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These instructions are valid for all low pressure pumps as specified in the Pump identification chart below.

Pump identification

LPQ

ACF/UCF

ACG/UCG

ACE

LPE

ACD

LPD

015

020

025

025

032

038

045

052

060

070

080

090

100

110

125
100

110

125

140

N

L

N

D

K

N

K

L

N

L

N

P

1

6

 3

7

5

1

I

N

N

N

I

N

V

V

T

V

T

V

T

T

B

B

B

B

F

B

F

Y

P

P

E

P

E

P

P

A101

A101

A327

A020

A385

A020

A084

A087

A101

P

J

(4)

(4)

025

032

038

D

K

L

N

D

K

L

N

 3

N

V

T

B

Y

A101

P

I

N

R

T

Pump name

Rotor 

lead 

(1)

Shaft- 

seal 

design 

(1)

Mounting 

(2)

Valve 

(3)

Also  

valid for 

option

Comments

Pumpunit 

without shaft 

coupling

(1)  See Product description or Service instruction for 

specified pump model

(2) B = Flange mounting

 

F = Foot mounting

 

Y = Vertical foot mounting

(3) E = Without valve

 

G = Valve with external return

 

P = Valve with internal return for total pressure range

(4)  Valid for UCF

Option

A020  Pump with surface treated casing(s)

A084  Pump with lifetime greased ball bearing

A087  Pump with CCW-rotation and lifetime greased 

ballbearing

A101  Pump with CCW-rotation, when not standard

A327  Pump with Tuning® 

A328  Pump with Tuning®

A385  A101 + A327 

Material 

pump-

body 

(1)

Size  

(1)

Design 

modifi-

cation

Pumpunit 

without shaft 

coupling

Specific hazards

Hazardous pumped liquids

• Observe the safety regulations for handling hazardous substances (e.g. hot, flammable, poisonous or po

-

tentially harmful) when handling hazardous pumped liquids.

• Use personal protective equipment when carrying out any work on the pump.

• Noise level: 

– Check individual pump series noise level in respective Product Description

 

Product Specification Sheet

X-Cel House, Chrysalis Way, Langley Bridge, Eastwood, Nottinghamshire NG16 3RY 

Tel: +44 (0) 1773 302 660  |  Email: [email protected]  |  Website: www.northridgepumps.com 

Содержание ACE3 Series

Страница 1: ...allation 5 Start up 10 Trouble shooting 12 Maintenance and Service 14 List of components 14 Exploded View 15 Ordering code Service intervals 16 Sectional view 17 Useful tools Shaft seal assembly drawi...

Страница 2: ...the following are not allowed Hanging pumps in the pipe Overhead installation Installation in the immediate vicinity of extreme heat or cold sources General safety instructions Observe the following r...

Страница 3: ...ut off device Warranty Obtain the manufacturer s approval prior to carrying out any modifications repairs or alterations during the warranty period Only use genuine parts or parts that have been appro...

Страница 4: ...alve with internal return for total pressure range 4 Valid for UCF Option A020 Pump with surface treated casing s A084 Pump with lifetime greased ball bearing A087 Pump with CCW rotation and lifetime...

Страница 5: ...fastened to the top of the connecting frame Thread dimension is M 16 except for frame size 600 where it is M 20 Identification of safety instructions Non compliance of safety instructions identified...

Страница 6: ...corresponds to approx 0 2 mm deviation 100 mm The coupling and alignment shall be selected not to transmit any axial or radial loads on the shaft ends IMO AB standard couplings shall have a distance...

Страница 7: ...ion pipe is short straight and has a suitable diameter The velocity in the suction line should be kept in the range 0 5 1 2 m s For L O circulating systems we recommend to keep it as low as possible T...

Страница 8: ...ze and hardness of the abrasive components Shaft seal drain The pump should be installed so that any leakage from the shaft seal does not become a hazard As the shaft seal has to be lubricated a small...

Страница 9: ...anticipated a value specific to each application should be determined by closely monitoring the pump body temperature For flow less than 50 m3 h 100 by pass can only be tolerated for less than about 3...

Страница 10: ...filled On the smaller pumps LPD ACD ACE LPE ACG UCG this is done by rotating the fan on the electric motor after removing the fan cover Do not forget to fit the motor fan cover again before making st...

Страница 11: ...ter about 3 5 minutes the shaft seal must have time to cool off and run for half a minute This procedure may need to be repeated a couple of times if the suction line is extremely long Should the pump...

Страница 12: ...p in the suction line is too high Major air leakage into the suction line The pump cannot evacuate the air through the discharge line due to excessive counter pressure The pump is not primed The press...

Страница 13: ...charge line See above Pressure too high Readjust the pressure relief valve to a lower value Thus the power con sumption for the pumping is re lieved and overloading due to the high viscosity may be av...

Страница 14: ...1 x x x x 1 201 Idler rotor 2 x x 202 Idler rotor 2 x x 351 Balancing bush 1 x x x 401 Pump body 1 416 Suction flange 1 417 Screw 8 418 Gasket to suction flange 1 x x x 423 Gasket to dis charge flang...

Страница 15: ...e the floor slippery and cause personal injury Connecting and disconnecting of electric cables must be done only by personnel authorized to do such work Before any maintenance work ensure that the dri...

Страница 16: ...lations where unplanned shut downs must be avoided it is advisable to dismantle the pump for a thorough inspection and thereby change out shaft seal and ball bearing every three years as a max period...

Страница 17: ...Txx C C E E 463 463A Removed from August 2011 Product Specification Sheet X Cel House Chrysalis Way Langley Bridge Eastwood Nottinghamshire NG16 3RY Tel 44 0 1773 302 660 Email sales northridgepumps c...

Страница 18: ...e xVxx S1 Seat S2 O ring S4 Seal ring S6 O ring S7 Spring unit S8 Stop screw Seat slot S8 S4 S6 S1 S2 S7 S8 S5 S6 S1 S2 S3 S7 S4 S4 S7 is one unit Stationary member Rotating member Tool 2 Tool 1 D 25...

Страница 19: ...lease the stop screw A C Fig 8 Fig 7 ON OFF Fig 5 Turn the electricity OFF Close the valves Remove the pump from the system D Remove the front cover 501 and power rotor 1020 Fig 6 451 113 401 1020 Rem...

Страница 20: ...ove the secondary seal 125 with a suitable screw driver Fig 16 H xTxx 501 501 125 Insert two suitable screw drivers in the carrier S5 slots and gently push the rotating member S4 S7 off the rotor shaf...

Страница 21: ...two stop screws S8 Lubricate the O ring S6 in the rotating member with oil Press the rotating member S4 S7 gently on to the rotor shaft and make sure the driving lugs enters the slots in the carrier S...

Страница 22: ...s the seat gently into the recess in the front cover 501 with a suitable tool as shown Turn the front cover 501 up side down The seat shall now remain in the cover H xTxx I 501 506 Replace the gasket...

Страница 23: ...sket 556 and the O ring 605 Reassemble the parts in reverse order Be care ful to tighten the screws 453 crosswise Readjust the valve pressure according to the Installation and Start up Instruction for...

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