Transition Sumps

 

FlexWorks Above-Grade / Below-Grade Transition Sumps.

Features & Benefits
Model PSTF-4630 Transition Sump (Fiberglass Sump/Fiberglass Top)
  • Large, injection-molded FRP containment chambers are stackable for convenient shipping and storage
  • Removable FRP top allows maximum access during installation of fittings and equipment, and provides a rigid entry fitting area adjacent to the cover for vertical entry of above-grade piping
  • The PSTF-4630 is not adjustable, but FRP Sump Height Extenders (DSFE-4612) are available for the PSTF-4630 to accommodate deeper bury applications
Model PST-4630 Transition Sump (Polyethylene Sump/Fiberglass Top)
  • Large, heavily ribbed polyethylene containment chamber provides structural rigidity
  • Adjustable to a minimum of 26"
Model PST-5030 One-Piece Polyethylene Transition Sump
  • Flat entry fitting area extending from the sump base accommodates vertical pipe entries
  • Heavily ribbed riser provides strength and rigidity
  • Adjustable to a minimum of 29"

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    Ordering Information
      Model # Application Height Weight
    in cm lbs kg 
    PSTF-4630 Fiberglass Transition Sump with Fiberglass Top 39 99 90 41
    PST-4630 Poly Transition Sump with Fiberglass Top 42 107 100 45
    PST-5030 One Piece Poly Transition Sump with Poly Top, 38" x 50" 38 97 100 45
    PTS-4021 Two-Piece Poly Transition Sump with Poly Top 46.5 118 110 49

    Model PSTF-4630 Transition Sump (Fiberglass Sump/Fiberglass Top)

    Model PST-4630 Transition Sump (Polyethylene Sump/Fiberglass Top)

    Model PST-5030 One-Piece Polyethylene Transition Sump

    Technical Information

    Catalog Page

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    Below Ground Fuel Compatibility Matrix

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    Item Description
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    PSTF-4630 Fiberglass Transition Sump with Fiberglass Top
    PST-4630 Poly Transition Sump with Fiberglass Top
    PST-5030 One Piece Poly Transition Sump with Poly Top, 38" x 50"
    PTS-4021 Two-Piece Poly Transition Sump with Poly Top
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