⚙️
🌐 Trading
Vacuum Pumps & Supplies
Rotary vane, screw, water ring, roots, oil-free pumps — plus all maintenance consumables.
🏭 Vacuum-Fresh
🔢 8 Categories
📦 46+ Models
🔧
▾
DLG Series — Equal-Pitch Dry Screw Pumps
Depule
· 7 models · click to compare
Dedicated coolant cooling, mobile operator interface (CN/EN), military-grade power connector, N2 heater, remote monitoring. Short exhaust path reduces deposition, excellent linear sealing, simple structure with low failure rate.
DLG80 Equal-Pitch Dry Screw Pump (DLG80): Compact dry screw vacuum pump for general industrial vacuum applications. Suitable for coating, drying, and chemical processes.
DLG160 Equal-Pitch Dry Screw Pump (DLG160): Mid-size dry screw pump offering higher throughput for industrial vacuum processes.
DLG180 Equal-Pitch Dry Screw Pump (DLG180): High-capacity dry screw pump for demanding continuous industrial vacuum applications.
DJZ500 Pumping System (Roots+Screw) (DJZ500): Roots pump + screw pump combined unit for applications requiring high pumping speed and high vacuum.
DJZ750 Pumping System (Roots+Screw) (DJZ750): Higher capacity combined pumping system for demanding vacuum processes.
DJZ1050 Pumping System (Roots+Screw) (DJZ1050): Large combined pumping system for high-throughput industrial processes.
DJZ1500 Pumping System (Roots+Screw) (DJZ1500): Maximum capacity combined pumping system for the most demanding applications.
| Specification | DLG80 Equal-Pitch Dry Screw Pump DLG80 |
DLG160 Equal-Pitch Dry Screw Pump DLG160 |
DLG180 Equal-Pitch Dry Screw Pump DLG180 |
DJZ500 Pumping System (Roots+Screw) DJZ500 |
DJZ750 Pumping System (Roots+Screw) DJZ750 |
DJZ1050 Pumping System (Roots+Screw) DJZ1050 |
DJZ1500 Pumping System (Roots+Screw) DJZ1500 |
|---|---|---|---|---|---|---|---|
| Pumping Speed (50/60Hz) | 80/96 m³/h | 48/57 cfm | 140/156 m³/h | 82/92 cfm | 150/180 m³/h | 88/105 cfm | 500/600 m³/h | 750/900 m³/h | 1050/1260 m³/h | 1500/1800 m³/h |
| Ultimate Pressure | ≤7.5×10⁻³ Torr | ≤1×10⁻² mbar | ≤1 Pa | ≤7.5×10⁻³ Torr | ≤1×10⁻² mbar | ≤1 Pa | ≤7.5×10⁻³ Torr | ≤1×10⁻² mbar | ≤1 Pa | ≤7.5×10⁻⁴ Torr | ≤1×10⁻³ mbar | ≤0.1 Pa | ≤7.5×10⁻⁴ Torr | ≤1×10⁻³ mbar | ≤0.1 Pa | ≤7.5×10⁻⁴ Torr | ≤1×10⁻³ mbar | ≤0.1 Pa | ≤7.5×10⁻⁴ Torr | ≤1×10⁻³ mbar | ≤0.1 Pa |
| Motor Power | 4 HP / 2.98 kW | 6 HP / 4.47 kW | 6 HP / 4.47 kW | 4+4 HP / 2.98+2.98 kW | 6+4 HP / 4.47+2.98 kW | 6+6 HP / 4.47+4.47 kW | 6+6 HP / 4.47+4.47 kW |
| Voltage | 220~440V, 50/60 Hz | 220~440V, 50/60 Hz | 220~440V, 50/60 Hz | — | — | — | — |
| Inlet / Outlet | NW50 / NW40 | NW50 / NW40 | NW50 / NW40 | ISO100 / NW40 | ISO100 / NW40 | ISO160 / NW40 | ISO160 / NW40 |
| Cooling Water | 3~7 L/min, 2~4 kg/cm², 18~30°C | 3~7 L/min, 2~4 kg/cm², 18~30°C | — | — | — | — | — |
| N2 Dilution / Sealing Flow | 0~60 / 0~20 L/min | — | — | — | — | — | — |
| Dimensions L×W×H | 814 × 380 × 663 mm | 895 × 405 × 678 mm | 920 × 425 × 650 mm | 814 × 380 × 865 mm | 895 × 380 × 915 mm | 920 × 430 × 957 mm | 920 × 430 × 1030 mm |
| Weight | 280 kg | 300 kg | 320 kg | 450 kg | 520 kg | 540 kg | 545 kg |
| Noise | ≤68 dB(A) | ≤70 dB(A) | ≤70 dB(A) | ≤70 dB(A) | — | — | — |
| Operating Temp / Humidity | 5~40°C / ≥90% RH | — | — | — | — | — | — |
⚡
▾
BLG Series — Variable-Pitch Screw Pumps
Depule
· 6 models · click to compare
Fast pumping in high-pressure section, low operating power, low noise. Water-cooled (explosion-proof) or air-cooled (explosion-proof) motor options. Variable-lead rotor profile for optimal energy efficiency.
