Double Wall Tank Sumps

PCI’s Double Wall fiberglass tank sumps come in a variety of sizes so they can be used with a variety of monitoring and testing options to satisfy local regulations.

Interstitial Monitoring
PCI’s double wall tank sumps allow for periodic or continuous interstitial monitoring to detect liquid. Continuous monitoring eliminates the need for integrity tests.

Compatible Testing
Our double wall tank sumps are compatible with the following testing methods:
• Dry Interstitial
• Vacuum Monitored
• Fluid Filled

VPH Compliant

Shipped Under Vacuum
Before shipping, Double wall tank sumps are pre-tested and shipped under vacuum with the vacuum gauge installed for verification of sealed interstitial space.

Standard Features

100% Fiberglass

100% high-quality, non-corrosive fiberglass provides long-term reliable containment from fuel exposure without voiding warranty, warping, cracking or becoming brittle.

Duo-Molded Technology

Our fiberglass sumps utilizes Duo-Molded Technology. Using premium raw materials with a high glass content, we create two layers of fiberglass, offering superior strength and fuel resistance.

Brite-White Interior

Our signature ‘Brite-White’ interior reflects light for better visibility and makes identifying leak points easier.

Twist-Lok Access Cover

PCI’s tank sumps come standard with the latest generation of our innovative ‘Twist-Lok’ Access Cover. Constructed from injection molded fiberglass, Twist-Lok lids provide a watertight seal with a quick and easy 12º turn.

PCM DOUBLE WALL OCTAGON TANK SUMPS DIMENSIONS

Part No.	Collar Diameter	Base Height (A)	Adjustable Height(B)	Overall Height (C)
PCMDW4250	42″	21″	0″ – 18″	32″ – 50″
PCMDW4850	48″	18″	0″ – 21″	29″ – 50″
Options (Example: PCMDW4850-3C9)
-3C9	Collar Mount, (x2) E148CM Epoxy Kit** & (x2) GK-42 Fiberglass Kits

TSM DOUBLE WALL TANK SUMPS DIMENSIONS

Part No.	Width	Base Height (A)	Adjustable Height(B)	Overall Height (C)
TSMDW484836B	18”	4″ – 18″	32″ – 46″	48″
TSMDW484848D	30″	4″ – 18″	44″ – 58″	48″
TSMDW606048D	30″	4″ – 18″	44” – 58”	60”
TSMDW606060D	30”	4” – 18”	44” – 70”	60”
TSMDW484836BU	18”	4” – 18”	38” – 52”	48”
TSMDW484848DU	30”	4” – 18”	44” – 64”	48”
TSMDW606048DU	30”	4” – 18”	44” – 64”	60”
TSMDW606060DU	30”	4” – 30”	44” – 76”	60”
Options (Example: TSMDW606048D-3C9)
-3C9	Collar Mount, (x2) E148CM Epoxy Kit & (x2) GK-42 Fiberglass Kits

ADDITIONAL ACCESSORIES (ORDERED SEPARATELY)

Part No.	Description
EQP-DW-VAC	Vacuum Kit (Required for all Double Wall Sumps)
EQP-IF-5GAL	Interstitial Fluid, 5 Gallons (Required for Double Wall Sumps with Fluid Filled Interstice)
EQP-IF-ADP-PC	Interstitial Fluid Adapter Kit (Required for Double Wall Tank & Below Grade Transition Sumps)
Varies	Double Wall Tank Collars

Optimum lid height is 4″ below manhole cover

Click to enlarge

Downloads

Brochure Installation Instructions

Approvals

UL® Listed 2447

California Code of Regulation Title 23, Division 3, Chapter 16, Section 2631 (AB 2481/ California VPH)

State of Floria Department of Environmental Protection Approved / Registered Storage Tank System: EQ-203