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9

Table 1

Equivalent length in meters of straight pipe and valve connections for calculating friction.

1"

1½"

2"

2 ½"

3"

4"

5"

6"

STANDARD 90°
ELBOW

0.84 1.07 1.22 1.68 1.98 2.44 3.35 4.12 4.88

MEDIUM RADIUS
ELBOW 90°

0.69 0.92 1.07 1.37 1.68 2.14 2.75 3.51 4.27

LONG RADIUS
ELBOW 90°

0.54 0.69 0.84 1.07 1.37

1.6

2.14 2.75 3.36

STANDARD 45°
ELBOW

0.38 0.54 0.61 0.77 0.92 1.15 1.53 1.83 2.29

STANDARD TEE

1.68 2.29 2.75 3.36 4.28 5.19 6.71 8.23 10.1

ANGLE GLOBE VALVE
(OPEN)

3.97 5.49 6.71 8.23 10.7 12.2 16.8 21.3 25.9

GLOBE VALVE (OPEN)

7.93 10.7

13

16.8 21.3 24.4 35.1 42.7 48.8

GATE VALVE (OPEN)

0.19 0.25 0.29 0.38 0.43 0.54 0.69 0.84 1.07

INCREASER

1.21 1.52 1.82 2.74 3.35 4.26 6.09 7.92 10.1

REDUCER

0.3

0.3

0.3

0.61 0.61

0.9

1.21 1.21 2.13

SUCTION VALVE

0.91 1.21 1.52 2.13 2.74 3.35 4.87

6.4

7.92

DESCRIPTION

DIAMETER

PART

1¼" 

Installation

barmesa.com

Содержание 620705017

Страница 1: ...n Operation Maintenance Manual End Suction Centrifugal Pumps IMPORTANT Read all instructions in this manual before operating or servicing a pump IC 1 H series 1 15 HP 3500 RPM Last update 07 16 2021 b...

Страница 2: ...causeseriousinjury Always wear eye protection when working on pumps Do not wear loose clothing that may become entangled in moving parts Pumps build up heat and pressure during operation Allow time fo...

Страница 3: ...yenamel waterbased Specifications Dimensions D D D M M 4 HOLES 4 HOLES M 4 HOLES H H H J J J B B B C C C SUCTION SUCTION SUCTION DISCHARGE DISCHARGE DISCHARGE G G G I I I A A A L L L K K K E E E F F F...

Страница 4: ...uld be as close as possible to the liquid to be pumped with a minimum number of couplings adapters etc in order to reduce friction on the suction side The suction and discharge piping must be perfectl...

Страница 5: ...d by using a smaller diameter pipe a larger diameter discharge pipe is commonly used than the required by the volute or body Figure 2 Wrong installation Without strainer Vortex D Too much height Less...

Страница 6: ...sealant IMPORTANT Do not operate pump without priming first Operating dry will damage seal 4Pre Operation 1 Check Voltage and Phase Compare the voltage and phase information stamped on the pump name...

Страница 7: ...suction or discharge simply remove the body nuts this would uncover the impeller Examine and replace if it shows wear or damage When the impeller requires replacement remove the screw of the shaft and...

Страница 8: ...Seal stationary Seal rotating member Spring Impeller Impeller lockwasher Lockwasher Hex screw Figure 8 Mechanical Seal Sectional View 1 Ceramic seat 2 Seal seat Buna N 3 Inox retainer 4 Inox jacket 5...

Страница 9: ...643 48 55 19 65 6 54 1 67 0 54 170 681 54 1 21 9 7 28 1 86 0 6 180 757 66 3 26 7 8 9 2 27 0 73 0 3 200 833 80 32 2 10 07 2 72 0 87 0 35 220 908 95 38 1 12 6 3 21 1 03 0 41 240 984 111 44 5 14 7 3 74...

Страница 10: ...ARD 45 ELBOW 0 38 0 54 0 61 0 77 0 92 1 15 1 53 1 83 2 29 STANDARD TEE 1 68 2 29 2 75 3 36 4 28 5 19 6 71 8 23 10 1 ANGLE GLOBE VALVE OPEN 3 97 5 49 6 71 8 23 10 7 12 2 16 8 21 3 25 9 GLOBE VALVE OPEN...

Страница 11: ...ng capacity is not too much The pump is operating in the range of NPSHR If reducing ow makes the noise gone then the problem is in the point above partially close the discharge valve The bearings for...

Страница 12: ...11 barmesa com...

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