Model 8020 20 Inch Inspection Manhole with 10 Inch Fill

MODERN DESIGN. CLEAN LINES. LOW COST

Note: Not legal for DOT specification tanks.

Combining all the features of all full 20” manhole opening for inspection PLUS the 10” fill cap, Tiona Model No. 8020 is a real 2-in-1 value, offering both inspection and loading features in one husky unit. We pay more for top quality material but furnish it as standard equipment at competitive prices. Secondary Latch is standard on all assemblies.

FVA prefix includes 6238AL normal vent
SPA prefix includes 3006AL vac. vent.
SPS prefix includes 3006SS vac. vent.
SVS prefix includes 6022SS breather vent.
VPA prefix includes Vent Plug Aluminum.
VPB prefix includes Vent Plug Zinc Plt. Steel.
VPD prefix includes Vent Plug 316 Stainless.

Part List

Product Details

Assembly No.Cover Plate, Fill Gasket Retainer, Shim WasherClamping Ring, Fill Cover, Strongback, LatchClamping Bolt and WasherClamping Bolt NutVentWeight
FVA8020SXB
FVA8020BXB
FVA8020GXB
FVA8020CXB
FVA8020DXB
Steel
Steel Zinc Plt.
Stnls 304*
Stnls 304
Stnls 304
Steel
Steel Zinc Plt.
Steel Zinc Plt.
Stnls 304
Stnls 304**
Steel Zinc Plt.
Steel Zinc Plt.
Steel Zinc Plt.
Stnls 304
Stnls 304
Brass
Brass
Brass
Stnls 304
Stnls 304
Aluminum
Aluminum
Aluminum
Aluminum
Aluminum
26.5
26.5
27.0
27.0
27.0
*Fill Gasket Retainer and Shims-Aluminum **Fill Cover Material-Stainless 316

NOTE: Inspection manhole assemblies, as listed above, have a 6238AL vent (prefix "FVA") and Buna-N gaskets (suffix "B").
For variation or additional vents see catalog Section 95 for proper prefix or assembly number. For variation in gasketing change last letter of suffix as follows.
Suffix "V" indicates Viton gasket
Suffix "W" indicates White Hypalon gasket
Suffix "T" indicates Teflon fill and collar gasket w/ White Hypalon backer
Manhole collars are available in aluminum, steel, and stainless steel. Please see parts page for correct numbers. When welding collars to tank, exercise care to insure collar remains flat and round.

Repair Kits and Accessories


Weld Collar and Gasket options