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Coval LEMAX90X14S Compact Vacuum Generator
Coval LEMAX90X14S is a high-performance compact vacuum generator equipped with built-in ASC Air Saving Control system, achieving energy consumption reduction of 75-99%. It is ideally applied to gripping airtight workpieces on automated production lines. Featuring integrated design with solenoid valve, vacuum switch and silencer, fast response time below 1 second and IP65 protection grade, it adapts to diverse industrial environments.
- Interpretation des Modellcodes
| Codesegment | Definition | Detaillierte Beschreibung |
| LEMAX | Produktserie | Compact integrated vacuum generator with ASC system, bis zu 90% Energieeinsparung |
| 90 | Vacuum Grade | Max relative vacuum: 85-90%, corresponding absolute pressure: 85-90kPa |
| X | Structural Code | Standard single vacuum generator, different from dual-unit (suffix B) and IO-Link type (suffix IO) |
| 14 | Nozzle Size | Inner nozzle diameter 1.4mm, determines maximum suction flow and air consumption |
| S | Steuermodus | 24V DC normally closed solenoid valves for vacuum and blow-off, fitted with electronic vacuum switch |
- Kernspezifikationsparameter
| Kategorie | Technischer Index | Bemerkungen |
| Grundleistung | ||
| Maximum Vacuum Degree | 85-90% (Relative Vacuum) | Automatically maintains preset vacuum with ASC activated |
| Suction Flow | 70Nl/min | Under standard working condition |
| Air Consumption | 90Nl/min | 75-99% consumption cut with ASC enabled |
| Nozzle Diameter | 1.4mm | Optional: 1.0mm, 1.2mm, 1.4mm |
| Elektrische Eigenschaften | ||
| Betriebsspannung | 24V DC ±10% | Ripple ≤10% |
| Steuermodus | Dual NC Solenoid Valves (Vacuum/Blow-off) | Vacuum status monitored by electronic switch |
| Connection Port | 2 pcs M8 4-pin Connectors | For power supply, control signal and status feedback |
| Ausgangsstrom | Max 125mA per channel | Overcurrent triggers Er1 fault |
| Pneumatic Parameters | ||
| Working Pressure Range | 3.0-6.0 Bar | Optimal pressure: 3.5 Bar |
| Ansprechzeit | Vacuum build-up: 0.99S, Blow-off release: 1.16S | Tested under 1L volume |
| Silencer | Built-in anti-clogging type | Noise reduced to 72-75dB(A) |
| Mechanische Dimension | ||
| Dimension (L×B×H) | 60×40×30mm | Compact structure saves installation space |
| Gewicht | Ca. 150G | Suitable for light manipulator and high-speed operation |
| Material | Körper: Anodized Aluminum Alloy; Seal: NBR Rubber | Good oil resistance for industrial use |
| Umgebungsbedingungen | ||
| Betriebstemperatur | 0-50°C | Avoid condensate freezing |
| Lagertemperatur | -20-60°C | Relative Luftfeuchtigkeit ≤90 %, keine kondensation |
| Schutzgrad | IP65 | Staubdicht und wasserdicht, applicable to harsh sites |
| Zertifizierung | ||
| CE-Zertifizierung | Konform mit EN 61010-1:2010 | Electrical safety certification |
| RoHS Certification | Compliant with EU Directive 2011/65/EU | Restriction of hazardous substances |
| Bestellnummer | 207097 | Original factory part number |
- Vollständige Modellliste der Serie
Standard LEMAX Series
| Modell | Nozzle Diameter | Steuermodus | Stecker | Max Vacuum | Suction Flow | Bestell-Nr. |
| LEMAX90X10S | 1.0mm | NC/NC | 2×M8 4-pin | 90% | 45Nl/min | 207095 |
| LEMAX90X12S | 1.2mm | NC/NC | 2×M8 4-pin | 90% | 60Nl/min | 207096 |
| LEMAX90X14S | 1.4mm | NC/NC | 2×M8 4-pin | 90% | 70Nl/min | 207097 |
| LEMAX90X10V | 1.0mm | NO/NC | 2×M8 4-pin | 90% | 45Nl/min | 207098 |
| LEMAX90X12V | 1.2mm | NO/NC | 2×M8 4-pin | 90% | 60Nl/min | 207099 |
| LEMAX90X14V | 1.4mm | NO/NC | 2×M8 4-pin | 90% | 70Nl/min | 207100 |
Dual-unit LEMAXB Series
| Modell | Konfiguration | Nozzle Diameter | Steuermodus | Stecker | Bestell-Nr. |
| LEMAX90X14SB | Dual Vacuum Generator | 1.4mm | NC/NC | 2×M8 4-pin | 207101 |
| LEMAX90X14SB2 | Dual Vacuum Generator | 1.4mm | NC/NC | 2×M12 4-pin | 207102 |
IO-Link LEMAXIO Series
| Modell | Kommunikationsprotokoll | Nozzle Diameter | Steuermodus | Stecker | Bestell-Nr. |
| LEMAXIO90X14SC14 | IO-Link | 1.4mm | NC/NC | 1×M8 4-pin | 4712 |
| LEMAXIO90X14SC15 | IO-Link | 1.4mm | NC/NC | 1×M12 5-pin | 4713 |
- Cross-brand Replacement Comparison
| Coval Model | FESTO Equivalent | SCHMALZ Equivalent | Piab Equivalent | Ersatzbeschreibung |
| LEMAX90X14S | VADMI-200 | SCPi 15 NEIN | P3010.NA | Identical vacuum level 85-90%, similar flow 70-80Nl/min, energy-saving equipped |
| – | VADMI-300 | SCPi 20 NEIN | P3020.NA | Higher flow 100-120Nl/min, for heavy workpieces |
| – | VADMI-100 | SCPi 10 NEIN | P3005.NA | Lower flow 30-40Nl/min, for light workpieces |
Replacement Selection Tips
