Contact Us

EPM, Inc.
112 W Burke St.
Stockbridge, GA 30281
800-659-5050
sales@epm.com

Phones and Fax Numbers

Call Free in the US: 800.659.5050
Local & International: 770.389.0501
Fax U.S: 888.353.7325
Fax Local & International: 770.389.0652
Envelope PTFE Gaskets 2016-12-29T09:16:41+00:00

Envelope PTFE Gaskets

For glass-lined steel pipe flanges, nozzles, manways and clamp tops.

RING GASKETS

Slit or machined envelope type.

mach_envel_cwa
slit_envel_cwa

Slit Envelope
(CLT or CWA filler)

Machined Envelope
(CLT or CWA filler)
slit_envelo_crt
mach_envelo_crt

Slit Envelope
(CRT filler)

Machined Envelope
(CRT filler)
Filler Materials Availabletef_dia2
• CLT…….clt
Compressed asbestos with felted asbestos on each side.CRT……crt
Corrugated steel with felted asbestos on each side.

CWA…..cwa
Compressed asbestos with woven asbestos on each side.

Available Sizes

 


NOMINAL SIZE

I.D.

CRT
O.D.

CLT/CWA
O.D.

NOMINAL SIZE

I.D.

CRT
O.D.

CLT/CWA
O.D.

1/2″

1/2″

1 7/8″

1 7/8″

14A”

14

17

17

3/4″

3/4″

2 1/4″

2 1/4″

14B”

14


17 1/2

1″

1″

2 1/2″

2 1/2″

14 1/2″

15 3/4″

19

19

1 1/2″

1 1/2″

3 3/8″

3 3/8″

16″

16″

19

19 1/2

2″

2″

4″

4″

16A”

16″


19

3″

3″

5 3/8″

5 3/8″

18″

18″

21

23

3 1/4″

3 1/4″


5 3/8″

18A”

18″

23

21 1/2

4″

4″

6 1/2″

6 1/2″

18B”

18″


21

5″

5″

7 1/2″

7 1/2″

20″

20″

23

23 1/2

6″

6″

8 1/2″

8 1/2″

20A”

20″

23 1/2

23

8″

8″

10 1/2″

10 1/2″

20B”

20″


22 1/2

10″

10″

13″

13″

22″

22″

25

25

12″

12″

15 1/2″

15 1/2″

22A”

22″


25 1/2

12A”

12″

15″

15″

24″

24″

28

27

14″

14″

16 1/2″

16 1/2″

24A”

24″

27

27

For gasket sizes over 24″ please contact us.
(Outside diameters are smaller than ANSI ring gasket standards on some sizes.)
All sizes available with 3/16″ or 3/8″ thick fillers.

ELLIPTICAL MANWAY GASKETS
Designed to fit Pfaudler or similar elliptical openings. Other elliptical configurations available upon receipt of templates. Formed type shield F with CLT, CRT, or CWA fillers same as offered on ring gaskets above. Standard ellipses are supplied unless otherwise specified. Please supply paper template to be certain of proper fit on gaskets ordered. When ordering elliptical gaskets, unless a template is supplied, please supply inside gasket length and width (ID), flange width and filler thickness and type (CLT, CRT, CWA).
form_envelo_cwa
tef_dia3

Formed Envelope
(CLT or CWA filler)
form_envelo_crt

Formed Envelope
(CRT filler)
Available Sizes

 


INSIDE
DIAMETER

FLANGE
WIDTH

FILLER
THICKNESS

12″ x 16″

1 3/4″ – 2″ – 2 1/4″

3/16″ & 3/8″

13″ x 17″

1 3/4″ – 2 – 2 1/4″

3/16″ & 3/8″

14″ x 18″

1 3/4″ – 2 – 2 1/4″

3/16″ & 3/8″