Tank Collars

PCI tank collars remain one of the most dependable foundations for tank sump installation. Made from 100 percent fiberglass, they provide a rigid, stable mount while supporting personnel entering and exiting the sump. PCI’s traditional tank collars—pre-cut for 4’, 5’, 6’, 7’, 8’, 10’, and 12’ tanks and compatible with fiberglass, steel, and jacketed tanks—are still fully supported and available upon request for customers who prefer the classic design.

CLS Series Tank Collar
The CLS Series Tank Collar is PCI’s latest advancement in secondary containment. Offered exclusively in a 42″ model, the CLS uses closed-mold construction to deliver consistent wall thickness, smooth surfaces, and a precise factory-cut fit that reduces field variability. An integrated U-shaped epoxy trough forms a seamless, watertight bond, eliminating weak points and speeding installation. Its nestable, stackable design improves logistics, lowers freight costs, and saves warehouse space.

Built for Performance—Whichever Model You Choose
Both CLS and legacy collars are made from corrosion-resistant, 100% fiberglass for long-term durability. Their smooth surfaces ensure clean installations, and the rigid construction resists warping, cracking, and brittleness—providing reliable secondary containment for years to come.

100% Fiberglass

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

Double Wall Options Available

Available in double wall for a variety of monitoring options to satisfy local regulations and requirements. From dry fluid or fluid filled interstitial to vacuum interstice monitoring, PCI has all options to best fit your installation and compliance needs.

Dimensions

Single Wall	Double Wall	Description	ID	OD	Height
42″ Round Tank Collars
4206CL-5	CLDW4206-5	42″ Tank Collar, Fits 5′ Tanks	40.5″	45.2”	15.5”
4206CL-6	CLDW4206-6	42″ Tank Collar, Fits 6′ Tanks	40.5″	44.9”	13.1”
4206CL-7	CLDW4206-7	42″ Tank Collar, Fits 7′ Tanks	40.5″	44.7”	11.7”
4206CL-8	CLDW4206-8	42″ Tank Collar, Fits 8′ Tanks	40.5″	44.6”	10.8”
4206CL-9	CLDW4206-9	42″ Tank Collar, Fits 9′ Tanks	40.5″	44.5”	10.1”
4206CL-10	CLDW4206-10	42″ Tank Collar, Fits 10′ Tanks	40.5″	44.5”	9.5”
4206CL-12	CLDW4206-12	42″ Tank Collar, Fits 12′ Tanks	40.5″	44.4”	8.8”
48″ Round Tank Collars
4806CL-5	CLDW4806-5	48″ Tank Collar, Fits 5′ Tanks	47″	51.7”	20”
4806CL-6	CLDW4806-6	48″ Tank Collar, Fits 6′ Tanks	47″	51.2”	15.9”
4806CL-7	CLDW4806-7	48″ Tank Collar, Fits 7′ Tanks	47″	51”	13.9”
4806CL-8	CLDW4806-8	48″ Tank Collar, Fits 8′ Tanks	47″	50.8”	12.5”
4806CL-9	CLDW4806-9	48″ Tank Collar, Fits 9′ Tanks	47″	50.7”	11.6”
4806CL-10	CLDW4806-10	48″ Tank Collar, Fits 10′ Tanks	47″	50.6”	10.9”
4806CL-12	CLDW4806-12	48″ Tank Collar, Fits 12′ Tanks	47″	50.5”	9.8″

Part No.	Description
42” x 42” Square Collar
CL4242-5	42×42” Square Collar, Fits 5′ Tanks
CL4242-6	42×42” Square Collar, Fits 6′ Tanks
CL4242-7	42×42” Square Collar, Fits 7′ Tanks
CL4242-8	42×42” Square Collar, Fits 8′ Tanks
CL4242-9	42×42” Square Collar, Fits 9′ Tanks
CL4242-10	42×42” Square Collar, Fits 10′ Tanks
CL4242-12	42×42” Square Collar, Fits 12′ Tanks
48” x 48” Square Collar
CL4848-5	48×48” Square Collar, Fits 5′ Tanks
CL4848-6	48×48” Square Collar, Fits 6′ Tanks
CL4848-7	48×48” Square Collar, Fits 7′ Tanks
CL4848-8	48×48” Square Collar, Fits 8′ Tanks
CL4848-9	48×48” Square Collar, Fits 9′ Tanks
CL4848-10	48×48” Square Collar, Fits 10′ Tanks
CL4848-12	48×48” Square Collar, Fits 12′ Tanks