Armstrong Design Envelope 4302 - Page 9

installation &
operating instructions
Design Envelope 4302 ivs and 4382 ivs vertical
in-line pumping unit with integrated controls
9
4
This pump suction is now
closed. (Locked when handle
is elevated and secured).
This pump discharge is now
closed. (Locked when handle
is elevated and secured).
1
3
1
4
3
1
1
Normal operation Normal operation
This pump suction is now closed.
(Locked when handle is elevated
and secured).
This pump discharge is now
closed. (Locked when handle is
elevated and secured).
fi g. 1.2 Suction valve
fi g. 1.3 Discharge valve
fi g. 1.4 Valve illustration (8")
Normal operation Normal operation
fi g. 1.5 Suction valve fi g. 1.6 Discharge valve
fi g. 2.1 Hanger supported pipe mounted
fi g. 1.1 Valve illustration (3", 4" and 6")
fig. 2.2 Pipe mounted supported at ceiling
System inlet
System outlet
Recommended field
pressure gauge piping
arrangement
Flo-Trex valve
Split
coupler
Flush line
Drain connection
Suction
guide
Hangers support the weight
of the filled piping, pumps
and fittings
Pipe hanger (typ.)
see specification for
size and type
Pet cock
(typ.)
2' or 3'
height above
finished floor