BULLETIN TFE-20-4
MASON/MERCER EXPANSION JOINTS
9
106
800
Series
Mercer Series 800 PTFE Teflon® Expansion
Joints are the Sure and Economical Way to
Solve Difficult Expansion and Misalignment
The Teflon
®
material is corrosive-proof, chemically inert and
does not age. Flexibility and flex cycle life is equally exceptional.
The Teflon
®
body is formed over the full sealing face of the flang-
es eliminating the need for separate gaskets. The fluid or gas
never contacts the floating flanges.
The Series 800 is manufactured in 2, 3 and 5 arch variations
designated 802, 803 and 805. Flexibility and allowable
movements increase with the number of arches. Teflon
®
is
ideally suited to the following problems:
Handling Nitric or Sulfuric acid in mining or plating
operations
• P roviding low spring rates and high flexibility to protect
fragile FRP, PVC or glass pipe from damage caused by
expansion, contraction or ambient vibration
Accommodating expansion and contraction in high
temperature (to 350°F, 177°C) caustic green, white and
black liquor lines in pulp mills
• P reventing pipe line vibration from damaging glass linings
in acid and caustic soda pumps
P roviding flexibility to prevent flange leaks caused by the
minor explosions in lines from Chlorine generators in
bleaching plants of paper mills
Providing non-contaminating, sterilizable, flexible
connectors for the food processing, medical, and chip
manufacturing industries
The standard assembly utilizes high strength carbon steel
flanges complete with three restraining bolts. The Teflon
®
is
reinforced externally with stainless steel rings between arches.
They are also available with stainless steel flanges and stainless
steel hardware. There is a Mercer Series 800 Teflon
®
Expansion
Joint to suit your needs.
 ARCH
Style 802
 ARCH
Style 803
 ARCH
Style 805
STYLE  SERIES
MAXIMUM PRESSURE RATINGS
Pipe Size
Maximum Pressure Ratings
up to 100°F (38°C)
802 803/805
(in) (mm) (psig) (kg/cm
2
) (psig) (kg/cm
2
)
1 25 140 9.8 100 7.0
1
1
/2 40 140 9.8 100 7.0
2 50 140 9.8 100 7.0
2
1
/2 65 140 9.8 100 7.0
3 80 140 9.8 100 7.0
4 100 130 9.1 100 7.0
5 125 130 9.1 90 6.3
6 150 120 8.4 90 6.3
8 200 110 7.7 85 6.0
10 250 110 7.7 85 6.0
12 300 110 7.7 85 6.0
MERCER TEFLON
®
EXPANSION JOINTS
Distributor:
Interflex Hose & Bellows Ltd.www.interflex.co.uk
Ludlow Eco Park • Ludlow • Shropshire • SY8 1FF • UK
Tel.: +44 (0)1584 878500 • Email: enquiries@interflex.co.uk
*Teflon is a trademark of E.I.DuPont Nemours & Co.
BULLETIN TFE-20-4
MASON INDUSTRIES | MASON-IND.COM
9
107
STYLE  DIMENSIONS
DIMENSIONS AND ALLOWABLE MOVEMENTS
Two Convolution
Teflon® Body
Three Convolution
Teflon® Body
FACE
to
FACE
Five Convolution
Teflon® Body
Stainless
Reinforcing Ring
Stainless
Reinforcing Ring
D” Overall Flange
Diameter
D” Overall Flange
Diameter
Callouts from 803
apply to 802 as well
Face
to
Face
Face
to
Face
Carbon Steel or
Stainless Steel Flange
Jam Nuts
& Washer
Nylon Grommet
Control Rod
Jam Nuts &
Washer
Control Rod with
Anti-Squirm Guides
Tapped Holes
Tapped Holes
Carbon Steel or
Stainless Steel Flange
Nylon Grommet
All joints are full vacuum rated up to 100°F (38°C)
All joints are full vacuum rated up to 100°F (38°C)
All joints are full vacuum rated up to 100°F (38°C)
Size
Flange
Dia. D
Face
to Face
Axial
±
Max
Misalignment
(in) (mm) (in) (mm) (in) (mm) (in) (mm) (in) (mm)
1 25 6 152 2
3
/8 60
1
/4 6
1
/8 3
1
1
/2 40 6
3
/4 172 2
3
/8 60
1
/4 6
1
/8 3
2 50 8
1
/8 206 2
3
/8 60
1
/4 6
1
/8 3
2
1
/2 65 9
3
/8 238 2
3
/8 60
3
/8 9
1
/8 3
3 80 10
254
3
1
/2 89
3
/8 9
1
/8 3
4 100 11
1
/8 286 3
1
/2 89
1
/2 13
1
/8 3
5 125 13 330 3
1
/2 89
1
/2 13
1
/8 3
6 150 14 356 4 102
1
/2 13
1
/8 3
8 200 16
1
/4 413 4 102
1
/2 13
1
/8 3
10 250 19 483 6 152
1
/2 13
1
/8 3
12 300 22
1
/2 572 6 152
1
/2 13
1
/8 3
STYLE  DIMENSIONS
DIMENSIONS AND ALLOWABLE MOVEMENTS
Size
Flange
Dia. D
Face
to Face
Axial
±
Max
Misalignment
(in) (mm) (in) (mm) (in) (mm) (in) (mm) (in) (mm)
1 25 6 152 3
1
/4 83
1
/2 13
1
/4 6
1
1
/2 40 6
3
/4 172 3
1
/4 83
1
/2 13
1
/4 6
2 50 8
1
/8 206 3
1
/4 83
1
/2 13
1
/4 6
2
1
/2 65 9
3
/8 238 3
1
/4 83
3
/4 19
1
/4 6
3 80 10 254 4 102
3
/4 19
1
/4 6
4 100 11
1
/8 286 4 102 1 25
1
/4 6
5 125 13 330 4 102 1 25
1
/4 6
6 150 14 356 4
1
/2 114 1 25
1
/4 6
8 200 16
1
/4 413 6 152 1
1
/8 29
1
/4 6
10 250 19 483 6 152 1
1
/8 29
1
/4 6
12 300 22
1
/2 572 7 178 1
1
/8 29
1
/4 6
STYLE  DIMENSIONS
DIMENSIONS AND ALLOWABLE MOVEMENTS
Size
Flange
Dia. D
Face
to Face
Axial
±
Max
Misalignment
(in) (mm) (in) (mm) (in) (mm) (in) (mm) (in) (mm)
1 25 6 152 4 102
3
/
4
19
1
/
4
6
1
1
/2 40 6
3
/4 172 4 102
3
/4 19
1
/4 6
2 50 8
1
/8 206 4 102 1 25
1
/4 6
2
1
/
2
65 9
3
/
8
238 4 102 1 25
1
/
4
6
3 80 10 254 5 127 1 25
1
/4 6
4 100 11
1
/8 286 5 127 1
1
/4 32
1
/4 6
5 125 13 330 6 152 1
1
/
4
32
1
/
4
6
6 150 14 356 6 152 1
1
/
4
32
1
/
4
6
8 200 16
1
/4 413 8 203 1
3
/4 44
1
/4 6
10 250 19 483 8 203 1
3
/4 44
1
/4 6
12 300 22
1
/2 572 9 229 2 51
1
/4 6
 ARCH
Style 802
 ARCH
Style 803
 ARCH
Style 805
Distributor:
Interflex Hose & Bellows Ltd.www.interflex.co.uk
Ludlow Eco Park • Ludlow • Shropshire • SY8 1FF • UK
Tel.: +44 (0)1584 878500 • Email: enquiries@interflex.co.uk