Flint-walling C22000 Bedienungsanleitung PDF herunterladen (Seite 6)

95 North Oak Street • Kendallville, IN 46755

ROTARY SHAFT SEAL

The mechanical shaft seal should be replaced if water

is noticed around the motor shaft. Remove case and

impeller and, using two screw drivers to pry on each

side, remove seal stationary seat. Clean seat area of

frame, install new stationary seat with ceramic surface

facing out and slide new rotating element over shaft

sleeve with hard carbon surface against ceramic seat.

Be sure to keep all surfaces clean. Lubricating seal

parts with water will help the installation of the seal.

Reinstall impeller and pump case.

CAUTION: Make certain that the power supply is

disconnected before attempting to service the unit!

Failure to do so could result in personal injury or fatal

electrical shock.

MOTOR

Keep motor clean and dry. It is drip-proof when

installed horizontally and the windings are protected

from excess humidity, but extreme conditions should

be avoided when possible. If motor fails to run, be

sure power is on, all switches or electrical controls are

closed, fuses are in order and all electrical connection

are tight. (Motor must be repaired by Authorized

Repair Station under terms of guarantee.)

FAILURE TO PUMP

If the motor runs, but no water is pumped, be sure

pump is primed, that there are no air leaks in suction

piping, that all gate valves are open and all check valves

operate.

NET POSITIVE SUCTION HEAD (NPSH)

NPSH combines all of the factors limiting the suction

side of a pump; internal pump losses, static suction

lift, friction losses, vapor pressure and atmospheric

conditions. It is important to differentiate between

REQUIRED NPSH and AVAILABLE NPSH.

NPSH REQUIRED

REQUIRED NPSH is a factor designed into a pump and

measurable in the test laboratory by the manufacturer.

Testing facilities can determine losses in the suction

piping, static lift and barometric pressures.

NPSH AVAILABLE

1. The term for providing sufficient pressure on the

suction, at the impeller eye, to prevent “boiling” is

known as NPSH AVAILABLE. It is a function of the

pumping system and consists of pressure on the

liquid at its source, the elevation of the liquid with

respect to the impeller center line, losses in the

suction piping and vapor pressure of the liquid.

PROPERTIES OF WATER

Temperature

ºF

Absolute Vapor

Pressure

Specific

Gravity

PSI Ft. Water

60 0.26 0.59 0.999

85 0.60 1.4 0.996

100 0.95 2.2 0.993

120 1.69 3.9 0.989

130 2.22 5.0 0.986

140 2.89 6.8 0.983

150 3.72 8.8 0.981

160 4.74 11. 2 0.977

170 5.99 14.2 0.974

180 7.51 1 7. 8 0.970

185 8.38 20.0 0.969

190 9.34 22.3 0.966

195 10.38 24.9 0.964

200 11.53 27.6 0.963

202 12.01 28.8 0.962

204 12.51 30.0 0.961

206 13.03 31.2 0.960

208 13.57 32.6 0.960

210 14.12 33.9 0.959

212 14.70 35.4 0.958

214 15.29 37.0 0.957

216 15.90 38.4 0.956

218 16.54 40.0 0.956

220 1 7. 1 9 41.6 0.955

222 17.86 43.3 0.954

224 18.56 45.0 0.953

226 19.28 46.8 0.953

228 20.02 48.6 0.952

230 20.78 50.5 0.951

240 24.97 61.0 0.947

250 29.83 73.2 0.943

300 67.00 168.6 0.918

350 134.60 349.0 0.891

Altitude

(Feet)

Barometer

Inches

Mercury

Atmospheric

Pressure

Boiling

Point ºF

PSIA (ft. water)

-1000 31.0 15.2 32.5 213.8

-500 30.5 15.0 34.6 212.9

0.0 29.9 14.7 33.9 212.0

+500 29.4 14.4 33.3 211.1

+1000 28.9 14.2 32.8 210.2

+1500 28.3 13.9 32.1 209.3

+2000 27.8 13.7 31.5 208.4

+2500 27.3 13.4 31.0 207.4

+3000 26.8 13.2 30.4 206.5

+3500 26.3 12.9 29.8 205.6

+4000 25.8 12.7 29.2 204.7

+4500 25.4 12.4 28.8 203.8

+5000 24.9 12.2 28.2 202.9

+5500 24.4 12.0 27.6 201.9

+6000 24.0 11. 8 27.2 201.0

+6500 23.5 11. 5 26.7 200.1

+7000 23.1 11. 3 26.2 199.2

+7500 22.7 11. 1 25.7 198.3

+8000 22.2 10.9 25.2 197.4

+8500 21.8 10.7 24.7 169.5

+9000 21.4 10.5 24.3 165.5

+9500 21.0 10.3 23.8 194.6

+10000 20.6 10.1 23.4 193.7

+15000 16.9 8.3 19.2 184.0

1 2 3 4 5 6 7 8

Kommentare zu diesen Handbüchern

Keine Kommentare

Flint-walling C22000 Bedienungsanleitung Seite 6

Kommentare zu diesen Handbüchern

Verwandte Produkte und Handbücher für Pumpen Flint-walling C22000