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Brand: Leybold
Leybold 960 181V SOGEVAC SV 16 D Oil-Sealed Rotary Vane Pump
Description
A quiet 16 m3/h pump with integrated gas ballast for laboratories and instruments
The Leybold 960 181V is the SOGEVAC SV 16 D with a UL/CSA world three-phase motor and an integrated gas ballast valve. In the SOGEVAC range the D line sits beside the B pumps with a narrower focus: it reaches an ultimate total pressure of 0.5 mbar, weighs 25 kg and keeps the noise level at 59 dB(A) or below, which makes it a bench or skid pump for analytical, laboratory and light production use. Nominal pumping speed is 16.0 m3/h (9.4 cfm) at 50 Hz and 18.7 m3/h (11.0 cfm) at 60 Hz.
The suffix V in the part number is part of the code and must be written in full on orders. The same SV 16 D body is also offered as SV 16 DI and, in a larger size, as SV 25 D, each with its own part numbers.
Technical data from the catalogue
| Parameter | Specification |
|---|---|
| Part number / type | 960 181V / SOGEVAC SV 16 D, UL/CSA world three-phase motor with integrated gas ballast valve |
| Motor voltage on this code | 200-240 V +/-10 % and 380-415 V +/-10 % at 50 Hz; 200-240 V and 380-460 V +/-10 % at 60 Hz. Delivered connected for high voltage; low-voltage operation needs the terminal board connections changed |
| Nominal pumping speed | 16.0 m3/h (9.4 cfm) at 50 Hz; 18.7 m3/h (11.0 cfm) at 60 Hz |
| Pumping speed (DIN 28 400) | 14.5 m3/h (8.5 cfm) at 50 Hz; 17.0 m3/h (10.0 cfm) at 60 Hz |
| Ultimate total pressure | 0.5 mbar or less (0.4 Torr) without gas ballast; 1.5 mbar or less (1.1 Torr) with gas ballast |
| Water vapour tolerance | 15.0 mbar (11.3 Torr) |
| Water vapour capacity | 0.05 kg/h at 50 Hz; 0.15 kg/h at 60 Hz |
| Oil capacity | 2.0 l (2.1 qt) |
| Noise level | 59 dB(A) or less |
| Motor power / speed | Approx. 0.75 kW (1.01 hp) at 1440 rpm for 50 Hz; 0.90 kW (1.21 hp) at 1750 rpm for 60 Hz |
| Protection class | IP 21-F |
| Ambient temperature | 12 to 40 degrees C (54 to 104 degrees F) for three-phase; 18 to 40 degrees C for single-phase |
| Weight with oil | 25 kg (55.1 lbs) |
| Connections | Intake and exhaust 1/2 inch NPT or G (the SV 16 DI is listed with 25 ISO-KF); indicate the thread when ordering |
SV 16 D, SV 16 DI and SV 25 D ordering codes
The SV 16 D family splits by motor supply and by the I model. The catalogue lists the following codes for the 16 D, the 16 DI and the SV 25 D:
| Version | Motor | Part No. |
|---|---|---|
| SV 16 D | UL/CSA world three-phase | 960 181V |
| SV 16 D | Single-phase 200-240 V, 50/60 Hz | 960 185V |
| SV 16 D | Single-phase 100 V, 50/60 Hz | 960 184V |
| SV 16 D | Single-phase 110-115/220-230 V, switchable | 960 186V |
| SV 16 DI | UL/CSA world three-phase | 960 191V3001 |
| SV 16 DI | Single-phase 200-240 V, 50/60 Hz | 960 195V3001 |
| SV 25 D | UL/CSA world three-phase | 960 211V |
| SV 25 D | Single-phase 230 V, 50/60 Hz | 960 215V |
Other voltages and frequencies and special oil fillings are upon request. The SV 16 DI and SV 25 D or DI pumps have different published data, for example an ultimate pressure of 0.1 mbar for the SV 16 DI and a nominal 25.0 m3/h for the SV 25 DI, so do not substitute one for another by name alone.
Operation and installation notes
- The oil circuit is designed for continuous operation at high inlet pressure from atmosphere down to ultimate pressure, with an integrated anti-suckback valve and oil mist separation of over 99.9 percent in the SOGEVAC range.
- Protection is IP 21-F, so keep the pump indoors and away from dripping liquid.
- The three-phase pump is delivered connected for the high voltage, and the catalogue footnote requires the motor terminal board connections to be changed for low-voltage operation.
- Dimensional drawings show space for exhaust filter change, the gas ballast valve and the oil sight glass and drain.
Applications
Typical uses printed for the SV 16 D and neighbouring models include oil purification, drying and degassing, plastic and rubber injection presses, oxygen applications and analytical instruments. The IP 21 enclosure and 25 kg weight suit laboratory benches, small test stands and instrument backing lines more than outdoor plant. In a warm region respect the 40 degrees C ambient ceiling and check that the lab or cabinet can remove the heat of the 0.75 kW motor.
Spare parts and accessories
| Item | Part No. |
|---|---|
| Exhaust filter cartridge AFE | 712 32 023 |
| Maintenance kit (filter, O-ring, filling plug) | EK 971 473 420 |
| Seal kit FPM (FKM) SV 16 D / SV 25 D | EK 971 473 430 |
| Repair kit complete SV 16 D / SV 25 D | EK 971 473 440 |
| Exhaust filter monitoring gauge, mechanical G 3/4 inch | 951 93 |
| Temperature switch conversion kit, three-phase version | upon request |
Please give the full code including the V suffix, the supply and the connection type when asking for a quote. Similar items are in the pumps category.
