Wastewater Treatment Systems - page 52

52 •
Manways and Manway Extensions
Standard Lid Gasket
Cork - .125"
Neoprene - .125"
Manways are manufactured and
protected against corrosion using
the same methods and quality
control procedures as the storage
tank. The welding and fabrication
specifications are in strict accordance
with Underwriters
Laboratories, Inc.
and OSHA. By manufacturing our own
manways, covers and extensions, we
assure our customers of the same high
quality as in our OWSs.
Manways are available in standard
18", 20", 24", 30", 36", 42" and 48"
diameters. Larger diameter cylindrical
and custom rectangular manways are
also available. Manway assemblies
include the bolted cover and gasket.
The cover provides a convenient
location for fittings. Manway extensions
lengths can vary and are made to order.
Manhole Extension
.25" Thick
Standard Manhole Gasket
Cork - .125"
Neoprene - .125"
ID
OD
Thickness
Manway/Lid
Bolt
Size
Number
Bolts
Bolt
Circle
18"
24"
.25"-.25"
.50"
18
21"
20"
26"
.25"-.375"
.50"
24
23"
24"
30"
.25"-.375"
.50"
24
27"
30"
36"
.375"-.375"
.50"
42
34"
36"
42"
.375"-.375"
.50"
42
40"
42"
48"
.375"-.375"
.50"
52
45"
48"
54"
.375"-.375"
.50"
60
51"
Diameter
Extension per
customer request
Tank Shell
O.D.
I.D.
Gauge Port Fitting
1...,42,43,44,45,46,47,48,49,50,51 53,54,55,56,57,58
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