- Vacuum matching: Ensure replacement vacuum degree ≥85% for airtight workpiece gripping
- Flow matching: Suction flow deviation controlled within ±10% to avoid unstable gripping
- Consistent control logic: Keep NC/NC or NO/NC mode to avoid PLC program modification
- Schnittstellenkompatibilität: Verify connector type and pin definition for safe electrical connection
- Häufige Fehler & Fehlerbehebung
| Fehlercode | Fault Description | Mögliche Ursache | Lösung |
| Er1 | S1 Output Overcurrent | Load current over 125mA, short circuit or wrong wiring | 1. Power off and inspect load |
| 2. Ensure current below 125mA | |||
| 3. Check wiring integrity | |||
| Er2 | S2 Output Overcurrent | Load current over 125mA, short circuit or wrong wiring | Same as Er1, inspect S2 circuit |
| Er3 | Vacuum Sensor Malfunction | Sensor damage or poor connection | 1. Verkabelung prüfen |
| 2. Clean sensor port | |||
| 3. Replace sensor module | |||
| No Vacuum Failure | Failed vacuum generation | Insufficient air pressure, clogged nozzle, damaged seal | 1. Adjust pressure to 3.5-6.0bar |
| 2. Back purge nozzle with compressed air | |||
| 3. Replace defective seals | |||
| Rapid Vacuum Drop | Unstable vacuum retention | Workpiece air leakage, ASC fault, valve leakage | 1. Check airtightness and add suction cups |
| 2. Restart ASC and reset threshold | |||
| 3. Inspect solenoid valve | |||
| Abnormal Noise | Noise over 75dB | Blocked silencer, excessive pressure, loose assembly | 1. Clean or replace silencer |
| 2. Set pressure to 3.5bar | |||
| 3. Fasten loose parts |
- Luftfracht-Compliance & Zertifizierung
Air Freight Assessment
| Compliance-Element | Result | Erläuterung |
| Gefahrgutklassifizierung | Non-hazardous | No built-in lithium battery or super capacitor, purely pneumatic electronic device |
| Magnetic Assessment | Non-magnetic cargo | No strong magnetic components, no impact on aircraft navigation |
| Packaging Requirement | Standard industrial package | Prevent mechanical damage and dust intrusion |
| Shipping Document | Ordinary cargo declaration | No dangerous goods declaration required |
Mandatory Certificates
- CE-Zertifikate: Conforms to EN 61010-1 electrical safety standard
- RoHS Compliance Statement: Free of lead, mercury and other hazardous substances
- Material Safety Data Sheet (MSDS)
- Original Factory Qualification Certificate
- Application Cases & Branchenanpassung
Typische Anwendungsszenarien
- Packaging Industry
Automatic handling and cartoning of food, pharmaceutical and daily chemical products. ASC system greatly cuts compressed air cost.
Fall: Cosmetic factory adopts LEMAX90X14S with robot to grip plastic bottles, energy consumption reduced by 85%, annual power saving about 120,000 RMB.
- Electronics Industry
Precise gripping of PCB boards, semiconductors and display panels without surface damage.
Fall: Mobile phone assembly line achieves positioning accuracy ±0.1mm, product yield raised to 99.8%.
- Automotive Components
Handling interior trims, plastic and stamping parts, suitable for high-speed production lines.
Fall: Car seat production improves line cycle efficiency by 20% with response time less than 1s.
- Medizinische Geräte
Automatic packaging of disposable medical supplies, meets GMP clean room standards.
Fall: Applied in 100,000-class clean workshop, oil-free and contamination-free.
Industry Adaptation Guide
| Industrie | Vorteile | Notizen |
| Food Packaging | Oil-free operation, FDA compliant | Regular cleaning, food-grade seal recommended |
| Electronic Manufacturing | Compact size for narrow installation space | Anti-static treatment to avoid component damage |
| Automotive Industry | High stability for harsh working conditions | Anti-vibration mounting, periodic seal inspection |
| Medical Equipment | Low noise and clean performance | Medical grade material adoption, regular disinfection |
- Auswahlregeln
Kurzanleitung zur Auswahl
- Vacuum Grade: 90 = 85-90% vacuum for airtight workpieces; 60 = 60-65% vacuum for light loads
- Nozzle Size: 1.0mm small flow, 1.2mm medium flow, 1.4mm large flow
- Steuermodus: S=NC/NC, V=NO/NC
- Sonderfunktion: B=dual unit, IO=IO-Link communication, C14=M8 port, C15=M12 port
- Anwendungsbereich: LEMAX for airtight workpieces; LEM+ for porous & rough surfaces
Purchasing Suggestion
- Confirm required nozzle diameter (1.0/1.2/1.4mm) and control mode (NC/NC or NO/NC)
- Select proper suction flow based on workpiece weight and dimension
- Reserve IO-Link function for future system expansion
- Contact authorized Coval distributors for bulk order discount
- Equip with vacuum suction cups and mounting brackets for stable operation
