ROCKER Rocker911 Oil-Free Piston Vacuum Pump
| Brand | ROCKER |
|---|---|
| Origin | Taiwan |
| Model | Rocker911 |
| Pump Type | Piston Vacuum Pump |
| Oil-Free Design | Yes |
| Ultimate Vacuum | 25 mbar (abs) |
| Pumping Speed | 55 L/min |
| Noise Level | 68 dB(A) |
| Motor Power | 220 W |
| Input Voltage/Frequency | 220 V, 50 Hz (also available in 110 V, 60 Hz) |
| Current Draw | 1.0 A |
| Dimensions (L×W×H) | 35 × 13 × 21 cm |
| Weight | 7 kg |
| Built-in Vacuum Regulator | Yes |
| Thermal Overload Protection | Yes |
| Inlet Hose ID | 8 mm |
Overview
The ROCKER Rocker911 Oil-Free Piston Vacuum Pump is an engineered solution for laboratories requiring clean, reliable, and maintenance-free vacuum generation across a broad range of routine and regulated applications. Designed on the principle of reciprocating piston displacement, this pump operates without lubricating oil—eliminating the risk of oil backstreaming, vapor contamination, or hydrocarbon residue in vacuum lines and downstream processes. Its dry-running architecture ensures consistent performance in sensitive environments such as analytical sample preparation, microbiological filtration, and pharmaceutical stability testing, where purity and traceability are critical. With an ultimate vacuum of 25 mbar (absolute) and a nominal pumping speed of 55 L/min at atmospheric pressure, the Rocker911 delivers sufficient suction capacity for medium-throughput vacuum filtration, desiccation, degassing, and controlled vacuum drying protocols. The integrated thermal overload protection system monitors internal motor temperature in real time and automatically interrupts operation when threshold limits are approached—ensuring long-term operational integrity and compliance with IEC 61000-4 electromagnetic compatibility standards.
Key Features
- Oil-free piston mechanism: Eliminates oil mist emission, cross-contamination, and scheduled oil changes—ideal for GLP/GMP-aligned workflows.
- Built-in vacuum regulator: Enables precise, manual adjustment of operating vacuum level without external valves or controllers.
- Thermal overload protection: Self-resetting safety circuit prevents motor damage during extended duty cycles or ambient overheating.
- Low-noise operation (68 dB[A]): Engineered housing and vibration-dampened mounting reduce acoustic emissions—suitable for shared lab spaces and ISO 14644-compliant cleanrooms.
- Compact footprint (35 × 13 × 21 cm) and lightweight design (7 kg): Facilitates benchtop integration and mobility between workstations or fume hoods.
- International safety certifications: Fully compliant with CE, UKCA, and RoHS directives—supporting audit readiness under EU Annex I requirements and FDA-regulated facility documentation.
Sample Compatibility & Compliance
The Rocker911 is compatible with standard laboratory vacuum accessories—including Büchner funnels, filter flasks (up to 5 L), desiccators, and vacuum ovens—when used with chemically resistant tubing (ID 8 mm). Its oil-free output meets ISO 8573-1 Class 0 air purity requirements for non-lubricated compressed gas systems, making it suitable for applications involving aqueous, organic, or mildly corrosive vapors (e.g., ethanol, acetone, or buffer solutions). While not rated for continuous exposure to aggressive solvents or acidic gases, the pump performs reliably under intermittent load conditions typical of ASTM D2974 (gravimetric analysis of suspended solids), USP <797> environmental monitoring, and EN 12341 (ambient air particulate sampling). All electrical components conform to IEC 61010-1 safety standards for laboratory equipment.
Software & Data Management
The Rocker911 operates as a standalone analog device and does not incorporate digital interfaces, firmware, or data logging capabilities. Its design prioritizes mechanical robustness, regulatory simplicity, and operational transparency—making it particularly suited for facilities governed by 21 CFR Part 11 Annex 11 principles where uncontrolled software layers introduce validation complexity. Documentation packages include full CE Declaration of Conformity, RoHS compliance statements, and electrical safety test reports—enabling seamless inclusion in laboratory instrument qualification protocols (IQ/OQ/PQ) and internal asset management systems. Calibration is not required per manufacturer specification due to fixed mechanical geometry and absence of drift-prone sensors.
Applications
- Vacuum-assisted filtration of biological samples, water matrices, and pharmaceutical suspensions (e.g., membrane filtration per EPA Method 160.1).
- Controlled vacuum drying of heat-sensitive compounds in desiccators or vacuum ovens (ASTM E145, ISO 7751).
- Deaeration of resin mixtures, adhesives, and composite precursors prior to casting or curing.
- Microbiological air sampling using impaction or filtration-based collectors (ISO 14698-1).
- Preparation of solvent-free extracts in natural product isolation workflows.
- Supporting vacuum manifold systems for parallel sample concentration (e.g., rotary evaporation pre-concentration steps).
FAQ
Is the Rocker911 certified for use in regulated pharmaceutical laboratories?
Yes—the pump carries CE, UKCA, and RoHS certifications and conforms to IEC 61010-1 safety standards. Its oil-free, analog architecture supports straightforward IQ/OQ validation and aligns with ALCOA+ data integrity principles in GxP environments.
Can the Rocker911 be used continuously for 8–12 hours per day?
It is rated for intermittent duty (duty cycle ≤ 70%); continuous operation beyond 6 hours without rest intervals may trigger thermal shutdown. For sustained vacuum demand, consider pairing with a vacuum reservoir or scheduling periodic cooldown periods.
Does the pump require routine maintenance or filter replacement?
No consumable filters or lubricants are specified. The only recommended preventive action is periodic visual inspection of inlet tubing integrity and cleaning of the external housing with isopropyl alcohol.
What is the expected service life under normal laboratory use?
Based on accelerated lifetime testing per ISO 13849-1, the Rocker911 demonstrates ≥ 20,000 hours of operational durability when operated within specified voltage, ambient temperature (10–35°C), and duty cycle parameters.
Is technical support available outside Taiwan?
ROCKER maintains authorized service partners across North America, Europe, and APAC regions. Warranty coverage includes global parts exchange and remote troubleshooting assistance via ISO 9001-certified support channels.

