Model 8008 20 Inch Inspection Manhole
EASILY INSTALLED. LOW MAINTENANCE. ECONOMICAL. LARGE OPENING
Tiona Inspection Manholes provide quick, safe entrance and exit from your tanks. Heavy gauge metal and welded construction minimizes maintenance. Manholes are certified and marked in accordance with 49CFR178.345-5 with a test pressure of 36 psi [2.48 bar].
Product Details
| Assembly No. | Cover Plate | Clamping Ring | Clamping Bolt and Washer | Clamping Bolt Nut | Weight |
|---|---|---|---|---|---|
| 8008BX* 8008CX* 8008DX* | Steel Zinc Plt. Stnls 304 Stnls 316 | Steel Zinc Plt. Stnls 304 Stnls 304 | Steel Zinc Plt. Stnls 304 Stnls 304 | Brass Stnls 304 Stnls 304 | 21.7 lb. (9.8 kg) 22.2 lb. (10.1 kg) 22.2 lb. (10.1 kg) |
| *Replace asterisk in part number to designate gasket material. Example Assembly: 8008BXB (20” Inspection Manhole, Steel Zinc-Plated Cover, Steel Zinc-Plated Clamp Ring, Black Nitrile Buna-N gasket) |
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| Letter | Gasket Material | Temp. Range |
|---|---|---|
| B V P W T | Buna-N Viton® EPDM (White) White Hypalon PTFE Envelope w/ White Hypalon Insert | -40°F to +220°F (-40°C to +104°C) -20°F to +400°F (-29°C to +204°C) -40°F to +260°F (-40°C to +127°C) -40°F to +250°F (-40°C to +121°C) -40°F to +250°F (-40°C to +121°C) |
| *Add letters to part number to designate seal material. See material table at right for designation. "X" in assembly number designates manhole collar sold separately. Collars are available in aluminum, steel and stainless steel. Please see parts page for part numbers. During installation and welding to the tank, care should be exercised to insure collars remain flat and round. If necessary, a welding fixture should be used to prevent distortion. |
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Repair Kits and Accessories
Prop 65
WARNING: This product can expose you to chemicals including Chromium (hexavalent compounds) which is known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to: www.P65Warnings.ca.gov. For additional information on Betts products and Proposition 65 list please see: https://www.bettsind.com/prop-65/