BULLETIN 300-MR4
MASON INDUSTRIES | MASON-IND.COM
9
81
SERIES   
MATERIAL AVAILABILITY
& OPERATING TEMPERATURES
Series
300 &
310
Standard Materials
Max.
Oper.
Tube Cover Temp.
B Butyl Butyl 250°F
E EPDM EPDM 250°F
H Hypalon
®
Hypalon
®
225°F
HN Hypalon
®
Neoprene
225°F
N Neoprene Neoprene 225°F
NH Neoprene Hypalon
®
225°F
Ni Nitrile Nitrile 210°F
NiN Nitrile Neoprene
210°F
NR Neoprene Natural 225°F
R Natural Natural 180°F
RN Natural Neoprene 180°F
V Viton
®
Viton
®
250°F
 ARCH
Style 301 & 311 Expansion Joints
Food Grade Rubber Available.
See next page for Dimensions, Allowable Movements and Pressures.
IMPORTANT
Since sleeve type expansion joints cannot be readily protected with
control rods, it is imperative that piping be axially aligned, properly
guided and properly anchored.
Periodic tightening of clamps may be necessary.
Stainless Steel Wormdrive
Clamp to Secure Expansion
Joint to Piping
1
/
8
" Thick
Leakproof Tube
Multiple Ply Fabric
Reinforcement
Protective Cover
Resilient Arch
Soft Ends for
Clamping
Coating of Hypalon
®
Paint
 ARCH
Style 302 & 312
 ARCH
Style 303 & 313
 ARCH
Style 304 & 314
300 – S TANDARD PRESSURE, LOW VACUUM
310 – H IGH PRESSURE, HIGH VACUUM
MERCER SLEEVE TYPE
EXPANSION JOINTS
300 & 310
Series
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
MASON/MERCER EXPANSION JOINTS
BULLETIN
300-MR4
9
82
 ARCH
Style 301 & 311
 ARCH
Style 302 & 312
Allowable Movements
Rated Working
Pressure (psi)
Vacuum Rating
(in Hg)
Mercer
Size*
Face to
Face
Axial
Compression
Axial
Extension
Lateral
Deflection
(in) (in) (in) (in) 301 311 301 311
1
1
/2 6 1
3
/4
7
/8 1 90 140 15 30
2 6 1
3
/4
7
/8 1 90 140 15 30
2
1
/2 6 1
3
/4
7
/8 1 90 140 15 30
3
6
1
3
/4
7
/8 1 90 140 15 30
4 6 1
3
/4
7
/8 1 90 140 15 30
5 6 1
3
/4
7
/8 1 50 125 15 30
6 6 1
3
/4
7
/8 1 50 125 15 30
8 6 1
3
/4
7
/8 1 25 125 15 30
10 6 1
3
/4
7
/8 1 25 125 15 30
12 6 1
3
/4
7
/8 1 25 125 15 30
14 8 2
1
/8 1 1
1
/4 20 90 15 30
16 8 2
1
/8 1 1
1
/4 20 90 15 30
18 8 2
1
/8 1 1
1
/4 15 90 15 30
20 8 2
1
/8 1 1
1
/4 15 70 15 30
22 10 2
5
/8 1
1
/4 1
1
/2 15 70 15 30
24 10 2
5
/8 1
1
/4 1
1
/2 15 70 15 30
Allowable Movements
Rated Working
Pressure (psi)
Vacuum Rating
(in Hg)
Mercer
Size*
Face to
Face
Axial
Compression
Axial
Extension
Lateral
Deflection
(in) (in) (in) (in) 302 312 302 312
1
1
/2 10 3
1
/2 1
3
/4 2 50 105 15 30
2 10 3
1
/2 1
3
/4 2 50 105 15 30
2
1
/2 10 3
1
/2 1
3
/4 2 50 105 15 30
3 10 3
1
/
2
1
3
/
4
2 50 105 15 30
4 10 3
1
/2 1
3
/4 2 50 105 15 30
5 10 3
1
/2 1
3
/4 2 35 90 15 30
6 10 3
1
/2 1
3
/4 2 35 90 15 30
8 10 3
1
/
2
1
3
/
4
2 20 90 15 30
