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DURA-PERM

     UNAFLEX®  "DURA-PERM" Styles 150 and 200 Expansion Joints combine the best features of Teflon® -chemical resistance, anti-stick properties, thermal stability, and resistance to age cracking - with the best features of elastomeric expansion joints - good noise and vibration dampening, high-pressure ratings.

Temperature ratings to 400ºF are available. Joints are available in 1"to 48" I.D. in standard face-to-face dimensions, or special lengths. Also available in multiple arch configurations, or   as straight pipe.

They are recommended for use in the chemical and pulp paper industries because of their capabilities to resist corrosive attack and high temperatures and pressure.

This photograph shows the full face Teflon® liner which protects all wetted surfaces. For dimensions and working conditions refer to the chart on DIMENSIONS page

"MULTI-PURPOSE" TFE

 

DESCRIPTION:

Style 112-A

Style 113-A

      UNAFLEX® "MULTI-PURPOSE" TFE Expansion Joints Styles 112-A and 113-A are solid-molded of Teflon® and specially designed to withstand the higher pressures and temperatures in today's piping systems. Their design allows a shorter face-to-face dimension, making them ideal for installations where space limitations are a factor. They are lightweight in design and corrosion resistant. Available in sizes 1"to 12" I.D. and for temperatures ranging from -300ºF. Also available with 4, 5 and 6 arches.

* E.I. duPont Trademark.

Performance curves of working pressures
vs operating temperatures (all sizes)

EXPANSION JOINT DATA

STYLE 112-A

Nominal
Size (in.)
movement (in.)
Van Stone
O.D. (in.)
Max.Mis_
Alignment
(in.)
Shiping
Weight
(lbs.)
Liner
Length
(in.)
Neutral
Length
Max.
Travel*
1
1 5/16
3/16
2
1/8
3 1/2
1 3/4
1 1/2
1 1/2
1/4
2 7/8
1/8
5
2
2
1 7/8
1/4
3 5/8
1/8
9
2 3/8
2 1/2
1 15/16
5/16
4 1/8
1/8
11 1/2
2 1/2
3
2 7/16
5/16
5
3/16
16
3
4
2 5/8
1/2
6 3/16
1/4
19 1/2
3 3/8
5
3 1/6
11/16
7 5/16
1/4
27
4
6
2 13/16
7/16
8 1/2
1/4
32 1/2
3 1/2
8
3 11/16
13/16
10 5/8
1/4
49 1/2
4 3/4
10
4
1
12 3/4
1/4
69 1/2
5 1/4
12
4 1/8
1
15
1/4
105
5 3/8

STYLE 113-A

Nominal
Size (in.)
movement (in.)
Van Stone
O.D. (in.)
Max.Mis_
Alignment
(in.)
Shiping
Weight
(lbs.)
Liner
Length
(in.)
Neutral
Length
Max.
Travel*
1
1 13/16
7/16
2
1/4
3 1/2
2 1/2
1 1/2
2
1/2
2 7/8
1/4
5 1/2
2 3/4
2
2 3/4
3/4
3 5/8
3/8
9 1/2
3 3/4
2 1/2
3
1
4 1/8
3/8
12
4 1/4
3
3 5/8
1
5
1/2
16 1/2
4 7/8
4
3 3/4
1 1/8
6 13/16
1/2
21 1/2
5 1/8
5
4
1
7 5/16
1/2
29 1/2
5 1/4
6
4
1 1/8
8 1/2
9/16
34 1/2
5 3/8
8
5 7/16
1 11/16
10 5/8
9/16
52 1/2
7 1/2
10
5
1 3/8
12 3/4
5/16
71 1/2
6 5/8
12
5 1/4
1 3/8
15
5/16
110
6 7/8
TWO
CONVOLUTIONS
1" to 6"- 375ºF
8" to 10"- 250ºF

VACUUM SERVICE
MAXIMUM TEMPERATURE FOR FULL VACUUM (29.9"HG.)

THREE
CONVOLUTIONS
1" to 4" - 375ºF
5" to 6" - 300ºF
8" to 10" -125ºF

 

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