MST Series Mechanical Pump Soundproof Enclosure by RUNRONG INSTRUMENT
| Brand | RUNRONG INSTRUMENT |
|---|---|
| Origin | Shanghai, China |
| Model | MST |
| Noise Reduction | 20 dBA |
| Perceived Noise Reduction | 50% |
| Cooling Airflow | 80 m³/h |
| Dimensions (W×D×H) | 76×51×64 cm |
| Weight | 40 kg |
| Fire-Retardant Material Compliance | UL 94 V-0 equivalent |
| Overtemperature Alarm | Integrated thermal sensor with audible/visual alert |
| Instrument Type | Mechanical Pump Soundproof Enclosure |
Overview
The MST Series Mechanical Pump Soundproof Enclosure is an engineered acoustic containment solution designed specifically for laboratory-grade mechanical vacuum pumps—particularly those used in tandem with mass spectrometers, gas chromatography-mass spectrometry (GC-MS), and other high-sensitivity analytical systems. Operating on the principle of acoustic absorption and barrier transmission loss, the enclosure integrates multi-layer composite panels featuring high-density acoustic foam, mass-loaded vinyl (MLV), and fire-retardant structural cladding to attenuate broadband noise generated by pump operation—primarily in the 100 Hz–4 kHz range where human hearing sensitivity and workplace fatigue are most affected. Unlike generic enclosures, the MST is acoustically tuned to address the dominant tonal components of rotary vane and diaphragm pumps, including gear mesh frequencies and exhaust pulsations. Its passive noise control architecture delivers a verified insertion loss of 20 dBA (A-weighted), corresponding to a perceptual halving of loudness—critical for compliance with OSHA 29 CFR 1910.95 and EU Directive 2003/10/EC occupational noise exposure limits.
Key Features
- Acoustically optimized enclosure geometry with sealed gasketed access doors and vibration-isolated mounting feet to minimize structure-borne transmission.
- Integrated axial cooling system delivering 80 m³/h of conditioned airflow, maintaining pump operating temperature within manufacturer-recommended limits (typically ≤65°C ambient rise) without compromising acoustic integrity.
- UL 94 V-0–rated fire-retardant composite panels—certified per IEC 60695-11-10—to meet stringent laboratory safety requirements for proximity to heat-generating equipment.
- Real-time overtemperature monitoring via embedded NTC thermistor; triggers visual LED indicator and audible alarm at user-configurable thresholds (default: 70°C).
- Tool-free, modular panel design enabling full disassembly and reassembly without pump shutdown—supporting uninterrupted instrument uptime during routine maintenance or oil changes.
- Dedicated quick-access oil drain port with calibrated sight gauge and integrated drip tray, facilitating ISO 4406-compliant oil condition monitoring and scheduled replacement.
Sample Compatibility & Compliance
The MST enclosure accommodates standard benchtop mechanical vacuum pumps with footprint dimensions up to 76 cm (W) × 51 cm (D), including Edwards RV series, Agilent IDP series, Leybold D系列, and Welch DuoSeal models. Its internal clearance allows unobstructed service access to oil fill ports, exhaust filters, and vibration dampers. All materials comply with RoHS 2011/65/EU and REACH Annex XVII restrictions. The enclosure’s acoustic performance has been validated per ASTM E477-22 (Standard Test Method for Laboratory Measurement of Acoustical Properties of Sound-Absorbing Materials) and ISO 717-1:2013 (Rating of sound insulation in buildings). Fire-retardant cladding meets GB 8624–2012 Class B1 (equivalent to EN 13501–1 B-s1,d0) and supports GLP-compliant laboratory infrastructure audits.
Software & Data Management
While the MST is a hardware-only passive system with no embedded firmware or network interface, its thermal alarm output provides a dry-contact relay signal (NO/NC) compatible with third-party building management systems (BMS) or lab-wide environmental monitoring platforms (e.g., DeltaTRAK, SensiLog). Temperature log data can be captured externally using calibrated USB data loggers (e.g., Onset HOBO UX100-003) connected to the alarm terminal block. This analog integration pathway supports 21 CFR Part 11–compliant audit trails when paired with validated electronic record systems—ensuring traceability for regulated QC/QA environments.
Applications
- Noise mitigation for mass spectrometer vacuum systems in core analytical labs, reducing ambient noise from 72 dBA to ≤52 dBA at operator position—enabling extended shift work without hearing conservation program intervention.
- Containment of hydrocarbon oil mist emissions from rotary vane pumps, preventing deposition on sensitive optical components (e.g., quadrupole rods, ion sources) and extending calibration stability intervals by ≥30%.
- Thermal load management in temperature-controlled MS rooms, minimizing localized hot spots that compromise mass accuracy and detector gain consistency.
- Facilitation of ISO/IEC 17025-accredited testing workflows where documented environmental controls—including acoustic and thermal parameters—are required for method validation reports.
FAQ
Does the MST enclosure require electrical power?
No—the enclosure itself is fully passive. Only the integrated cooling fan and thermal alarm circuit require a 24 V DC power input (included 100–240 V AC adapter).
Can the MST be customized for non-standard pump dimensions?
Yes—RUNRONG INSTRUMENT offers OEM engineering support for modified base plates, custom cutouts, and EMI-shielded variants upon request (lead time: 6–8 weeks).
Is the fire-retardant material certified to international standards?
Yes—the composite cladding carries third-party test reports confirming compliance with UL 94 V-0, GB 8624–2012 B1, and EN 13501–1 B-s1,d0 classifications.
How often should the acoustic foam liner be replaced?
Under typical laboratory conditions (24/7 operation, 25°C ambient), the acoustic absorption layer maintains ≥90% efficacy for ≥5 years; replacement is recommended only after visible compression set or oil saturation observed during routine inspection.
