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Watertight Fiberglass Turbine Sump Packages

Available in both single and double wall configurations. Each package includes a patented watertight multiport sump shield. Our octagonal base sumps are a two-piece design eliminating the need to work in a confined space during installation. Eight flat panels are molded into the bottom section to provide 90° pipe entries. Most single wall models are available with or without bottom for various mounting options. Double wall models are only available for mounting to tank collar.

Design Highlights/Advantages

  • Constructed from rugged ¼” thick, three layer hand layup FRP with a vapor, watertight gel coat interior wall surface.
  • White gel coat interior provides a vapor, watertight barrier and superior visibility.
  • Available in 42” and 48” diameter. Sump reducers are available to fit under a 42” or 36” manhole.
  • Double wall models are shipped under vacuum with a vacuum gauge installed for verification at site of sealed interstitial.

    • Note: Two week lead time on all fiberglass parts.

Ordering Information

Model Number Reference Chart

   X/X-XX-X
  • 1) Sump Type
    • T = Turbine
    • a) Depth
    • M = Medium burial
    • D = Deep burial
    • b) Size
    • 4236 = 42” dia. base, Minimum manhole dia. 36”
    • 4836 = 48” dia. base, Minimum manhole dia. 36”
    • 4842 = 48” dia. base, Minimum manhole dia. 42"

  • 2) Watertight Shield Opening Options
    • 0/0 = Turbine cover, no openings

  • 3) Base Options
    • OB = Octagonal base with bottom
    • RC = Round collar mount base
    • OC = Octagonal collar mount base

  • 4) Interstitial Monitoring Method
    • S = Single wall, none
    • H = Hydrostatic (brine)
    • V = Vacuum


42” & 48” Single Wall Cylindrical Turbine Sumps

MODEL WALL TYPE RISER BASE DIA. MIN. MANHOLE SIZE RECOMMENDED BOTTOM
T(X)A4236-0/0-RC-S Single 42 36 2 No
T(X)A4836-0/0-RC-S Single 48 36 2 No
    Seam kits are not included. See bottom of page for part number and pricing.

42” Single & Double Wall Octagonal Turbine Sumps

MODEL WALL TYPE  OCTAGONAL BASE DIA. MIN. MANHOLE SIZE        RISER DIA. BOTTOM SEAM KITS RECOMMENDED
T(X)4236-0/0-OC-S Single 42 36 39 No 2
T(X)4236-0/0-OB-S** Single 42 36 39 Yes 1
T(X)4236-0/0-OC-H Double 42 36 39 No 4
T(X)4236-0/0-OC-V Double 42 36 39 No 4
    Seam kits are not included. See bottom of page for part number and pricing.
    **Medium bury available from both Redding, Calif., and Madison, Wis., FFS facilities.

48” Single & Double Wall Octagonal Turbine Sumps

MODEL WALL TYPE OCTAGONAL BASE DIA. MANHOLE SIZE RISER DIA. BOTTOM SEAM KITS RECOMMENDED
T(X)A4836-0/0-OC-S Single 48 36 42 No 3
T(X)A4836-0/0-OB-S Single 48 36 42 Yes 2
T(X)A4842-0/0-OC-S Single 48 42 42 No 3
T(X)A4842-0/0-OB-S Single 48 42 42 Yes 2
T(X)4836-0/0-OC-H Double 48 36 42 No 4
T(X)4836-0/0-OC-V Double 48 36 42 No 4
T(X)4842-0/0-OC-H Double 48 42 42 No 4
T(X)4842-0/0-OC-V Double 48 42 42 No 4
    Seam kits are not included. See bottom of page for part number and pricing.
    Packages include watertight sump shield, sump reducer and sump riser.