10 10 3
1
/2 1
3
/4 2 20 90 10 30
12 10 3
1
/
2
1
3
/
4
2 20 90 10 30
14 12 4
1
/4 2 2
1
/2 15 70 10 30
16 12 4
1
/
4
2 2
1
/
2
15 70 5 30
18 12 4
1
/4 2 2
1
/2 10 70 5 30
20 12 4
1
/
4
2 2
1
/
2
10 55 5 30
22 14 5
1
/4 2
1
/2 3 10 55 5 30
24 14 5
1
/
4
2
1
/
2
3 10 55 5 30
STYLE    DIMENSIONS
ALLOWABLE MOVEMENTS & OPERATING PRESSURES
STYLE    DIMENSIONS
ALLOWABLE MOVEMENTS & OPERATING PRESSURES
*
Fits over nominal pipe sizes and tubing listed
*
Fits over nominal pipe sizes and tubing listed
Distributor:
Interflex Hose & Bellows Ltd. www.interflex.co.uk
Ludlow Eco Park • Ludlow • Shropshire • SY8 1FF • United Kingdom
Tel.: +44 (0)1584 878500 • Email: enquiries@interflex.co.uk
BULLETIN 300-MR4
MASON INDUSTRIES | MASON-IND.COM
9
83
 ARCH
Style 303 & 313
 ARCH
Style 304 & 314
Allowable Movements
Rated Working
Pressure (psi)
Vacuum Rating
(in Hg)
Mercer
Size*
Face to
Face
Axial
Compression
Axial
Extension
Lateral
Deflection
(in) (in) (in) (in) 303 313 303 313
1
1
/2 14 5
1
/4 2
5
/8 3 25 75 10 30
2 14 5
1
/4 2
5
/8 3 25 75 10 30
2
1
/2 14 5
1
/4 2
5
/8 3 25 75 10 30
3 14 5
1
/4
2
5
/8
3 25 75 10 30
4 14 5
1
/4 2
5
/8 3 25 75 10 30
5 14 5
1
/4 2
5
/8 3 25 65 10 30
6 14 5
1
/4 2
5
/8 3 25 65 10 30
8 14 5
1
/4
2
5
/8
3 25 65 10 30
10 14 5
1
/4 2
5
/8 3 25 65 5 30
12 14 5
1
/4 2
5
/8 3 25 65 5 30
14 16 6
3
/8 3 3
3
/4 10 50 5 30
16 16 6
3
/8 3 3
3
/4 10 50 5 30
18 16 6
3
/8 3 3
3
/4 10 50 5 30
20 16 6
3
/8 3 3
3
/4 10 40 5 30
22 18 7
7
/8 3
3
/4 4
1
/2 10 40 5 30
24 18 7
7
/8 3
3
/4 4
1
/2 10 40 5 30
Allowable Movements
Rated Working
Pressure (psi)
Vacuum Rating
(in Hg)
Mercer
Size*
Face to
Face
Axial
Compression
Axial
Extension
Lateral
Deflection
(in) (in) (in) (in) 304 314 304 314
1
1
/2 18 7 3
1
/2 4 15 55 10 30
2 18 7 3
1
/2 4 15 55 10 30
2
1
/2 18 7 3
1
/2 4 15 55 10 30
3 18 7 3
1
/
2
4 15 55 10 30
4 18 7 3
1
/2 4 15 55 10 30
5 18 7 3
1
/2 4 15 40 10 30
6 18 7 3
1
/2 4 15 40 10 30
8 18 7 3
1
/
2
4 15 40 10 30
10 18 7 3
1
/2 4 15 40 5 30
12 18 7 3
1
/
2
4 15 40 5 30
14 20 8
1
/2 4 5 5 30 5 30
16 20 8
1
/
2
4 5 5 30 5 30
18 20 8
1
/2 4 5 5 30 5 30
20 20 8
1
/
2
4 5 5 30 5 30
22 22 10
1
/2 5 6 5 30 5 30
24 22 10
1
/
2
5 6 5 30 5 30
STYLE    DIMENSIONS
ALLOWABLE MOVEMENTS & OPERATING PRESSURES
STYLE    DIMENSIONS
ALLOWABLE MOVEMENTS & OPERATING PRESSURES
*
Fits over nominal pipe sizes and tubing listed
*
Fits over nominal pipe sizes and tubing listed
Distributor:
Interflex Hose & Bellows Ltd. www.interflex.co.uk
Ludlow Eco Park • Ludlow • Shropshire • SY8 1FF • United Kingdom
Tel.: +44 (0)1584 878500 • Email: enquiries@interflex.co.uk