Safety Instructions; Description And Specifications; Engineering Data; Optional Pump Styles - Xylem GOULDS NPO Manual De Instrucciones

SAFETY INSTRUCTIONS

TO AVOID SERIOUS OR FATAL PERSONAL INJURY
OR MAJOR PROPERTY DAMAGE, READ AND
FOLLOW ALL SAFETY INSTRUCTIONS IN MANUAL
AND ON PUMP.
THIS MANUAL IS INTENDED TO ASSIST IN THE
INSTALLATION AND OPERATION OF THIS UNIT
AND MUST BE KEPT WITH THE PUMP.
This is a SAFETY ALERT SYMBOL.
When you see this symbol on the pump
or in the manual, look for one of the fol-
lowing signal words and be alert to the
potential for personal injury or property
damage.
Warns of hazards that WILL cause
DANGER
serious personal injury, death or major
property damage.
Warns of hazards that CAN cause
WARNING
serious personal injury, death or major
property damage.
Warns of hazards that CAN cause per-
CAUTION
sonal injury or property damage.
NOTICE: INDICATES SPECIAL INSTRUCTIONS
WHICH ARE VERY IMPORTANT AND
MUST BE FOLLOWED.
THOROUGHLY REVIEW ALL INSTRUCTIONS AND
WARNINGS PRIOR TO PERFORMING ANY WORK
ON THIS PUMP.
MAINTAIN ALL SAFETY DECALS.
UNIT NOT DESIGNED FOR USE WITH
WARNING
HAZARDOUS LIQUIDS OR FLAM-
MABLE GASES. THESE
FLUIDS MAY BE PRESENT IN
CONTAINMENT AREAS.
Hazardous fluids
can cause fire,
burns or death.
DESCRIPTION & SPECIFICATIONS:
The Series NPO embraces a line of 1", 1¼" and 1½" NPT
discharge, general liquid transfer and booster pump ap-
plication end suction centrifugal pumps. The liquid end
construction is of AISI 316 stainless steel, stamped and
welded. Open vane impellers are ideal for liquids with
suspended solids to ⁄ " diameter.
3
8

ENGINEERING DATA

Max Liquid Temperature:
212º F (100º C) Standard seal
250º F (120º C) Optional high temperature seal
Max Pressure: 125 psi (862 kPa)
Starts per Hour: 20 – Evenly distributed

OPTIONAL PUMP STYLES

Optional bearing frame mounted or close-coupled,
single and three phase, ODP, TEFC and three phase ex-
plosion proof motors are available. Optional mechanical
seals include: Carbon/Ceramic/BUNA, Carbon/Ceramic/
Viton, Carbon/Silicon Carbide/EPR, Silicon Carbide/Sili-
con Carbide/EPR and Silicon Carbide/Silicon Carbide/Vi-
ton. Consult with your distributor for price and availability.
PIPING – GENERAL
THE INSTALLATION OF THE PUMP
WARNING
SHALL INCLUDE ADEQUATE
DRAINAGE OR LOCATED SUCH THAT OTHER
EQUIPMENT OR PROPERTY WOULD NOT BE
DAMAGED IN THE EVENT OF ANY LEAKAGE.
THE PUMP SHOULD NOT BE INSTALLED ABOVE
EQUIPMENT OR PROPERTY UNLESS ADEQUATE
DRAINAGE IS PROVIDED. FAILURE TO COMPLY
WITH THIS WARNING COULD RESULT IN
PROPERTY DAMAGE.
OVERTIGHTENING OF THE CASING
WARNING
FASTENERS COULD DAMAGE THE
FASTENER, RESULTING IN LEAKAGE AND
PROPERTY DAMAGE.
Piping should be no smaller than the pump connection
size and kept as short as possible, avoiding unnecessary
fittings to minimize friction losses.
All piping MUST be independently supported and
MUST NOT place any piping loads on the pump.
NOTICE: DO NOT FORCE PIPING INTO PLACE
AT PUMP SUCTION AND DISCHARGE
CONNECTIONS.
All pipe joints MUST be airtight.
PIPING – SUCTION
Short and direct suction piping is recommended. For
suction lifts over 10' (3 m) and liquid temperatures over
120º F (49º C), consult pump performance curve for net
positive suction head required (NPSH
If a pipe size larger than pump suction is required, an ec-
centric pipe reducer, with the straight side up, MUST be
installed at the pump suction.
If pump is installed below the liquid source, install a full
flow isolation valve in the suction for pump inspection
and maintenance.
NOTICE: DO NOT USE THE ISOLATION VALVE TO
THROTTLE PUMP. THIS MAY CAUSE LOSS
OF PRIME, EXCESSIVE TEMPERATURES AND
DAMAGE TO PUMP, VOIDING WARRANTY.
If the pump is installed above the liquid source, the fol-
lowing MUST be provided:
To avoid air pockets, no part of the piping should be
above the pump suction connection.
Slope piping upward from liquid source.
Use a foot valve or check valve ONLY if necessary for
priming or to hold prime during intermittent duty.
The suction strainer or suction bell MUST be at least 3
times the suction pipe diameter area.
Insure that the size and minimum submergence over
suction inlet is sufficient to prevent air from entering
through a suction vortex.
).
R
3