SHINKO SEIKI CO.
Shinko Seiki SW Series Water Ring Vacuum Pumps
Manufacturer: Shinko Seiki Co., Ltd.
Model: SW Series
Features
- Owing to the water seal, the pumps can exhaust inflammable and corrosive gases.
- These water-ring type pumps are suitable for exhaust gas that contains steam and water droplets.
- The 2-stage pump configuration exhibits high performance under 3 × 104 Pa or lower pressures.
Specifications
| Model | Exhaust rate L/min at 2×103Pa | Achievable pressure Pa | Rotational speed min−1 | Motor kW | Water supply rate L/min | Intake port diameter | Exhaust port diameter | Weight kg |
|---|---|---|---|---|---|---|---|---|
| SW−S7 | 90 (50Hz) 105 (60Hz) | 6.7×103 | 2900 (50Hz) 3500 (60Hz) | 0.4 (2P) | 4 | Rc¼(PT¼) | Rc¼(PT¼) | 24 |
| SW−S15 | 300 (50Hz) 350 (60Hz) | 6.7×103 | 2900 (50Hz) 3500 (60Hz) | 0.75 (2P) | 5 | Rc¼(PT¼) | Rc¼(PT¼) | 24 |
| SW−25S | 370 (50Hz) 450 (60Hz) | 2.3×103 1.3×103 (With ejector) | 2900 (50Hz) 3500 (60Hz) | 1.5 (2P) | 6 | VF25 | Rp1(PS1) | 50 |
| SW−50S | 700 (50Hz) 850 (60Hz) | 2.3×103 1.3×103 (With ejector) | 2900 (50Hz) 3500 (60Hz) | 2.2 (2P) | 8 | VF25 | Rp1(PS1) | 58 |
| SW−100ⅡS | 1250 (50Hz) 1500 (60Hz) | 2.3×103 8×102 (With ejector) | 1450 (50Hz) 1750 (60Hz) | 3.7 (4P) | 10 | VF40 | Rp2(PS2) | 120 |
| SW−150S | 2100 (50Hz) 2500 (60Hz) | 2.3×103 8×102 (With ejector) | 1450 (50Hz) 1750 (60Hz) | 5.5 (4P) | 12 | VF50 | Rp2(PS2) | 140 |
| SW−200S | 2500 (50Hz) 3000 (60Hz) | 2.3×103 8×102 (With ejector) | 1450 (50Hz) 1750 (60Hz) | 7.5 (4P) | 16 | VF50 | JIS10K-50A | 185 |
| SW−150S | 2100 (50Hz) 2500 (60Hz) | 2.3×103 8×102 (With ejector) | 1450 (50Hz) 1750 (60Hz) | 5.5 (4P) | 12 | VF50 | Rp2(PS2) | 140 |
| SW−300S | 4600 (50Hz) 5500 (60Hz) | 2.3×103 8×102 (With ejector) | 1450 (50Hz) 1750 (60Hz) | 11 (50Hz) 15 (60Hz) (4P) | 35 | VF80 | VG80 | 350 |
| SW−600ⅢS | 10000 (50Hz) | 2.3×103 8×102 (With ejector) | 950 | 30 (4P) | 80 | VF80 | JIS10K-150A | 700 |
- The main material of SW−S7 and SW−S15 is BC (copper alloy).
- Models SW−25S to SW−600ⅢS are made of cast iron; shafts and impellers are stainless steel.
- Weight does not include motor weight.
- VF/VG: Flange for JIS B 2290 (1998) vacuum equipment.
