Price Antec Controls VENTURI VV Series Manual page 22

Flange-Connection Venturi Valve with Companion Flanges Installation
20 | VV – Manual | AntecControls.com
STEP 1
Slide companion flanges completely onto the inlet and discharge ductwork with the flanged
end of the companion flanges toward the free space.
STEP 2
Align hole pattern to match opposing companion flange as shown.
STEP 3a
For Aluminum Companion Flanges, fasten each companion flange with six (6 ) sheet metal
screws. Apply duct sealant to seal the ductwork.
STEP 3a
For Stainless Steel Companion Flanges, continuously weld the companion flange to the duct
to ensure zero leakage.
STEP 4
Align the duct flange holes with the venturi flange holes and fasten using a bolt, lock washer
and nut. Fasten every hole to reduce airflow leakage.
NOTE: It is recommended to use a duct sealant or gasket between the valve flange and the
ductwork flange.
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