BLG120 Variable-Pitch Screw Pump (BLG120): Compact variable-pitch screw pump for TFT-LCD, solar, metallurgy, coating, plasma processes.
BLG200 Variable-Pitch Screw Pump (BLG200): Mid-range variable-pitch screw pump for industrial vacuum processes.
BLG300 Variable-Pitch Screw Pump (BLG300): High-performance variable-pitch screw pump for demanding industrial applications.
BLG500 Variable-Pitch Screw Pump (BLG500): High-capacity variable-pitch screw for chemical and pharmaceutical vacuum processes.
BLG650 Variable-Pitch Screw Pump (BLG650): Large variable-pitch screw pump for heavy industrial vacuum applications.
BLG800 Variable-Pitch Screw Pump (BLG800): Maximum capacity variable-pitch screw pump for the largest industrial vacuum needs.
| Specification | BLG120 Variable-Pitch Screw Pump BLG120 |
BLG200 Variable-Pitch Screw Pump BLG200 |
BLG300 Variable-Pitch Screw Pump BLG300 |
BLG500 Variable-Pitch Screw Pump BLG500 |
BLG650 Variable-Pitch Screw Pump BLG650 |
BLG800 Variable-Pitch Screw Pump BLG800 |
|---|---|---|---|---|---|---|
| Pumping Speed (50/60Hz) | 100/120 m³/h | 167/200 m³/h | 250/300 m³/h | 420/500 m³/h | 540/650 m³/h | 680/800 m³/h |
| Ultimate Pressure | ≤7.5×10⁻³ Torr | ≤1×10⁻² mbar | ≤1 Pa | ≤1 Pa | ≤1 Pa | ≤1 Pa | ≤1 Pa | ≤1 Pa |
| Motor Power | 4/5.3 HP | 2.98/4 kW | 6/7.5 HP | 4.47/5.5 kW | 8/10 HP | 6.7/7.5 kW | 15/20 HP | 11/15 kW | 25/30 HP | 18.5/22 kW | 25/30 HP | 18.5/22 kW |
| Base Pressure Power | 1.6/2 kW | — | — | — | — | — |
| Voltage | 220/380/440V | — | — | — | — | — |
| Inlet / Outlet | NW50 / NW40 | — | ISO63 / NW40 | ISO80 / NW50 | ISO100 / ISO63 | ISO100 / ISO63 |
| Dimensions L×W×H | 814 × 380 × 663 mm | 920 × 430 × 674 mm | 1075 × 430 × 650 mm | 1346 × 538 × 886 mm | 1831 × 610 × 735 mm | 1831 × 610 × 735 mm |
| Weight | 280 kg | 345 kg | 390 kg | 550 kg | 1050 kg | 1050 kg |
| Noise | 68 dB(A) | <70 dB(A) | <70 dB(A) | <75 dB(A) | <80 dB(A) | <80 dB(A) |
💨
▾
LC Series — Roots Pumps
Depule
· 5 models · click to compare
High operating efficiency, oil-free. Excellent linear sealing, high reliability in low-pressure range. Quiet, low vibration. For vacuum coating, ovens, heat treatment, pharmaceuticals, chemicals, semiconductors, TFT/LCD/LED and solar cell industries.
LC800B Roots Pump (LC800B): Compact roots pump for booster applications in vacuum coating and heat treatment.
LC1200B Roots Pump (LC1200B): Mid-size roots pump for higher throughput booster applications.
LC1600B Roots Pump (LC1600B): Large roots pump for high-capacity booster systems.