SW-AS series
| Model | Exhaust rate L/min at 2×104Pa | Achievable pressure Pa | Rotational speed min−1 | Motor kW | Water supply rate L/min | Intake port diameter | Exhaust port diameter | Weight kg | |||
|---|---|---|---|---|---|---|---|---|---|---|---|
| 50Hz | 60Hz | Water temperature at 15℃ | With ejector | 50Hz | 60Hz | ||||||
| SW−25AS | 370 | 450 | 2.3×103 | 1.3×103 | 2900 | 3500 | 1.5 (2P) | 6 | VF25 | Rp1(PS1) | 50 |
| SW−50AS | 700 | 850 | 2.3×103 | 1.3×103 | 2900 | 3500 | 2.2 (2P) | 8 | VF25 | Rp1(PS1) | 58 |
| SW−100AS | 1350 | 1630 | 2.3×103 | 8×102 | 1450 | 1750 | 5.5 (4P) | 12 | VF50 | JIS10K-50A | 180 |
| SW−200AS | 2100 | 2700 | 2.3×103 | 8×102 | 1450 | 1750 | 7.5 (4P) | 16 | VF50 | JIS10K-50A | 185 |
| SW−300AS | 3700 | 4400 | 2.3×103 | 8×102 | 1450 | 1750 | 11 (50Hz) 15 (60Hz) (4P) | 35 | VF50 | VG80 | 350 |
- Weight: Motor weight is not included.
- VF・VG: Flange for JIS B 2290 (1968) vacuum equipment.
SW-C series
- Gases that have been sucked into a pump can dissolve or mix in with the sealing liquid, and consequently be discharged from the pump as exhaust gas.
- This may cause environmental pollution depending on the type of gas.
- To prevent this problem, the SW-C series pumps circulate the sealing liquid inside, thus posing no threat to the environment.
- The sealing liquid is cooled by the heat exchanger. The circulating circuit is a sealed structure.
| Model | Pumping speed (L/min at 2×103Pa) | Ultimate pressure at water temperature of 15℃ (Pa) | Rotational speed (min−1) | Motor (kW) | Standard sealing liquid circulation rate (L/min) | Cooling water flow rate for heat exchanger (L/min) | Weight (kg) | ||
|---|---|---|---|---|---|---|---|---|---|
| 50Hz | 60Hz | 50Hz | 60Hz | ||||||
| SW−25SC | 370 | 450 | 2.3×103 | 2900 | 3500 | 1.5 (2P) | 7 | 12 | 135 |
| SW−50SC | 700 | 850 | 2.3×103 | 2900 | 3500 | 2.2 (2P) | 8 | 13 | 150 |
| SW−100ⅡSC | 1250 | 1500 | 2.3×103 | 1450 | 1750 | 3.7 (4P) | 18 | 17 | 255 |
| SW−150SC | 2100 | 2500 | 2.3×103 | 1450 | 1750 | 5.5 (4P) | 20 | 33 | 310 |
| SW−200SC | 2500 | 3000 | 2.3×103 | 1450 | 1750 | 7.5 (4P) | 25 | 45 | 450 |
| SW−300SC | 4600 | 5500 | 2.3×103 | 1450 | 1750 | 11 (50Hz) 15 (60Hz) (4P) | 50 | 80 | 770 |
| SW−600ⅢSC | 10000 | – | 2.3×103 | 1000 | – | 30 (4P) | 100 | 170 | 1650 |
| SW−25ASC | 370 | 450 | 2.3×103 | 2900 | 3500 | 1.5 (2P) | 7 | 12 | 135 |
| SW−50ASC | 700 | 850 | 2.3×103 | 2900 | 3500 | 2.2 (2P) | 8 | 13 | 150 |
| SW−100ASC | 1350 | 1630 | 2.3×103 | 1450 | 1750 | 5.5 (4P) | 20 | 33 | 380 |
| SW−200ASC | 2100 | 2700 | 2.3×103 | 1450 | 1750 | 7.5 (4P) | 25 | 45 | 450 |
| SW−300ASC | 3700 | 4400 | 2.3×103 | 1450 | 1750 | 11 (50Hz) 15 (60Hz) (4P) | 50 | 80 | 770 |
※ Weight: Motor weight is not included.
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