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- Authoritative Model Code Definition
AG-3021-UNIVER
- AG: Código de série para válvulas de assento de vácuo padrão UNIVER, diferenciado da IA (válvulas pneumáticas), CM (cilindros compactos) e outras séries, especialmente projetado para aplicações de vácuo.
- 3021: Combined product specification code. 30 stands for 3/2-way valve type; 21 represents G1/2 port size plus normally open (NÃO) função.
- UNIVER: Original Italian brand logo, engaged in pneumatic component manufacturing for 60 years and a leading supplier of vacuum technology in Europe.
- Parâmetros técnicos principais (Padrão Oficial)
| Categoria de parâmetro | Especificação detalhada | Observações |
| Parâmetros Básicos | ||
| Valve Type | 3/2-way Poppet Valve | Diaphragm structure, ideal for vacuum applications |
| Modo de operação | Normalmente aberto (NÃO), opens when power off / no control air | Spring return, solenoid + auxiliary pneumatic control |
| Modo de controle | Elétrico + compressed air auxiliary control (Type U2) | Auxiliary control air pressure ≥3bar required |
| Operação Manual | Screwdriver slot type manual emergency operation | Convenient for commissioning and troubleshooting |
| Parâmetros de desempenho | ||
| Tamanho da porta | G1/2″ (DN15) | Standard thread connection with high versatility |
| Rated Flow Rate | 20 m³/h | Strong vacuum suction, suitable for medium and small vacuum sucker systems |
| Maximum Vacuum Degree | 759.5 mmHg (0.5 Torr) | Aprox.. 101.2 kPa vacuum pressure, meets most industrial vacuum demands |
| Minimum Control Air Pressure | 3 bar | Ensure reliable valve switching |
| Tempo de resposta | ≤50 ms | Fast vacuum on-off to boost production efficiency |
| Parâmetros Físicos | ||
| Valve Body Material | Zamak Zinc-Aluminum Alloy | Lightweight design with good corrosion resistance |
| Spool Material | Aço | High strength to guarantee sealing performance |
| Sealing Material | Polyurethane (valve seat) + Vulkollan (diaphragm) | Special vacuum sealing material with low leakage rate |
| Temperatura operacional | 0℃ ~ +50 ℃ | Fit industrial environments, avoid condensed water freezing |
| Meio de trabalho | Filtered air (50precisão de filtração μm) | Dry compressed air with oil mist lubrication is recommended |
| Peso | 1.235 kg | Fácil instalação, reduce equipment load |
| Classe de Proteção | IP65 | À prova de poeira e à prova d'água, adaptável a condições industriais adversas |
- Diretrizes do ambiente de aplicação
Cenários recomendados (✅ Aplicável)
- Linhas de produção automáticas: Vacuum sucker material handling systems (PCB boards, glass sheets, thin metal plates, cartons, etc.)
- Máquinas de embalagem: Vacuum thermoforming machines, vacuum sealing machines, vacuum adsorption systems for labelling machines
- Equipamento de impressão: Vacuum feeding for paper and positioning adsorption for printed products
- Fabricação Eletrônica: Vacuum handling and positioning systems for semiconductor wafers and display panels
- Máquinas para trabalhar madeira: Vacuum fixing for plates, vacuum worktables of CNC machining centers
Cenários não recomendados (❌ Evite)
- Strong corrosive environments (acid & alkali gas): Custom stainless steel version is suggested.
- High-temperature environments (over 50℃): Accelerate seal aging and weaken vacuum performance.
- Oil-free lubrication systems: Cause seal wear and shorten service life in long-term operation.
- High-dust environments without filtration: Easily lead to spool jamming; fine filter installation is required.
- Liquid medium or high-humidity environments: Prone to internal icing and corrosion; air dryer shall be equipped.