LC2000B Roots Pump (LC2000B): High-performance roots pump for demanding semiconductor and industrial processes.
LC3800B Roots Pump (LC3800B): Maximum capacity roots pump for the largest industrial booster applications.
| Specification | LC800B Roots Pump LC800B |
LC1200B Roots Pump LC1200B |
LC1600B Roots Pump LC1600B |
LC2000B Roots Pump LC2000B |
LC3800B Roots Pump LC3800B |
|---|---|---|---|---|---|
| Pumping Speed (60Hz) | 800 m³/h | 1200 m³/h | 1600 m³/h | 2000 m³/h | 3800 m³/h |
| Ultimate Pressure | ≤7.5×10⁻⁴ Torr | ≤1×10⁻³ mbar | ≤0.1 Pa | ≤0.1 Pa | ≤0.1 Pa | ≤0.1 Pa | ≤0.1 Pa |
| Motor Power | 4 HP / 2.98 kW | 4 HP / 2.98 kW | 6 HP / 4.47 kW | 6 HP / 4.47 kW | 8/20 HP | 6.7/15 kW |
| Voltage | 220~440V | — | — | — | — |
| Inlet / Outlet | ISO100 / ISO063 | — | ISO160 / ISO100 | — | ISO200 / ISO160 |
| Dimensions L×W×H | 721 × 322 × 233 mm | 778 × 360 × 250 mm | 848 × 360 × 272 mm | 778 × 360 × 272 mm | 1142 × 510 × 358 mm |
| Weight | 160 kg | 210 kg | 220 kg | 225 kg | 570 kg |
| Noise | ≤60 dB(A) | ≤60 dB(A) | ≤62 dB(A) | ≤62 dB(A) | ≤65 dB(A) |
🧪
▾
Chemical-Specific Vacuum Pumps
Depule
· 7 models · click to compare
Lip seal & mechanical shaft seal options to block process gases. Direct water cooling for higher efficiency. Patented screw rotor profile reduces deposition. Explosion-proof certified models available.
DLG80 Ex-Proof (Ex80): Explosion-proof version of DLG80 for hazardous chemical environments.
BLG120 Ex-Proof (Ex120): Explosion-proof version of BLG120 for chemical processing.
DLG160 Ex-Proof (Ex160): Explosion-proof mid-size screw pump for chemical processing.
DLG180 Ex-Proof (Ex180): Explosion-proof high-capacity screw for demanding chemical applications.
BLG300 Ex-Proof (Ex300): Explosion-proof variable-pitch screw pump for large chemical processes.
BLG650 Ex-Proof (Ex650): Large explosion-proof screw pump for heavy chemical vacuum.
BLG800 Ex-Proof (Ex800): Maximum capacity explosion-proof screw for industrial chemical processing.
| Specification | DLG80 Ex-Proof Ex80 |
BLG120 Ex-Proof Ex120 |
DLG160 Ex-Proof Ex160 |
DLG180 Ex-Proof Ex180 |
BLG300 Ex-Proof Ex300 |
BLG650 Ex-Proof Ex650 |
BLG800 Ex-Proof Ex800 |
|---|---|---|---|---|---|---|---|
| Base Model | DLG80 | BLG120 | DLG160 | DLG180 | BLG300 | BLG650 | BLG800 |
| Pumping Speed | 1600 L/min | 2000 L/min | 2600 L/min | 3000 L/min | 5500 L/min | 10840 L/min | 13333 L/min |
| Ultimate Pressure | ≤1 Pa | ≤1 Pa | ≤1 Pa | ≤1 Pa | ≤1 Pa | ≤1 Pa | ≤1 Pa |
🔄
▾
DLT Series — Rotary Vane Pumps (Single-Stage)
DALU-TONG
· 3 models · click to compare
For vacuum coating, vacuum drying, vacuum packaging, vacuum smelting, vacuum heat treatment, gas analysis, medical equipment, and laboratories.
DLT.0025 Single-Stage RV Pump (DLT.0025): Compact single-stage rotary vane pump for laboratory and light industrial use.
DLT.V0040 Single-Stage RV Pump (DLT.V0040): Mid-size single-stage rotary vane pump for general industrial vacuum.
