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 [1]
Fiberglass manway extensions for 3 foot standard bury depth
- Standard inside diameters are: 24" and 30"
- Stainless steel hardware and gaskets included
- Specify bury depth if other than 36 inches
- Slip-In poly plug covers available for manhole or grade box applications
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 [2]
4 inch I.D. cam-lock inspection hatch for bolted FRP covers
- Cast aluminum with brass closure arms for padlock
- Includes NPT female fitting on manway cover
- Used to visually check level without removing cover bolts
- May be used for refilling at 50 PSI maximum pressure
- May be extended vertically with a 4-inch pipe
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 [3]
30 inch I.D. fiberglass manway with easy access hinged cover
- Available only on 24" and 30" ID sizes
- Hinged overlapping "shoe box" style cover conforms to AWWA potable standards
- Includes stainless hardware and manway gasket
- Hinged cover flanges have holes for a padlock (by others)
- Specify bury depth if other than 36 inches
- Less secure than bolted design against forced entry by vandals
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 [4]
48 inch I.D. weather tight manway enclosure vault for 36 inch bury depth
- Overlapping domed dust cover with 2 stainless handles
- Chain set and lock are not included (by others if additional security is needed)
- 20 inch ID internal manway recommended for space
- Manway may be centered or offset inside enclosure to make room for tank fittings
- Some field assembly required
- Specify bury depth if other than 36 inches
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 [5]
24 and 30 inch O.D. ring collar for low cost plastic culvert manway riser pipe
- Plastic corrugated culvert pipe riser not included (by others)
- Cover at grade not included
- Commonly used on septic tanks and rain collection tanks
- Fiberglass pipe risers and plug covers are available if requested
- Caulk at joint between tank and riser for groundwater tightness
- Use locking grade box #7 for security
- Field assembly required
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 [6]
Fiberglass tank ladders with mounting brackets installed
- Standard OSHA designs
- Stainless steel hardware
- Shipped loose and must be field assembled inside tank
- Specify NSF potable water use when appropriate
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 [8]
20" x 30" polyethylene manway extension for 36 inch standard bury depth below grade
- Gray color, UV resistant
- Overlapping hinged cover with dust seal and padlock hasp
- Easy access with ample knee and shoulder room
- Tank entry opening 20" ID
- Upper portion inside diameter 30 inches at hinged cover
- Includes internal safety cover at tank entry point
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 [9]
Aluminum H-20 Ring and Cover
- Manhole assembly for concrete slabs over tanks
- Available in 30", 33.5", and 38" clear openings
- Light weight aluminum construction
- Drop down handle for easy lifting
- Rotary lock mechanism in cover
- Freight additional by common carrier
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 [16]
6 inch NST- Male dry fire hydrant for suction water supplies
- Aluminum NFPA construction with metal cap and chain lanyard
- Removable strainer plate
- 45, 90, or straight PVC fitting choice below head
- NFPA anti-vortex plate and 6 inch internal draw pipe-factory installed
- Also includes 6 inch female NPT tank fitting, PVC adapter, and PVC elbow
- PVC riser pipe by others
- Female swivel and Storz hydrant heads also available
- Some field assembly required
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 [17]
Siamese refill 2.5" X 2.5" NST with clappered female swivels
- Brass NFPA construction
- Includes top and bottom adapters for PVC riser pipe
- Includes 4" NPT tank fitting
- Refill pressure 50 PSI max.
- PVC riser pipe by others
- Some field assembly required
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 [18]
4 inch through 12 inch flanged fittings with gussets
- May be installed anywhere on tank heads or shell
- Standard ANSI 150# flat flange face and bolt pattern
- Gasket and bolts by others
- Available in standard pipe sizes through 12 inch
- Tangential shell placement at additional cost
- Consider using flexible pipeline couplings at all tank fittings
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 [19]
Anti-vortex blades in bottom suction fittings
- Used on any outlet line feeding a pump or fire hydrant
- Decreases water swirl to improve flow rate when tank nears empty
- Available on flanged or threaded fittings of all sizes
- Not NFPA approved as an anti-vortex device
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 [20]
NPT tapered fiberglass female pipe thread full and half couplings
- May be installed anywhere on tank heads or shell
- Available in standard pipe sizes through 8 inch
- Use full couplings when threads are required both inside and outside the tank
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 [21]
4 inch through 16 inch PVC stub pipe bonded through tank head or shell
- May be installed anywhere on tank heads or shell
- Tangential placement at additional cost
- Connection point for piping both inside or outside tank
- Consider using flexible pipeline couplings at all tank fittings
- Suitable for connection with a rubber ring mechanical joint (MJ) or compression fitting
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 [22]
Flat faced single hump rubber flex member for flanged fiberglass fitting applications
- Mates up with standard 150# ANSI flange and bolt pattern
- Includes one gasket & stud kit for tank side of coupling only
- Includes poly protective wrap
- Rated at 75 PSI working pressure
- Available in standard pipe flange sizes through 12 inch
- Not NSF listed but suitable for potable water applications
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 [28]
Pump mounting platform bonded to tank floor
- 24" x 24" flat fiberglass surface
- Raised 6" above floor for bolt access below platform
- Rated for 250 pound maximum pump weight
- Field drill to mount equipment or pump guide rail
- Shield tank wall when drilling downward through platform
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 [34]
Fiberglass "half round" deadman forms for on-site pouring
- 12 feet long / may be sawed down for shorter applications
- Ships along side tank on trailer
- Reuseable if oiled before pouring concrete
- Follow Darco deadman size and rebar location details in manual
- Must be fully supported with compacted soil before pouring
- Use split cardboard caisson tubes when deadmen must be poured before tank delivery
- Caisson tubes are available locally at most lumber yards
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 [35]
Anchor strap and cable kits
- Each kit contains 1 fiberglass strap with forged steel eyes or hooks at both ends
- Includes 2 Darco ratcheting strap tensioning tools (per tank)
- Includes 2 galvanized ½" steel connection cables and 6 clamps per strap assembly
- No turnbuckles are required
- Stainless cable and fabric straps are available upon request
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 [36]
Bonded 24" dia. bottom sump
- One piece - molded into tank
- 24" in diameter x 12" deep
- Suitable to locate submersible pumps weighing up to 150 pounds
- Allows complete tank volume discharge through suction pipe or pump
- Can incorporate an anti-vortex plate for NFPA suction hydrant compliance when required
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 [37]
Bolt-on 24" diameter bottom sump
- Allows complete tank volume water usage
- Often used for submersible or vertical turbine pumps
- Bolted design with 32" total depth below bottom of tank
- 24" inside diameter with tapered lower section
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