SKA self-priming pumps
Applications
SKA self-priming rotodynamic, pumps with side ring channel and open impeller, serve to pump liquids within the corrosion resistance limits of materials used for their construction. Liquids of a temperature up to 110oC, discharged liquid density up to 1 300 kg/m3 and viscosity up to 150 mm2/s contaminated with solid particles up to 0.5 mm in trace amounts can be pumped. Pumps can cooperate with 50 Hz or 60 Hz motors.
SKA pumps can be used in:
- waterwork systems, ,
- individual farms,
- industry.
Technical specifications
| capacity |
0,3 ÷ 30 m3/h |
| delivery head |
up to 310 m * |
| pumped liquid temperature |
up to 110 oC |
| liquid density |
up to 1300 kg/m3 |
| liquid viscosity |
up to 150 mm2/s |
| mass |
34,0 ÷ 409,0 kg |
| motor power |
0,55 ÷ 30,0 kW |
| rotation speed |
1450 obr/min (50 Hz) and 1800 obr/min (60 Hz) |
| rotations direction |
clockwise, looking on the pumps from drive side |
| shaft seal |
cord seal or end-face seal |
|
*
|
Delivry head is lowered by 10% for hot liquids from + 70oC to +110oC.
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- manometric pressure allowed for SKA.2 pumps cannot exceed 2.5 MPa,
- for the remaining 1 to 4 stage pumps, manometric pressure cannot exceed 2.0 MPa and for 5 to 8 stage pumps - 3.2 MPa,
- for 1 to 4 stage pumps with an oval flange the allowed pressure cannot exceed 0.8 MPa.
Technical data with division into individual types
| Pump variety |
Type/size |
Type dimension |
Parameters |
Capacity
Q [m3/h] |
Delivery head
H [m] |
| SKA |
2 |
05, 06 |
0,3 ÷ 2,1 |
15,0 ÷ 96,0 |
| 3 |
01, 02, 03, 04, 05, 06, 07, 08 |
1,0 ÷ 3,0 |
11,0 ÷ 224,0 |
| 4 |
01, 02, 03, 04, 05, 06, 07, 08 |
1,8 ÷ 4,5 |
8,0 ÷ 204,0 |
| 5 |
01, 02, 03, 04, 05, 06, 07, 08 |
3,5 ÷ 7,5 |
11,0 ÷ 310,0 |
| 6 |
01, 02, 03, 04, 05, 06, 07, 08 |
6,0 ÷ 12,0 |
16,0 ÷ 222,0 |
| 7 |
01, 02, 03, 04, 05, 06, 07, 08 |
10,5 ÷ 20,0 |
10,0 ÷ 291,0 |
| 8 |
01, 02, 03, 04, 05, 06 |
16,0 ÷ 30,0 |
15,0 ÷ 187,0 |
Product marking structure
| a a |
- classification group |
| f |
- product variety (A - with ball bearing at suction and at discharge side) |
| b |
- pump type/size (2 ÷ 8) |
| c c |
- pump type/dimension (number of stages) (01 ÷ 08) |
| d |
- pump material execution as in MATERIAL EXECUTION |
| e1 e2 e3 e4 |
- pump constructional execution as in CONSTRUCTIONAL EXECUTION |
| h |
- supply completeness as in SUPPLY COMPLETENESS |
| i i i |
- motor type |
| k |
- product cosmetics as in PRODUCT COSMETICS (protective coatings) |
Material execution of SKA pumps
SKA pumps are produced in six material executions
| Pump elements |
Material "d" |
| 1 |
2 |
3 |
4 |
5 |
6 |
| Casing |
gray cast iron |
tin bronze |
gray cast iron |
gray cast iron |
cast carbon steel |
austenitic cast steel |
| Members |
gray cast iron |
chromium cast iron |
gray cast iron |
chromium cast iron |
cast carbon steel |
austenitic cast steel |
| Impeller |
tin bronze |
tin bronze |
ductile cast iron |
tin bronze |
tin bronze |
special austenitic cast steel |
| Shaft |
stainless steel |
acid-proof steel |
stainless steel |
acid-proof steel |
stainless steel |
acid-proof steel |
| Shaft seal |
soft-cord seal * |
| mechanical * |
* material selection of seals depends on pumped liquid
Constructional execution
Constructional
execution No
e1 e2 e3 e4 |
Constructional execution |
SKA pump |
| 2 |
3 |
4 |
5 |
6 |
7 |
8 |
| 1010 |
Pump with cord seal
for -30oC ÷ +70oC liquid temperature |
|
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| 1020 |
Pump with cord seal
for -30oC ÷ +70oC liquid temperature |
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| 1040 |
Pump with cord seal and chamber
for -30oC ÷ +70oC liquid temperature |
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| 1050 |
Pump with cord seal and circulation pipe
for -30oC ÷ +70oC liquid temperature |
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| 1060 |
Hydrophore pump with cord seal
for 0oC ÷ +40oC liquid temperature (concerns 01 ÷ 02 stages) |
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| 1100 |
Pump with A1-type single front seal
for -30oC ÷ +70oC liquid temperature |
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| 1110 |
Pump with V-type single front seal
for -30oC ÷ +70oC liquid temperature |
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| 1120 |
Pump with single front seal of V-type at suction side, of VB-type at discharge side,
for -30oC ÷ +70oC liquid temperature |
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| 1130 |
Pump with single front seal of US-type,
for -30oC ÷ +70oC liquid temperature |
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| 1170 |
Pump with single front seal of 2100-type,
for -30oC ÷ +70oC liquid temperature |
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| 1230 |
Pump with single front seal of 58U-type
for -30oC ÷ +70oC liquid temperature |
