Description
1. Product Overview
The Vacuum Pump Overhaul Kits for EDWARDS and LEYBOLD systems are precision-engineered component assemblies designed to restore rotary vane vacuum pumps to original equipment manufacturer (OEM) performance standards. These kits are critical for maintenance operations in semiconductor fabrication, chemical processing, and pharmaceutical freeze-drying, where vacuum integrity directly impacts yield and safety. By replacing wear-prone parts in a single, validated kit, industrial operators reduce unplanned downtime by up to 40% and extend mean time between failures (MTBF)—a strategic lever for asset-intensive industries.
2. Key Specifications & Technical Characteristics
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Material components: High-grade nitrile (NBR) / FKM (Viton®-equivalent) elastomers, carbon-graphite vanes, stainless steel bearings, OEM-matched gaskets, and PTFE backup rings
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Purity / grade: Vacuum-grade, outgassing-optimized (<0.1% volatile loss per ASTM E595); no silicone-based contaminants
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Physical characteristics:
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Vane hardness: Shore A 85–92 (dynamic friction optimized)
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Bearing tolerance: ABEC 5 or better
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Seal compression set: <15% after 72h at 120°C
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Packaging options: Sealed anti-static bag + labelled clamshell kit per pump model (Edwards RV, nXDS; Leybold TRIVAC, SOGEVAC); bulk maintenance packs (5–10 kits per carton)
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Shelf life: 5 years in original unopened packaging (15–25°C, <65% RH)
3. Core Industrial Applications
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Primary industries: Semiconductor back-end fabs, analytical instrumentation, medical vacuum systems, chemical transfer, vacuum metallurgy, food packaging lines
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Specific use cases:
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Edwards RV12 pump: Full vane + bearing + seal replacement every 8,000 operational hours
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Leybold TRIVAC D65B: High-cyclic chemical duty (FKM kits for aggressive solvents)
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Performance advantage:
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Efficiency: Kit-matched components eliminate trial-and-error sourcing → 30% faster overhaul
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Durability: Carbon vanes with moly additive reduce cylinder bore wear by 22% vs. aftermarket generics
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Cost: At 3 overhaul cycles, kit-based maintenance is 47% cheaper than purchasing OEM singles per part (data based on global MRO benchmarks)
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4. Competitive Advantages
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Quality consistency: ISO 9001:2025 certified assembly; each kit undergoes leak-test simulation on actual Edwards/Leybold pump benches
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Supply reliability: 98% fill rate from regional hubs (EU, APAC, NAFTA) with 48-hour emergency dispatch
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Logistics capability: Palletized kit boxes with RFID tracking; export-crated for vibration-sensitive components
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Price competitiveness: Tier-1 OEM equivalent at 55–65% of OEM list price (volume-based rebates for >50 kits/year)
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Sustainability: 100% recyclable cardboard packaging; vanes manufactured from post-industrial carbon fiber waste (upcycled)
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Technical support: Exploded-view installation guide + torque spec sheet + QR-linked video for each pump model; engineer-reviewed cross-reference tool online
5. Commercial & Supply Information
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Minimum order quantity (MOQ): 10 kits (mixed models allowed for Edwards / Leybold)
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BULK 20MT loading capacity: Approx. 4,200 kits per 20′ dry container (standard kit: 4.7 kg, 0.0025 m³)
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Lead time: 7–14 days for MOQ; 21 days for full container load (FCL)
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Pricing model: Ex-works or CIF major port; letter of credit (L/C) or net 30 days for approved enterprise accounts






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