Home > Type A-P

Type A-P

Qmax=1250m3/h – Hmax=50m 

APPLICATION

The A-P pumps are designed to handle chemical products of high temperature and pressure. Due to the robust design, apart from the basic application in chemical plants, the A-P pumps can be applied in any industry where hot or toxic fluids under high pressure are to be pumped, such as, for example, power plants or district heating plants. Due to the compliance with Atex directive the A-P pumps can operate in areas where hazard of explosion is present.

DESIGN

Single stage, horizontal, end suction pumps with own bearings classified as UMDP (upgraded medium duty pumps). The design is also in compliance with Atex directive. The A-P pumps are equipped with large seal chamber providing space to install any required mechanical seal configuration . If necessary the pumps can be equipped with heating or cooling jackets or with inducers to improve the suction properties. The design of the pumps of different sizes is unified – there are five standard bearings assemblies and seal chambers which can be combined with different wet ends. Such a unification reduces the quantity of spare parts to be stored and eases the maintenance.

MATERIALS OF CONSTRUCTION

A-P pumps are available in different material versions including stainless steel, stainless cast steel, duplex, superduplex and hastalloy. The materials of construction are selected individually for each application.




No.

Part name

No.

Part name
1 Pump casing 12 Casing Sealing ring
2 Impeller 13 Impeller nut
3 Seal casing 14 Impeller washer
4 Shaft 15 Mechanical seal
5 Radial Thrust bearing cover 16 Expeller
6 Radial bearing 17 Labyrinth
7 Bearing housing 18 Oil filler
8 Thrust bearing 19 Casing support
9 Thrust Thrust bearing cover 20 Labyrinth
10 Toothed washer 21 Expeller
11 Bearing nut KM


Pump type

Dimensions [mm]

Ds

Dt

L

a

H

h
3A16-P 50 32 465 80 292 132
3A20-P 465 80 340 160
3A25-P 600 100 405 180
4A20-P 65 40 485 100 340 160
4A25-P 600 100 405 180
4A32-P 625 125 450 200
5A16-P 65 50 465 80 292 132
5A20-P 80 50 485 100 360 160
5A25-P 625 125 405 180
5A32-P 625 125 505 225
6A16-P 485 100 340 160
6A20-P 100 65 600 100 405 180
6A25-P 625 125 450 200
6A32-P 655 125 505 225
8A16-P 100 80 600 100 360 160
8A20-P 125 80 625 125 430 180
8A25-P 625 125 505 225
8A32-P 655 125 565 250
10A20-P 125 100 625 125 480 200
10A25-P 670 140 505 225
10A32-P 670 140 565 250
12A25-P 150 125 670 140 605 250
12A32-P 670 140 635 280
15A25-P 200 150 690 160 655 280
15A32-P 830 160 715 315
15A40-P 830 160 765 315
20A25-P 200 200 850 180 780 355
20A32-P 250 200 870 200 805 355
20A40-P 870 200 855 355
20A50-P 900 200 990 425
25A40-P 300 250 900 200 1025 425
25A50-P 250 250 900 200 1145 475
30A40-P 350 300 950 250 1105 475


 


Pump type

Rotation speed
n=3000 [rpm]

Rotation speed
n=1500 [rpm]

Weight
m [kg]

Capacity
Q [m3/h]

Head
H [m]

Shaft power
P [kW]

Capacity
Q [m3/h]

Head
H [m]

Shaft power
P [kW]
3A16-P 12,5 32 2 6,3 8 0,3 65
3A20-P 12,5 50 3,8 6,3 12,5 0,6 75
3A25-P 12,5 80 7,8 6,3 20 1,1 120
4A20-P 25 50 5,7 12,5 12,5 0,8 80
4A25-P 25 80 11,6 12,5 20 1,6 122
4A32-P 25 128 23,6 12,5 32 3,4 153
5A16-P 25 32 3,8 12,5 8 0,5 70
5A20-P 50 50 9,2 25 12,5 1,3 82
5A25-P 50 80 19,1 25 20 2,4 124
5A32-P 50 128 33,5 25 32 4,5 158
6A16-P 50 32 6,0 25 8 0,8 73
6A20-P 100 50 17,7 50 12,5 2,4 110
6A25-P 100 80 32,5 50 20 4,4 138
6A32-P 100 128 53,7 50 32 7,3 190
8A16-P 100 32 11,7 50 8 1,7 98
8A20-P 160 50 27,2 80 12,5 3,7 119
8A25-P 160 80 45,9 80 20 5,8 142
8A32-P 160 128 79,7 80 32 10,6 196
10A20-P 250 50 42,6 125 12,5 5,5 138
10A25-P 250 80 69,9 125 20 8,7 204
10A32-P 250 128 118,6 125 32 15,1 212
12A25-P 400 80 111,8 200 20 13,1 218
12A32-P 400 128 176,6 200 32 22,6 230
15A25-P – – – 315 20 21,5 268
15A32-P – – – 315 32 33,5 310
15A40-P – – – 315 50 51,7 385
20A25-P – – – 500 20 34,5 342
20A32-P – – – 500 32 52,5 392
20A40-P – – – 500 50 82,1 422
20A50-P – – – 500 80 145,3 450
25A40-P – – – 800 50 129,8 465
25A50-P – – – 800 80 235,7 495
30A40-P – – – 1250 50 212,9 580

The parameters are specified for clean water of density ρ=1000 kg/m3 and temperature T=15°C