Sequential Vapor Vent with TTMA Flange
Features
Any necessary maintenance is easy to perform
Installation
Can be installed to open in sequence with another pneumatically controlled device such as the emergency valve, or open independently by simply plugging the lower of the 2 ports. (use a 1/4” male NPT plug).
Note
Flange adapter, 40193AL, is available to adapt 3” TTMA to a parker style vent
Use
For 20” manhole, with 3” TTMA flange
