The Metraflex Company Corporate
2323 W. Hubbard St.
Chicago, IL 60612
Phone: 1-312-738-3800 • Fax: 1-312-738-0415
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Model-PG-PRE_primary
Unit of Measure
1 2 3 

Item #

Pipe Size

Insulation Thickness

Centerline to Base

Top to Base

Outside Housing Diameter

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PGPRE280400 N/A 4 N/A 2 in N/A 7 in N/A 13 3/8 in N/A 14 1/8 in
PGPRE280500 N/A 5 N/A 2 in N/A 7 in N/A 13 3/8 in N/A 14 1/8 in
PGPRE290150 N/A 1 1/2 N/A 4 in N/A 7 7/8 in N/A 15 1/8 in N/A 16 1/8 in
PGPRE290200 N/A 2 N/A 4 in N/A 7 7/8 in N/A 15 1/8 in N/A 16 1/8 in
PGPRE290400 N/A 4 N/A 3 in N/A 7 7/8 in N/A 15 1/8 in N/A 16 1/8 in
PGPRE290600 N/A 6 N/A 2 in N/A 7 7/8 in N/A 15 1/8 in N/A 16 1/8 in
PGPRE300250 N/A 2 1/2 N/A 4 in N/A 8 7/8 in N/A 17 in N/A 19 1/8 in
PGPRE300300 N/A 3 N/A 4 in N/A 8 7/8 in N/A 17 in N/A 19 1/8 in
PGPRE300500 N/A 5 N/A 3 in N/A 8 7/8 in N/A 17 in N/A 19 1/8 in
PGPRE300600 N/A 4 N/A 4 in N/A 8 7/8 in N/A 17 in N/A 19 1/8 in
PGPRE300800 N/A 8 N/A 2 in N/A 8 7/8 in N/A 17 in N/A 19 1/8 in
PGPRE310500 N/A 5 N/A 4 in N/A 9 3/4 in N/A 18 3/4 in N/A 20 1/8 in
PGPRE310600 N/A 6 N/A 4 in N/A 9 3/4 in N/A 18 3/4 in N/A 20 1/8 in
PGPRE310800 N/A 8 N/A 3 in N/A 9 3/4 in N/A 18 3/4 in N/A 20 1/8 in
PGPRE311000 N/A 10 N/A 2 in N/A 9 3/4 in N/A 18 3/4 in N/A 20 1/8 in
PGPRE320800 N/A 8 N/A 4 in N/A 10 7/8 in N/A 21 in N/A 22 1/8 in
PGPRE321000 N/A 10 N/A 3 in N/A 10 7/8 in N/A 21 in N/A 22 1/8 in
PGPRE321200 N/A 12 N/A 2 in N/A 10 7/8 in N/A 21 in N/A 22 1/8 in
PGPRE321400 N/A 14 N/A 1.5 in N/A 10 7/8 in N/A 21 in N/A 22 1/8 in
PGPRE331000 N/A 10 N/A 4 in N/A 12 1/8 in N/A 23 1/8 in N/A 24 1/8 in
PGPRE331200 N/A 12 N/A 3 in N/A 12 1/8 in N/A 23 1/8 in N/A 24 1/8 in
PGPRE331400 N/A 14 N/A 2 in N/A 12 1/8 in N/A 23 1/8 in N/A 24 1/8 in
PGPRE331600 N/A 16 N/A 1.5 in N/A 12 1/8 in N/A 23 1/8 in N/A 24 1/8 in
PGPRE341200 N/A 12 N/A 4 in N/A 13 in N/A 25 in N/A 26 1/8 in
PGPRE341400 N/A 14 N/A 3 in N/A 13 in N/A 25 in N/A 26 1/8 in
Unit of Measure
1 2 3