Flomatic 78 User Manual
Swing Check Valve
Model
78
& 78A
FL~MATIC
Sizes 2-1/2" thru 14" I 65mm thru 350mm
Flomatic
lOW·LEAD
",
MO,
Corporation
#
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T.. L
Written Specifications:
Checks valves shall be of swing type and shall have a heavy iron body (epoxy coated) wi
cast flange ends (ANSI B16.1). The flapper shall be made
ring reinforcement, for nonshock working pressure 175 psi
at
14" and hydrostatically tested
The flapper assembly is seated under the cover in a
350 psi.
way
full open position during flow through the valve. Valve shall be a full port design with an
unobstructed flow pattern. When the valve is wide open the flapper shall bear against a
stop. The stop will be located so that impact applied by the flow will not twist
flapper.
The valve shall be so constructed that by simply unbolting and lifting
the internal working parts may be easily removed and replaced without removing
the valve from the line.
The valve shall penmit flow in one direction only; be tight seating when the outlet
pressure exceeds the inlet pressure and be suitable for mounting horizontally. The valve
of
shall have a net flow area not less then the area
a circle with a diameter
pipe size.
of
rubber with external iron
2-1/2' thru 12" and 150 psi
to allow it
to
flex from closed to
or
bend
off
the cover,
of
the nominal
~
__
The angled body valve shall be constructed with the same flange to flange dimensions
90'
replacing a standard
elbow. The valve can be installed in either an upflow
downflow direction. The valve must be installed in a vertical configuration
or
to
allow the
flapper to open and close freely.
The valve shall be equal in all respects
to
the Model 78
or
78A
Flo-FleX®
as manufactured by Flomatic Corporation. All part shall conform to required dimensions
of
and shall be free
defects that would prevent the valve from functioning properly.
Swing Check Valve Ordering Information
Quantity:
Size:
Type: 78
2-1/2" thru 14" 1 65mm thru 350mm
or
78A
Connection Type: Flange 125#
Flapper: Rubber
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2002
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