:
Flexible Couplings
Drain Coupling
TopsunDrain Couplings are used to connect, repair and maintain drainage systems and other small diameter non-pressure pipelines. Available to suit any pipe material up to 275mm outside diameter, Drain Couplings are designed for use in drainage systems where the resistance to earth loads (usually provided by a Standard Coupling) is not required.
TopsunDrainCouplingscompriseamouldedEPDMsleevewhichisattachedusingGrade1.4401(316)wormdrivestainless steel clamping bands at eitherend.
Topsuncanalsosupplytheproductwithnitrilesleevesforusewitheffluentwhichmaybecontaminatedwithhydrocarbons.
Applications
•Canbeusedtoconnectplainendedpipes
•Repairofexistingpipesystemsbyreplacingshort sections ofpipe
•Connectsshortandcutlengthsofpipe
Benefits
•Lowcostsolutiontodamageddrainagesystems
•Easy toinstall
•Efficient, airtight and watertightconnection
Product specification for DC
Product Code
DC
Description
TopsunDrain Coupling
Material
EPDM Rubber / Nitrile Rubber
Steel
1.4401 (316) Stainless Steel
Pressure Rating
0.6bar, 8.70psi / -0.3 Vacuum
Temperature Range
-50°c to 80°c constant, 100°c intermittent
Tightening Torque
6Nm
Standards
AS/NZS 4327 Type B Watermark licence No WMKT 22225 EN681-1
Jetting Resistance
120 bar
Product Range
Reference No.
Size (mm)
Width (mm)
Thickness (mm)
DC50
40 – 50
90
7
DC65
50 – 65
90
7
DC75
60 – 75
108
7
DC95
80 – 95
110
7
DC115
100 – 115
100
7
DC125
110 – 125
120
7
DC135
120 – 135
120
7
DC150
135 – 150
120
7
DC165
150 – 165
120
7
DC175
160 – 175
120
7
DC185
170 – 185
120
7
DC195
180 – 195
120
7
DC215
200 – 215
150
7
DC225
210 – 225
150
7
Note: Also available in nitrile rubber