Pfeiffer Vacuum D-35614 – Rotary Vane Vacuum Pump | Pfeiffer Asslar Platform
Engineering Background
Pfeiffer Vacuum GmbH, headquartered in Asslar, Germany (postal code D-35614), is one of the world’s leading manufacturers of vacuum technology. The D-35614 designation identifies the Asslar manufacturing origin — a hallmark of German precision engineering trusted by semiconductor fabs, research institutions, and industrial OEMs globally.
Product Positioning
This rotary vane vacuum pump is engineered for demanding industrial and laboratory environments where reliable rough-to-medium vacuum generation is critical. It serves as a standalone backing pump or as the primary vacuum source in multi-stage systems. Procurement engineers specify this unit for its proven durability, low maintenance cycle, and compatibility with Pfeiffer’s broader vacuum ecosystem.
Complete Technical Specifications
- SKU / Part Number: D-35614
- Manufacturer: Pfeiffer Vacuum GmbH
- Manufacturing Origin: Asslar, Germany (D-35614)
- Product Series: Pfeiffer Asslar Rotary Vane Vacuum Platform
- Pump Type: Rotary Vane Vacuum Pump
- Vacuum Range: Rough to medium vacuum (atmospheric to ~10⁻³ mbar)
- Weight: 1,220 g (1.22 kg)
- Cooling Method: Air-cooled
- Lubrication: Oil-sealed rotary vane mechanism
- Inlet / Outlet Connection: Per Pfeiffer standard flange specification
- Operating Voltage: Per unit nameplate (consult datasheet)
- Compliance: CE marked; manufactured to ISO 9001 quality standards
Proven Application Environments
- Semiconductor wafer processing and thin-film deposition (CVD/PVD)
- Analytical instrumentation: mass spectrometers, electron microscopes
- Industrial leak testing and helium leak detection systems
- Freeze-drying and lyophilization equipment
- Laboratory vacuum ovens and degassing chambers
- Backing pump for turbomolecular pump systems
- Packaging and food processing vacuum lines
Engineering Advantages
- German-Origin Precision: Manufactured at Pfeiffer’s Asslar facility — ISO-certified production with strict dimensional tolerances
- Low Vibration Design: Balanced rotor assembly minimizes vibration transmission to sensitive downstream equipment
- Oil-Sealed Reliability: Continuous oil film ensures consistent ultimate pressure and extended service intervals
- Broad Chemical Compatibility: Suitable for pumping dry, non-corrosive gases in standard configuration
- Compact Footprint: 1.22 kg unit weight enables flexible integration into benchtop and rack-mounted systems
- OEM Ecosystem: Direct compatibility with Pfeiffer controllers, oil mist separators, and exhaust filters
System Architecture & Signal Flow
In a typical two-stage vacuum system, the D-35614 operates as the roughing / backing stage:
- Process Chamber → rough vacuum drawn by D-35614 to ~10⁻¹ mbar
- D-35614 Outlet → feeds backing port of turbomolecular pump (e.g., Pfeiffer HiPace series)
- Turbomolecular Pump → achieves high vacuum (<10⁻⁶ mbar)
- Exhaust → through oil mist separator to atmosphere or exhaust manifold
For standalone applications, the D-35614 connects directly to the process vessel inlet flange and exhausts through an integrated or external oil mist filter.
Sourcing & Quality Verification
- Source: Konmask.com sources Pfeiffer Vacuum components through verified industrial supply channels
- Condition: Units are inspected prior to dispatch; original manufacturer labeling and serial numbers intact
- Documentation: Datasheet, CE declaration, and test records available upon request
- Traceability: Each unit traceable to Pfeiffer Vacuum’s Asslar production batch records
- Packaging: Ships in protective anti-static and foam-lined packaging to prevent transit damage
Procurement Process
- Inquiry: Submit RFQ via support@konmask.com with quantity, delivery timeline, and destination port
- Quotation: Formal quotation issued within 1 business day including unit price, lead time, and shipping terms (EXW/FOB/CIF available)
- Order Confirmation: PI issued upon order confirmation; payment terms: T/T, L/C, or agreed credit terms
- Quality Check: Pre-shipment inspection report provided; third-party inspection available on request
- Shipping: DHL Express / sea freight / air freight — Incoterms negotiable
- After-Sales: Technical support and warranty claim coordination through Konmask.com
Technical FAQ
Q: Is the D-35614 suitable for pumping corrosive gases?
A: Standard configuration is designed for dry, non-corrosive gases. For corrosive or aggressive media, consult Pfeiffer Vacuum for chemically resistant variants.
Q: What oil type is recommended?
A: Pfeiffer P3 or equivalent mineral-based vacuum pump oil. Synthetic alternatives must meet Pfeiffer’s viscosity and vapor pressure specifications.
Q: Can this pump operate continuously (24/7)?
A: Yes. Pfeiffer rotary vane pumps are rated for continuous duty cycles when operated within specified temperature and gas load parameters.
Q: What is the recommended maintenance interval?
A: Oil change every 2,000–3,000 operating hours under normal conditions; inspect inlet filter and exhaust valve annually.
Q: Is a CE declaration of conformity available?
A: Yes. CE documentation is available upon request for customs and compliance purposes.
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