Installation & Operation Manual
- Model AVT4000
Contents of this Manual are Subject to Change Without Notification
Page 12
4.1
Round Valve Installation Diagrams
WARNING: Use duct hangers and hardware designed to support the total load of valve and
associated duct sections. Failure to do so may result in serious personal injury or death.
Standard Slip-fit Valve Secured to Duct with Tek Screws.
Standard Slip-fit Valve Secured to Duct with Draw Band Clamps
Flanged Valve “Option F” Secured to Duct with
Companion Flanges and Hardware
(Companion Flanges are sold separately)
DISCHARGE
4. Secure valve to duct using appropriate
hardware. Reference the Accutrol Van
Stone Flange Detail Drawing.
2. Position valve to provide
unobstructed access to the
control module, actuator
and access panel.
3. Install gaskets and/or
duct sealant between
the valve flanges and
companion flanges.
1. Slip the draw band clamps over each end of the duct.
2. Slip the inlet end of the valve into the duct far enough to allow the valve
to be lifted into the duct opening.
3. Slip the discharge end of the
valve into the duct engaging valve
into duct 1” at each end.
4. Position valve to provide
unobstructed access to the
control module, actuator and
access panel.
6. Secure both ends of valve to the duct using draw band clamps.
2. Slip the discharge end of the
valve into the duct engaging
valve into duct 1” at each end.
1. Slip the inlet end of valve into the duct far
enough to allow the valve to be lifted into the
duct opening.
4. Apply duct sealant and secure valve to
duct at both ends using tek-screws.
3. Position valve to provide
unobstructed access to the
control module, actuator and
access panel.
DISCHARGE
INLET
1. Slip the companion flanges over each end of the duct and install to duct as required.
5. For clean air applications,
apply UL181 compliant foil tape
over the valve/duct seams.
For corrosive exhaust applications, apply PTFE tape (available from Accutrol)
over the valve/duct seams.
INLET
Figure 3
Install companion flanges to
duct ends and secure to duct.
Apply duct sealant and/or
gasket to flange face. Install
valve and rotate Van Stone
flanges to align with bolt holes
on the duct flanges. Secure
flanges using appropriate
hardware.
14" (356mm)
Keep-Out Zone
(Draw bands are sold separately)
