Photographs of Free Flow Palmer-Bowlus Flumes

Free Flow 4" Palmer-Bowlus flume with bubbler tube
and
flexible neoprene end connections with stainless steel
band clamps

Free Flow 6" Palmer-Bowlus Flume (4D+1"
length) with pipe
stub end connections and internal expansion couplings

Free Flow 12" Palmer-Bowlus Flumes (2.5D+6"
length) with
depth gauge, flush mounted 316 SS bubbler tube, and pipe
flange inlet connection

Free Flow 6" Palmer-Bowlus flume with flush
mounted
316 SS bubbler tube, lid with SS hinge, handle, hasp,
neoprene gasket and flanged end connections.

Free Flow 6" Palmer-Bowlus flume with flanged end
connections, covered top with riser section for installation
of ultrasonic level transmitter

Free Flow 30" Palmer-Bowlus flume with flexible
neoprene end connections, covered top with 12" flanged connection for
access to depth gauging location, designed for direct burial,
no worker access allowed
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