- Lista de substituição equivalente entre marcas
| Modelo original | Marca Alternativa | Modelo de substituição | Notas de compatibilidade |
| UNIVER AG-3021 | FESTA | VADMI-300-N | Same 3/2-way vacuum valve, G1/2 port, control air pressure needs adjustment |
| SMC | VV5Q11-06 | Normally open vacuum valve, Rc1/2 port, slight difference in mounting dimension | |
| ÁRTICO | 3V310-10-NO | Alternativa econômica, PT1/2 port, longer response time (≤80ms) | |
| CAMOZZI | 338-015-00 | Same type vacuum poppet valve with basically identical performance parameters | |
| NORUEGA | VM10101-06 | Vacuum solenoid valve compatible with UNIVER control systems, coil replacement needed |
- Complete AG Series Order Number List (Última versão oficial)
| Número do pedido. | Full Model Name | Recursos especiais | Cenários Aplicáveis |
| AG-3021 | AG-3021 | 3/2-way, G1/2, normalmente aberto, solenoid + pneumatic control | General vacuum systems, médio & small vacuum suckers |
| AG-3011 | AG-3011 | 3/2-way, G1/4, normalmente aberto, solenoid + pneumatic control | Mini vacuum systems for precise operation |
| AG-3031 | AG-3031 | 3/2-way, G3/4, normalmente aberto, solenoid + pneumatic control | Large vacuum systems with high flow demand |
| AG-3020 | AG-3020 | 3/2-way, G1/2, normalmente fechado, solenoid + pneumatic control | Safety-prioritized systems, maintain vacuum when power off |
| AG-3022 | AG-3022 | 3/2-way, G1/2, normalmente aberto, pure pneumatic control (no solenoid) | Explosion-proof areas without electric control demand |
| AG-3023 | AG-3023 | 3/2-way, G1/2, normalmente aberto, with feedback signal | High-automation systems for status monitoring |
- Diagnóstico de falhas comuns & Soluções de manutenção (Oficial recomendado)
| Fenômeno de falha | Possíveis causas | Etapas de solução de problemas | Soluções de manutenção |
| Insufficient vacuum degree | 1. Aged/damaged seals | 1. Check scratches on sealing surface | 1. Replace polyurethane seals |
| 2. Worn spool | 2. Measure control air pressure (≥3bar required) | 2. Grind or replace the spool | |
| 3. Insufficient control air pressure | 3. Inspect vacuum pipeline leakage | 3. Adjust control air pressure to standard value | |
| Valve fails to switch | 1. Faulty solenoid coil | 1. Check coil power supply (AC220V/DC24V) | 1. Replace coil of the same model |
| 2. Blocked control air circuit | 2. Dismantle air circuit to remove impurities | 2. Clean air circuit and install filter | |
| 3. Unreset manual operating lever | 3. Confirm manual lever is in automatic position | 3. Reset manual operating lever | |
| Valve cannot open after power cut | 1. Fatigued return spring | 1. Check spring elasticity | 1. Replace return spring |
| 2. Stuck spool | 2. Dismantle spool to remove foreign matters | 2. Clean spool and apply special vacuum grease | |
| 3. Excessively high vacuum pressure | 3. Verify vacuum pressure does not exceed rated maximum | 3. Adjust vacuum system pressure | |
| Air leakage from valve | 1. Broken diaphragm | 1. Check cracks on diaphragm | 1. Replace Vulkollan diaphragm |
| 2. Unsealed thread connection | 2. Confirm thread sealed with raw material tape/sealant | 2. Re-seal thread joints | |
| 3. Worn valve seat | 3. Inspect valve seat sealing surface | 3. Replace or grind valve seat | |
| Valve inactive with normal control air pressure | 1. Aged inelastic diaphragm | 1. Check diaphragm elasticity | 1. Replace diaphragm |
| 2. Blocked internal passage | 2. Dismantle valve body to clean internal passages | 2. Purge internal passages with compressed air | |
| 3. Wrong coil polarity | 3. Confirm correct positive and negative wiring of coil | 3. Adjust coil wiring polarity |
- Casos de aplicação típicos
Caso 1 Indústria Eletrônica: PCB Board Vacuum Conveying System
Perfil do cliente
A large-scale PCB manufacturer with annual output of 1 million square meters multi-layer circuit boards, requiring high-speed and high-precision conveying for 0.2-3mm thick PCB boards.
