VerroMax Ductwork Jointing System - Flange profile
Brand
Doby Verrolec
Application
Provides
for rapid assembly of cross joints, minimising fabrication time.
Specifications
Available in standard metric sizes of 20mm, 30mm and 40mm.
Steel Grade and coating BS EN 10346:2015 DX51D +Z275 MAC.
Z275 gram coating to steel giving anti-corrosion benefits.
Integral Sealant, Evode Glasticon 126 Solvent Free permanently non-setting mastic.
Permanently flexible non-toxic sealant injected into the profile during
manufacture, will not harden and crack post installation.
No need to switch flange regardless of joint rating and pressure
class.
Fully conforms to UK, HVCA specification DW144.
Tested and certified by BSRIA in accordance with the B&ES (formally
HVCA) test procedures DW/TM1.
Suitable for B&ES specification DW/144 for Joint Ratings up to J5 and
pressure classes A, B and C.
Models
Choice of material types and gauges, available in Stainless Steel &
Aluminium or request.
Accessories
Full range of accessories to suit all sizes of flange.
Drawing 1
Dimensions
Profile
Joint rating
Pressure class
Gauge
Weight /m
A
B
C
mm
kg
VM20
J2
√
√
√
0.7
0.47
VM30
J3
√
√
√
0.8
0.73
VM30
J4
√
√
√
0.8
0.73
VM30
J5
√
√
√
0.8
0.73
VM40 (1)
J6
√
√
√
1.0
1.11
Notes: VM20, VM30 and VM40 for TM1 test results refer to 120.2 and 130.3, as tested by BSRIA in accordance with HVCA specification DW/TM1 test procedures.
(1) When used with central Tie Bar as tested by BSRIA in accordance with HVCA specification DW/TM1 test procedures.