LKV Series
Structural Overview
| 1 | Suction |
|---|---|
| 2 | Discharge |
| 3 | Screw |
| 4 | Casing |
| 5 | Seals |
| 6 | Bearings |
| 7 | Timing Gears |
| 8 | Shaft |
| 9 | Cooling Water Jacket |
Characteristics
Excellent discharge performance
- Superior liquid handling ability
- Self draining mechanism
- Excellent dust handling
- Quick exhaust structure
- Pulsation reduction of gas emission
Oil Lubrication
- Applied oil lubrication type of Rear End Plate(REP)
Reliable seal structure
- Triple Sealing System with Lip seal + Gas Purge + Mechanical Seal
- High performance mechanical seal specifically designed for dry vacuum pump
- Optimum gas purge operation enhanced leak tightness
Gas ballast nozzle installation
- Prevent condensation of corrosive vapor
- Reducing explosive atmosphere
Advantages
Ultimate Vacuum
- Optimized clearance and continuous compression ensures 0.0075torr vacuum degree with a single pump
Corrosion Resistance
- Coating material provides excellent corrosion resistance
- Process specific coatings or platings available
- Enhanced Corrosion Resistance by the gas ballast
Cooling Effect
- Hydrodynamic spiral jacket design ensures Excellent heat exchange efficiency
- Maintains optimum pump-inside temperature
Utility Saving
- 30% power saving by the variable pitch
screw design - No extra cooling gas required
Benefits
- No Contamination of Process Stream
- Deeper Vacuum and More Flexible Operation
- No Effluent, No Pollution, No Waste Disposal Costs
- Lower Maintenance Costs
- Immediate Solvent Recovery at Pump Exhaust
- Lower Total Cost of Ownership - Lower Utility Costs
- No variation in vacuum resulting from the changing of seasons and Utility
Technical Data
| Model | LKV300 | LKV400 | LKV800 | |
|---|---|---|---|---|
| Displacement(50/60Hz) | m3/hr | 250/300 | 330/400 | 660/800 |
| Ultimate pressure | ||||
| without Gas Ballast | torr | 7.5 X 10-3 | 7.5 X 10-3 | 7.5 X 10-3 |
| with Gas Ballast | torr | 0.01 | 0.01 | 0.01 |
| Motor power(50/60Hz) | ||||
| Power Requirement | kW | 7.5 | 11 | 15 |
| Power Consumption | kW | 5.0/6.0 | 7.0/8.6 | 10.2/12.8 |
| Rotation(50Hz/60Hz) | rpm | 2,900/3,500 | 2,900/3,500 | 2,900/3,500 |
| Process Connection | ||||
| Inlet Connection | JIS(ASME) | 50A(2”) | 65A(2 ½”) | 100A(4”) |
| Outlet Connection | JIS(ASME) | 40A(1 ½”) | 50A(2”) | 65A(2 ½”) |
| Cooling water | ||||
| Max. Supply Pressure | Barg | 7 | 7 | 7 |
| Pressure Drop | Bar | 1 | 1 | 1 |
| Flow Rate | Liter/min | 10~15 | 10~15 | 15~20 |
| Temperature | ℃ | 5~35 | 5~35 | 5~35 |
| Connection | PT(JIS) | ½”(15A) | ½”(15A) | ½”(15A) |
| Lubricant | ||||
| Gear Oil Type | Shell T-68 | Shell T-68 | Shell T-68 | |
| Bearing Oil Type | Shell T-68 | Shell T-68 | Shell T-68 | |
| Seal Type | ||||
| High Vacuum(HV) Seal | Lip Seals(Double Lip Seal x 2ea) or Mechanical Seal | |||
| Low Vacuum(LV) Seal | Lip Seal & Mechanical Seal(or Lip Seal) + Gas Purge Seal | |||
| Noise Level(50/60Hz) | dB | 79/85 | 79/85 | 79/85 |
| Vibration (max.) | mm/s | 1.8 (4.5) | 1.8 (4.5) | 2.8 (4.5) |
| Weight(Bare Shaft) | kg | 300 | 380 | 600 |
Dimensions
Bare Shaft Dimensions
| Model No. | LKV300 | LKV400 | LKV800 |
|---|---|---|---|
| A | 395 | 437 | 558 |
| B | 334 | 344 | 380 |
| C | 985 | 1100 | 1263 |
| D | 398 | 414 | 482 |
| E | 164 | 180 | 185 |
| F | 354 | 365 | 420 |
| G | 410 | 421 | 505 |
| H | 183 | 180 | 208 |
| I | 193 | 211 | 240 |
| J | 117 | 111 | 145 |
| K | 319 | 419 | 458 |
| L | 58 | 63.5 | 73 |
| M | 260 | 260 | 278 |
| N | 208 | 239 | 248 |
| M | 19 | 19 | 22 |
| Weight | 300 | 380 | 600 |
Pumping Capacity