DLT.V0063A Single-Stage RV Pump (DLT.V0063A): High-capacity single-stage rotary vane pump for demanding processes.
| Specification | DLT.0025 Single-Stage RV Pump DLT.0025 |
DLT.V0040 Single-Stage RV Pump DLT.V0040 |
DLT.V0063A Single-Stage RV Pump DLT.V0063A |
|---|---|---|---|
| Pumping Speed | 25 m³/h | 40 m³/h | 63 m³/h |
| Ultimate Pressure | 0.5/0.1 mbar | 0.5/0.1 mbar | 0.5/0.1 mbar |
| Motor Power | 0.75 kW | 1.1 kW | 2.2 kW |
| Inlet / Outlet | G3/4" / G1¼" | — | — |
| Speed | 2850 rpm | 1450 rpm | 1450 rpm |
| Noise | 62 dB | 62 dB | 64 dB |
| Dimensions L×W×H | 324 × 246 × 213 mm | 615 × 285 × 265 mm | 650 × 325 × 295 mm |
| Weight | 20 kg | 43 kg | 55 kg |
| Oil Capacity | 1 L | 1.5 L | 1.5 L |
🔄
▾
DLT Series — Rotary Vane Pumps (Two-Stage)
DALU-TONG
· 5 models · click to compare
Two-stage rotary vane pumps offering higher ultimate vacuum and larger pumping speed options for medium to high vacuum applications.
DLT.V0063 Two-Stage RV Pump (DLT.V0063): Two-stage rotary vane pump for higher vacuum requirements.
DLT.V0100 Two-Stage RV Pump (DLT.V0100): Higher capacity two-stage rotary vane pump.
DLT.V0160 Two-Stage RV Pump (DLT.V0160): Large two-stage rotary vane for medium vacuum processes.
DLT.V0202 Two-Stage RV Pump (DLT.V0202): High-performance two-stage rotary vane pump.
DLT.V0302 Two-Stage RV Pump (DLT.V0302): Maximum capacity two-stage rotary vane for industrial high vacuum.
| Specification | DLT.V0063 Two-Stage RV Pump DLT.V0063 |
DLT.V0100 Two-Stage RV Pump DLT.V0100 |
DLT.V0160 Two-Stage RV Pump DLT.V0160 |
DLT.V0202 Two-Stage RV Pump DLT.V0202 |
DLT.V0302 Two-Stage RV Pump DLT.V0302 |
|---|---|---|---|---|---|
| Pumping Speed | 63 m³/h | 100 m³/h | 160 m³/h | 200 m³/h | 300 m³/h |
| Ultimate Pressure | 0.5/0.1 mbar | 0.5/0.1 mbar | 0.5/0.1 mbar | 0.5/0.1 mbar | 0.5/0.1 mbar |
| Motor Power | 2.2 kW | 3 kW | 4 kW | 5.5 kW | 7.5 kW |
| Noise | 64 dB | 65 dB | 70 dB | 72 dB | 74 dB |
| Dimensions L×W×H | 650 × 410 × 295 mm | 700 × 410 × 295 mm | 880 × 485 × 410 mm | — | 1040 × 537 × 410 mm |
| Weight | 62 kg | 75 kg | 120 kg | 140 kg | 190 kg |
| Oil Capacity | 2 L | 2 L | 5 L | 5 L | 8 L |
💨
▾
DLT Series — Roots & Screw Pumps
DALU-TONG
· 11 models · click to compare
Dry screw vacuum pumps for clean processes, oil-free operation. Roots pump systems for high pumping speed and higher vacuum.
DLT.2V80 High-Capacity RV Pump (DLT.2V80): High-capacity two-stage rotary vane for medium to high vacuum.
DLT.2V275 High-Capacity RV Pump (DLT.2V275): Large high-capacity rotary vane for demanding industrial vacuum.
DLT.DJ150 Roots Pump System (DLT.DJ150): Roots pump with backing pump for high-speed, high-vacuum applications.
DLT.DJ250 Roots Pump System (DLT.DJ250): Large roots pump system for high-throughput vacuum processes.
Screw-80 Dry Screw Pump (Screw-80): Compact dry screw pump for clean, oil-free vacuum processes.
Screw-160 Dry Screw Pump (Screw-160): Mid-size dry screw pump for oil-free industrial vacuum.
Screw-250 Dry Screw Pump (Screw-250): Efficient dry screw pump for general industrial vacuum.
Screw-500 Dry Screw Pump (Screw-500): High-capacity dry screw pump for demanding clean processes.
Screw-1200 Dry Screw Pump (Screw-1200): Large dry screw pump for high-throughput clean vacuum applications.
