Truelab 2XZ-1 / 2XZ-2 / 2XZ-4 Oil-Lubricated Rotary Vane Vacuum Pumps

Overview

The Truelab 2XZ series comprises oil-lubricated rotary vane vacuum pumps engineered for reliable, continuous low-to-medium vacuum generation in laboratory environments. Based on the fundamental principle of positive displacement via rotating vanes within an eccentrically mounted rotor, these pumps achieve stable vacuum levels down to 6×10⁻² Pa (0.06 Pa) — sufficient for applications requiring rough to medium vacuum, including solvent removal, vacuum drying, degassing, and inert atmosphere preparation. Unlike dry scroll or diaphragm pumps, the oil-sealed design ensures consistent vapor handling capability, enhanced sealing performance at low pressures, and effective heat dissipation during extended operation. The 2XZ-1, 2XZ-2, and 2XZ-4 models are differentiated by pumping speed (1, 2, and 4 L/s respectively), motor power rating, inlet port size, and physical footprint — enabling precise matching to system conductance requirements and duty cycle demands.

Key Features

• Robust rotary vane architecture with precision-machined aluminum alloy housing and hardened steel vanes for long service life under intermittent and semi-continuous use.
• Integrated oil mist separator and sight glass for real-time monitoring of oil level and condition — critical for maintaining pump efficiency and preventing backstreaming.
• Low-noise operation (<65 dB(A)) and minimal mechanical vibration due to balanced rotor dynamics and elastomeric mounting interfaces.
• Compact footprint optimized for benchtop integration: all models maintain a uniform width (140 mm) and height (~235–255 mm), facilitating placement beneath fume hoods or inside instrument cabinets.
• Thermal overload protection and dual-stage oil filtration system to extend lubricant service intervals and reduce maintenance frequency.
• Standard G1/4″ BSP inlet and exhaust ports with optional ISO-KF flange adapters for seamless integration into modular vacuum manifolds.

Sample Compatibility & Compliance

The 2XZ series is compatible with standard laboratory vacuum accessories including vacuum desiccators, rotary evaporators (e.g., Buchi R-300, IKA RV 10), vacuum ovens (e.g., Memmert VO, Binder VD), and gas distribution manifolds. It is not suitable for pumping condensable vapors without cold traps or corrosive gases without chemical scrubbers. While not certified to ISO 8573-1 for compressed air purity, the pump meets general-purpose industrial safety standards per GB/T 19001 (equivalent to ISO 9001) for manufacturing quality control. Oil used conforms to ISO VG 100 specifications; users must adhere to scheduled oil replacement (every 500 operating hours or per manufacturer’s maintenance log) to ensure compliance with GLP documentation requirements for traceable instrument performance.

Software & Data Management

As a standalone mechanical vacuum source, the 2XZ series does not incorporate digital controllers or embedded firmware. However, it is fully compatible with external vacuum monitoring systems (e.g., Pfeiffer TPG300, MKS Baratron pressure transducers) and programmable logic controllers (PLCs) via analog 0–10 V or 4–20 mA output interfaces when paired with optional pressure-sensing add-ons. All units include a standardized maintenance log template aligned with FDA 21 CFR Part 11 audit trail expectations — supporting electronic record retention for QC/QA workflows in regulated laboratories. Calibration certificates for associated pressure gauges (not included) may be provided upon request to satisfy ISO/IEC 17025 traceability requirements.

Applications

• Rotary evaporation of organic solvents (e.g., ethanol, acetone, ethyl acetate) under controlled vacuum conditions.
• Dehydration of hygroscopic samples in vacuum drying ovens prior to gravimetric analysis or XRD sample preparation.
• Evacuation of gloveboxes and Schlenk lines during air-sensitive synthesis procedures.
• Pre-evacuation of mass spectrometer ion sources and electron microscopy chambers before high-vacuum pumping stages.
• Supporting vacuum filtration setups for particulate recovery in environmental water testing protocols (e.g., EPA Method 1664).

FAQ

What is the recommended oil type and change interval?
Truelab specifies ISO VG 100 mineral-based vacuum pump oil. Oil should be replaced after initial 100 hours of operation, then every 500 hours or quarterly — whichever occurs first — especially when processing solvents with high vapor pressure.
Can the 2XZ pump be operated continuously?
Yes, but only with adequate ventilation and ambient temperature ≤35°C. Continuous duty requires periodic oil level verification and adherence to thermal shutdown limits built into the motor winding protection circuit.
Is this pump suitable for cleanroom environments?
Not as a primary vacuum source in Class 100 or ISO 5 cleanrooms due to potential oil mist emission; however, it may serve as a forepump for turbomolecular systems when equipped with an oil mist filter and installed in a dedicated utility alcove.
How do I interpret the ultimate pressure specification of 6×10⁻² Pa?
This value represents the lowest steady-state pressure achievable under ideal conditions (clean chamber, no leaks, new oil, room temperature). Actual system pressure will depend on conductance losses, outgassing rates, and upstream leak integrity — typically verified using helium leak detection per ASTM E493.
Are CE or UL certifications available for export?
Units supplied for EU markets include CE marking per Machinery Directive 2006/42/EC and EMC Directive 2014/30/EU. UL 61010-1 listing is available upon request for North American distribution channels.