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| 1350 |
Pump with single front seal of A1-type, with quenching, for -30oC ÷ +70oC liquid temperature |
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| 1360 |
Pump with single front seal of V-type, with quenching, for -30oC ÷ +70oC liquid temperature |
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| 1370 |
Pump with single front seal of V-type at suction side, VB-type at discharge side, with quenching, for -30oC ÷ +70oC liquid temperature |
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| 1420 |
Pump with single front seal of 2100-type, with quenching, for -30oC ÷ +70oC liquid temperature |
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| 1600 |
Pump with double front seal in BACK TO BACK V + V-type system with barrier liquid,
for -30oC ÷ +70oC liquid temperature |
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| 1610 |
Pump with double front seal in BACK TO BACK V + VB-type system with barrier liquid,
for -30oC ÷ +70oC liquid temperature |
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| 2020 |
Pump with cord seal,
for liquids of +70oC ÷ +110oC temperature |
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| 2040 |
Pump with cord seal and chamber
for +70oC ÷ +110oC liquid temperature |
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| 2100 |
Pump with single front seal of A1-type,
for +70oC ÷ +110oC liquid temperature |
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| 2110 |
Pump with single front seal of V-type,
for +70oC ÷ +110oC liquid temperature |
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| 2120 |
Pump with single front seal of V-type at suction side and VB-type at discharge side,
for +70oC ÷ +110oC liquid temperature |
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| 2130 |
Pump with single front seal of US-type, for +70oC ÷ +110oC liquid temperature |
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| 2170 |
Pump with single front seal of 2100-type,
for +70oC ÷ +110oC liquid temperature |
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| 2230 |
Pump with single front seal of 58U-type,
for +70oC ÷ +110oC liquid temperature |
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| 2350 |
Pump with single front seal of A1-type, with quenching, for +70oC ÷ +110oC liquid temperature |
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| 2360 |
Pump with single front seal of V-type, with quenching, for +70oC ÷ +110oC liquid temperature |
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| 2370 |
Pump with single front seal of V-type at suction side and of VB-type at discharge side, with quenching, for +70oC ÷ +110oC temperature liquid |
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| 2420 |
Pump with single front seal of 2100-type, with quenching, for +70oC ÷ +110oC temperature liquid |
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| 2600 |
Pump with double front seal in BACK TO BACK V + V-type system with barrier liquid,
for +70oC ÷ +110oC liquid temperature |
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| 2610 |
Pump with double front seal in BACK TO BACK V + VB-type system with barrier liquid,
for +70oC ÷ +110oC liquid temperature |
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Supply completeness
|
1 - Pump with free shaft end.
2 - Pump with coupling.
3 - Pump with coupling and foundation plate.
5 - As in 3 plus electric motor.
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Product cosmetics
Budowa
SKA pumps consist of: bearing housings, shaft, suction and discharge housings in which shaft seals are installed. On the shaft impellers are mounted, their number depends upon the number of pump stages. Impeller positions are limited by limiting members. Suction member is located at suction housing, then come suction/discharge members and the last discharge member.
Features:
- many years of reliable operation and easy access to replacement parts guaranteed,
- execution of individual requirements and products adjusted to customer's needs,
- permanent technical supervision as well as guarantee and post-guarantee service,
- low procurement and operation costs,
- relatively long life in difficult operational conditions.
SKA pumps sealing systems
 |
Cord seal system |
|
| Front single seal system |
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|
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Cord with chamber seal system |
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| System of front single seal with quenching |
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|
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System of cord seal with circulation pipe |
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| System of double front BACK TO BACK seal with barrier liquid |
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