Screw-2600 Dry Screw Pump (Screw-2600): Large industrial dry screw pump for mass production vacuum systems.
Screw-4200 Dry Screw Pump (Screw-4200): Maximum capacity dry screw pump for the largest clean vacuum processes.
| Specification | DLT.2V80 High-Capacity RV Pump DLT.2V80 |
DLT.2V275 High-Capacity RV Pump DLT.2V275 |
DLT.DJ150 Roots Pump System DLT.DJ150 |
DLT.DJ250 Roots Pump System DLT.DJ250 |
Screw-80 Dry Screw Pump Screw-80 |
Screw-160 Dry Screw Pump Screw-160 |
Screw-250 Dry Screw Pump Screw-250 |
Screw-500 Dry Screw Pump Screw-500 |
Screw-1200 Dry Screw Pump Screw-1200 |
Screw-2600 Dry Screw Pump Screw-2600 |
Screw-4200 Dry Screw Pump Screw-4200 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Pumping Speed | 80 m³/h | 275 m³/h | 140 m³/h | 256 m³/h | 80 m³/h | 160 m³/h | 250 m³/h | 500 m³/h | 1200 m³/h | 2600 m³/h | 4200 m³/h |
| Ultimate Pressure (partial) | 5×10⁻³ mbar | 5×10⁻³ mbar | — | — | — | — | — | — | — | — | — |
| Ultimate Pressure (total) | 5×10⁻² mbar | — | — | — | — | — | — | — | — | — | — |
| Motor Power | 1.5 kW | 7.5 kW | 3.5 kW | 5.5 kW | 1.5 kW | 2.2 kW | 2.2 kW | 3 kW | 7.5 kW | 15 kW | 22 kW |
| Dimensions L×W×H | 870 × 266 × 428 mm | 1162 × 599 × 633 mm | 947 × 415 × 410 mm | 1050 × 461 × 417 mm | 810 × 442 × 340 mm | 964 × 525 × 403 mm | 682 × 306 × 270 mm | 770 × 306 × 255 mm | 947 × 384 × 334 mm | 1200 × 526 × 508 mm | 1335 × 526 × 508 mm |
| Weight | 125 kg | 225 kg | 185 kg | 230 kg | 145 kg | 230 kg | 61 kg | 69 kg | 149 kg | 308 kg | 400 kg |
| Oil Capacity | 5 L | 18 L | — | — | — | — | — | — | — | — | — |
| Ultimate Pressure | — | — | ≤4×10⁻² mbar | ≤5×10⁻² mbar | <0.03 mbar | <0.1 mbar | 0.06 mbar | 0.06 mbar | 0.06 mbar | 0.06 mbar | 0.06 mbar |
| Noise | — | — | 75 dB | 79 dB | — | — | — | — | — | 75 dB | 75 dB |
🏭
▾
Vacuum System Solutions
DALU-TONG
· 2 models · click to compare
One-stop service: design, manufacturing, installation, commissioning. Multi-stage systems: rough, medium, high vacuum. Pressure range: hundreds of mbar ~ 0.05 mbar. Pumping speed: 400~5000 m³/h. VFD control saves 10%~15% energy.
Custom Vacuum System (Depule) (Depule Custom): Configured with 1+ vacuum pumps + 1+ vacuum tanks + central power control panel. Low noise, low vibration — reduces plant-wide noise. Flexible pump combination based on application.
Vacuum System Solution (DALU-TONG) (DLT Custom): Complete turnkey vacuum system: design, manufacturing, installation, commissioning. Rough to high vacuum. Multi-stage combinations.
| Specification | Custom Vacuum System (Depule) Depule Custom |
Vacuum System Solution (DALU-TONG) DLT Custom |
|---|---|---|
| Configuration | 1+ pumps + 1+ tanks + control panel | — |
| Custom Options | Vacuum gauges, solenoid valves per requirements | — |
| Noise | Low noise, low vibration | — |
| Management | Independent pump room option | — |
| Pressure Range | — | Hundreds of mbar ~ 0.05 mbar |
| Pumping Speed | — | 400~5000 m³/h |
| Energy Saving | — | VFD control saves 10%~15% energy |
| System Components | — | Pump sets + Buffer tanks + PLC/HMI + Piping + Cooling + Exhaust purification |
Need a custom pump system? Tell us your requirements.
Submit Your Requirement →