTION
WEIGHT
DIMENSIONS
7" Access Extension - Black
13
32.5 x 13.5
16" Access Extension - Black
35
32.5 x 16
16" Access Extension - Green
35
32.5 x 16
24" Access Cover - Black
17
32.5 x 8
24" Access Cover - Green
17
32.5 x 8
8" Riser and Lid - Black
20
32.5 x 29
AST10078
4" Sanitary Gasket
1
4.00 ID x 8 OD
AST10084
4" Sch. 40 Gasket
1
4.25 ID x 8 OD
AST19256
4" Gasket Retainer w/ Hardware
1
Divider Panel Assembly for 1000 gal w/ Hardware
46
Divider Panel Assembly for 1250/1500 gal w/ Hardware
46
AST18000-xx
Internal Plumbing Kit


Cistern Tank Accessories

View technical drawings by clicking on the part number below. Install free Adobe Acrobat Reader.

PART NO
DESCRIPTION
WEIGHT
DIMENSIONS
7" Access Extension - White
13
32.5 x 13.5
16" Access Extension Assembly- White
35
32.5 x 16
24" Access Cover- White
14
32.5 x 8
8" Riser and Lid- White
20
32.5 x 29


Den Hartog Industries, Inc.
4010 Hospers Drive South, PO Box 425 Hospers, Iowa 51238 712-752-8432
sales@denhartogindustries.com | www.denhartogindustries.com
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