BULLETIN DJ-87-3
MASON INDUSTRIES | MASON-IND.COM
9
•
115
EXTERNAL SINGLE OR MULTIPLE ARCH
ROUND, SQUARE OR RECTANGULAR
DUCT CONNECTOR
INTERNAL FLOWING ARCH,
SQUARE OR RECTANGULAR
DUCT CONNECTOR
CONSTRUCTION FEATURES
• Covers and tubes may be EPDM, Neoprene,
Hypalon
®
, Butyl, Nitrile, Viton
®
, Natural Rubber,
etc. as best suits the service
• Reinforcement fabrics are normally Nylon,
Polyester or Kevlar
®
for high temperature
• Sizes up to 154" in diameter, 154" square and
36" face to face. Smaller sizes in greater length.
• Carbon or stainless steel backup rings
• Excellent flexibility
• Exterior coat of Hypalon
®
paint provides additional
protection against ozone weathering and chemical
exposure
•
All Duct Connectors are pressure cured in a steam
chamber for structurally sound, long service life
Duct Connectors are Used in Duct Systems to Reduce
Vibration Transmission and Accommodate Expansion or Contraction.
In Seismic Zones, They Accommodate Differential Motion.
ME-2, 2 Arch
Rectangular Duct
Connector
installed.
Building an ME-2 2 Arch Rectangular Duct Connector in the Mercer Plant.
All steel forms are made by Mercer to your requirements.
MERCER
DUCT CONNECTORS
MASON/MERCER EXPANSION JOINTS
BULLETIN
DJ-87-3
9
•
116
ME-1
EXTERNAL FLOWING ARCH
ME,  ARCH; ME, ARCH;
 ME, ARCH
INTERNAL FLOWING ARCH
MD
NO ARCH
MN
Compression Extension Lateral
Type (in) (in) (in)
ME-1 2
1
/2 1
3
/4 2
ME-2 5 3
1
/2 4
ME-3 7
1
/2 5
1
/4 6
Compression Extension Lateral
Type (in) (in) (in)
MN-4
1
/2
1
/4
1
/4
MOVEMENTS
Compression Extension Lateral
Type (in) (in) (in)
MD-4 1
1
/2
1
/2
MOVEMENTS
MOVEMENTS
Rectangular Duct Connectors
ME
 ARCH
ME
ARCH
ME
 ARCH
FEATURES
• E xternal Flowing Arch
• R ated for Seismic Movement
• A vailable in Multiple Arch
FEATURES
• Internal Flowing Rectangular
and Square Arch
• F langed up to 4" Flange Height
• C ustom Drilled
FEATURES
• N o Arch Belt Style
• F langed up to 4" Flange Height
• C ustom Drilled
• R ated to Absorb Vibration
ME-2
ME-3
Smooth Leakproof Tube
Rubber Flanges
Integral with Body
Coating of
Hypalon
®
Paint
Carcass Made of Minimum
2-Ply Rubber Impregnated
Fabric or Tire Cord
Steel
Flanges
External
Flowing Arch
MN-4
No Arch
Belt Style
M
D-4
Internal
Flowing Arch
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
BULLETIN DJ-87-3
MASON INDUSTRIES | MASON-IND.COM
9
•
117
A
M
I-9
EXTERNAL FLOWING ARCH
MI, ARCH; MI,  ARCH;
 MI, ARCH
NO ARCH
MC
Compression Extension Lateral
Type (in) (in) (in)
MI-9-1 1
3
/4 1 1
MI-9-2 3
1
/2 2 2
MI-9-3 5
1
/4 3 3
MOVEMENTS
Round Duct Connectors
FEATURES
• Single Unfilled Arch
• Available in Multiple Arches to
Accommodate More Movement
• Flanged to Match Your Drilling
Including NBS and 150#
• S izes up to 154" Diameter
Compression Extension Lateral
Type (in) (in) (in)
MC-3
3
/4
0 1
/4
MOVEMENTS
FEATURES
• No Arch
• Flanged to Match Your Drilling
Including NBS and 150#
• S izes up to 154” Diameter
MI
ARCH
MI
 ARCH
MI-9_2
MI-9_3
MI-9_2
MI-9_3
5
/8" Beveled Edge
MI-9
Carcass Made of Minimum
2-Ply Rubber Impregnated
Fabric or Tire Cord
Split Retaining
Rings
Coating of
Hypalon
®
Paint
Detail of
Multiple Plies
MI
 ARCH
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
MASON/MERCER EXPANSION JOINTS
BULLETIN
DJ-87-3
9
•
118
MA-1
RECTANGULAR NO ARCH
MS
EXTERNAL FLOWING ARCH
MB,  ARCH; MB, ARCH;
 MB, ARCH
Rectangular and Round Sleeve
Duct Connectors
FEATURES
• No Arch
Compression Extension Lateral
Type (in) (in) (in)
MB-1 1
3
/4 1 1
MB-2 3
1
/
2
2 2
MB-3 5
1
/4 3 3
MOVEMENTS
FEATURES
• E xternal Flowing Arch
• R ated for Seismic Movement
• A vailable in Multiple Arch
• S lides Over Various Pipe ODs
Compression Extension Lateral
Type (in) (in) (in)
MS-4
1
/2
1
/4
1
/4
MOVEMENTS
MS-4
RECTANGULAR SLEEVE
Backup Bar
NO ARCH
MA
FEATURES
• No Arch Sleeve
• S lides Over Various Pipe ODs
Compression Extension Lateral
Type (in) (in) (in)
MA-1
1
/2
1
/4
1
/4
MOVEMENTS
1
/8" Thick
Leakproof Tube
Coating of
Hypalon
®
Paint
Soft Ends for
Clamping
MB-2
MB-3
MB
 ARCH
MB
 ARCH
MB-2
MB-3
MB
-1
MB
 ARCH
Resilient Arch
Carcass Made of Minimum
2-ply Rubber Impregnated
Fabric or Tire Cord
Stainless Steel Wormdrive
Clamp to Secure Connector
to Piping
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