Selection and installation notes
A vacuum pump is selected from the pumping speed, the ultimate pressure and the gases or vapours it will handle. Use the oil grade the maker names, check the oil level before starting, connect the exhaust to a safe place and fit an oil mist filter where needed, use a trap or filter ahead of the pump for dust and vapour and warm the pump before pumping condensable vapour. Service the oil and filters on the schedule in the manual.
Information needed for a quotation
Send the full model code, the quantity, the delivery location in Oman or the GCC, the intended use and any accessories needed, so that the complete package can be quoted together.
Documents and supply information
The manufacturer data sheet is attached to this page and should be read together with the project specification and the site risk assessment before a purchase is confirmed. Ratings, standards and dimensions are quoted as printed on that sheet. Lead time, stock position and certificates available with the shipment are confirmed in the quotation, and we supply to Oman and the wider GCC region for industrial, utility and building services projects.
Related Leybold products: Leybold 960 500 SOGEVAC SV 100 B Rotary Vane Vacuum Pump, Leybold 960 250 SOGEVAC SV 25 B Rotary Vane Vacuum Pump, Leybold 112 86 TRIVAC D 40 B Two-Stage Rotary Vane Pump, Leybold 970202V NEO D 25 Two-Stage Rotary Vane Vacuum Pump, Leybold 10770400V01 VACUBE VQ 400 i Oil-Sealed Screw Vacuum Pump and Leybold 10770700V01 VACUBE VQ 700 i Oil-Sealed Screw Vacuum Pump.
Datasheets & Documents
- Datasheet Leybold Full Line Catalog 2022, oil sealed vacuum pumps: SOGEVAC SV 16 D extract (catalogue pages 86-87 and 90-95) Download
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About brand
Leybold is a German manufacturer of vacuum pumps and vacuum technology, headquartered in Cologne, with a history that goes back to 1850. Ernst Leybold's firm became known for vacuum research, including Wolfgang Gaede's work on the turbomolecular principle in 1911 and the diffusion pump in 1913. Leybold was part of Oerlikon until September 2016, when Atlas Copco completed its acquisition.
Seven Star LLC is an independent supplier in Muscat. We list selected Leybold pumps with the official catalogue pages for industrial and laboratory users in Oman and the GCC.
Leybold company profile
| Origins | 1850, Cologne, Germany |
|---|---|
| Headquarters | Cologne, Germany |
| Ownership | Atlas Copco, since September 2016 |
| Previous owner | Oerlikon |
| Product families | SOGEVAC single-stage and TRIVAC two-stage rotary vane pumps (including ATEX versions), NEO D rotary vane pumps, VACUBE screw pumps, dry screw and Roots pumps, turbomolecular pumps, vacuum gauges |
Milestones
- 1850: The business is founded in Cologne.
- 1911: The turbomolecular pump principle is developed with Wolfgang Gaede.
- 2016: Atlas Copco acquires Leybold.
- 2025: Leybold marks 175 years.
Leybold product series
SOGEVAC single-stage oil-sealed rotary vane pumps on this site include the SV 16 D, SV 25 B, SV 100 B and SV 220 B, and the SV 40 ATEX Category 2 pump for gas group IIB+H2. Two-stage rotary vane pumps include the NEO D 25 and the TRIVAC D 40 B, and the TRIVAC D 16 B-Ex is an explosion-protected version.
The VACUBE VQ 400 i and VQ 700 i are oil-sealed screw vacuum pumps with variable speed drive for larger volume flows. The catalogue numbers (for example 960 250) identify the exact pump variant and motor.
Where Leybold pumps are used
Vacuum packaging and food processing, drying and degassing, coating, metallurgy and heat treatment, transformer and power engineering work, chemical processes, laboratories and analytical instruments. ATEX versions serve areas where explosive gases may be pumped.
Leybold products we list
Ordering Leybold pumps: what we need
Send the Leybold catalogue number from the nameplate, or the pumping speed, ultimate pressure, gas or vapour being pumped, motor voltage and frequency, and any ATEX requirement. For service, state the pump model and serial number so the right oil, filters and kits can be quoted.
Facts checked against Leybold's own 175-year release and Atlas Copco announcements, October 2026.
Browse Leybold products by category: Pumps.
FAQ
Questions about the Leybold 960 181V SOGEVAC SV 16 D Oil-Sealed Rotary
Answers from our engineering team on installation, compatibility and integration.
01What is Leybold 960 181V?
It is the SOGEVAC SV 16 D oil-sealed rotary vane pump with a UL/CSA world three-phase motor and integrated gas ballast valve.
02What is the ultimate pressure?
0.5 mbar or less without gas ballast and 1.5 mbar or less with gas ballast according to the catalogue.
03Can I run the three-phase motor on low voltage?
Yes, but the catalogue states the pump is delivered in high voltage connection; the connections at the motor terminal board must be changed for low voltage.
04What is the protection class and weight?
IP 21-F and 25 kg with oil filling.
05Is Seven Star LLC the manufacturer of the SV 16 D?
No. Seven Star LLC is an independent supplier in Muscat and confirms the complete code with you before ordering.


















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