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Rubber Fab Tuf-Flex®

Rubber Fab’s Tuf-Flex® sanitary gasket is the world’s only unitized gasket, and is setting new standards for purity, performance and flexibility. Tuf-Flex® is specifically designed to meet critical requirements in pharmaceutical, biotechnology, ultrapure water, WFI (water-for-injection).

Because Tuf-Flex® will not impart taste or odor, Tuf-Flex® is your ideal gasket for the Food & Beverage Industry!

Tuf-Flex® Temperature Rating
-20°F to 300°F

  • Effective seal
  • Patented welding process produces large gaskets without dovetailed joints that permit leakage
  • GYLON® material provides excellent chemical resistance of PTFE without creep relaxation and cold flow problems
  • Versatile
  • Available in cut gasket form only
  • Styles 3500, 3504, and 3510 can be welded using this unique process
  • Ideal for corrosive applications with extra large flanges

Size

Part Number

Gasket I.D

Gasket O.D.

Bead Center

1/2″

A42MPGR-TF-050-E

.380

.86

n/a

3/4″

A42MPGR-TF-075-E

.620

.86

n/a

1″

A40MPGR-TF-100-E

.900

1.984

1.718

1-1/2″

A40MPGR-TF-150-E

1.400

1.984

1.718

2″

A40MPGR-TF-200-E

1.900

2.515

2.218

2-1/2″

A40MPGR-TF-250-E

2.400

3.050

2.781

3″

A40MPGR-TF-300-E

2.900

3.579

3.281

4″

A40MPGR-TF-400-E

3.869

4.682

4.344

6″

A40MPGR-TF-600-E

5.817

6.507

6.156

8″

A40MPGR-TF-800-E

7.80

8.56

8.15

10″

A40MPGR-TF-1000E

9.74

10.55

10.12

12″

A40MPGR-TF- 1200-E

11.74

12.56

12.17

*Consult Factory for Tuf-Flex® Din/ISO & IDF Dairy gasket part numbers

Achieve higher performance under SIP/CIP Conditions:

  • Uniting the flexibility of an elastomer with the chemical resistance of PTFE
  • Seats perfectly
  • Superior resistance to cold flow and creep
  • Minimal thermal expansion
  • Outstanding service life
  • Exceptional flexibility

 

Rubber Fab Tuf-Flex®

Rubber Fab Tuf-Flex®

Tuf-Flex® GASKET COMPARISON

Rubber Fab Tuf-Flex®
TYPE 1

A Solid PTFE Type I Gasket is guaranteed to fail in SIP conditions. They will creep, cold flow and leak at delta T.

Rubber Fab Tuf-Flex®
TYPE III ENVELOPE

The Envelope Gasket construction provides inconsistent results between the two materials. It will also creep, cold flow and leak over time.

Rubber Fab Tuf-Flex®
Tuf-Flex®

The PTFE grafted elastomer in a Tuf-Flex sanitary gasket will maintain I.D. without re-torquing or leaking.

Rubber Fab Tuf-Flex®
Available in IDF:
(International Dairy Fitting)
Rubber Fab Tuf-Flex®
Also available in DIN/ISO Metric Sizes

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Rubber Fab Tuf-Flex®

Technical Resources