Principais Desafios
- Thin and flexible PCB boards are easy to be damaged by traditional mechanical clamps.
- Production line speed reaches 60m/min, requiring fast vacuum system response.
- Slight dust exists in working environment, stable vacuum performance is required.
- Vacuum pressure needs to be maintained after power off to prevent PCB falling.
Soluções
Equipar 12 sets of AG-3021 vacuum valves matched with UNIVER vacuum suckers on both sides of conveying lines.
Adopt AG-3020 normally closed valves as standby to keep vacuum under power failure.
Install 5μm precision filters and automatic drainers to ensure clean air source.
Efeitos de aplicação
- PCB damage rate dropped from 5% para 0.3%, economizando cerca de 2 million RMB annually.
- Vacuum response time less than 40ms, fully meeting high-speed production demands.
- Operação contínua sem problemas para 180 dias, frequência de manutenção reduzida em 70%.
- Stable vacuum degree above 700mmHg ensures reliable PCB adsorption.
Caso 2 Indústria de embalagens: High-speed Thermoforming Packaging Machine
Perfil do cliente
A food packaging enterprise producing 5 million packs of snack packages daily via thermoforming packaging machines.
Principais Desafios
- Packaging film thickness only 0.08-0.15mm requiring even vacuum suction.
- Packaging speed up to 120 packs per minute needing rapid vacuum switching.
- High ambient temperature up to 40℃ demands good high-temperature resistance of valves.
- Oil-free pollution is required to meet food industry hygiene standards.
Soluções
Adopt standard AG-3021 matched with food-grade vacuum suckers.
Apply oil-free lubrication system equipped with oil mist separators.
Install temperature sensors to monitor valve operating temperature in real time.
Efeitos de aplicação
- Packaging film breakage rate decreased from 3.5% para 0.8%, economizando cerca de 1.5 million RMB material cost yearly.
- Valve response time below 35ms satisfies high-speed packaging production.
- Passed FDA food-grade certification and meets food safety standards.
- Valve service life extended to 2 anos, 50% mais do que produtos similares.
- Compliance Certificates & Informações de envio
- Certificações
Certificados CE: Em conformidade com a norma de segurança elétrica industrial da UE EN 60947-5-2
ISO 9001 Certificate: UNIVER quality management system certification
Certificado RoHS: Design ecológico sem chumbo em conformidade com as diretivas ambientais da UE
- Conformidade com frete aéreo
Sem baterias de lítio embutidas, supercapacitores ou substâncias perigosas
Classified as ordinary industrial pneumatic components, no special documents required for air and sea shipment
Package conforms to ISTA 2A standard for direct international transportation
- Origem: Manufactured in Milan, Itália, original importado com qualidade garantida
Precise Application Scenarios of UNIVER AG-3021 Vacuum Valve
Posicionamento do produto: Italian UNIVER 3/2-way normally open vacuum solenoid valve with G1/2 port, specially used for vacuum adsorption circuit on-off control, suitable for medium-large flow and frequent switching.
Main Applicable Scenarios
- Automatic Manipulator Handling
Vacuum grabbing and transferring of steel plates, aluminum plates and stainless steel plates
Loading & unloading grabbing of cartons, plastic boxes and material containers
Vacuum adsorption and shifting of workpieces on assembly lines
- Packaging Machinery Industry
Vacuum circuit control for thermoforming machines
Negative pressure adsorption for vacuum labellers and film laminators
Food vacuum sealing machines, horizontal packing machines
Vacuum opening and feeding of express bags and packaging bags
- Impressão & Paper Industry
Paper feeding and conveying for high-speed printing machines
Adsorption positioning of color boxes and corrugated boards
Vacuum fixing for die-cutting machines and paper pasting machines
- Máquinas para trabalhar madeira
Vacuum plate fixing on CNC cutting machines and engraving machines
Negative pressure pressing for wooden doors and plate veneering
Plate positioning and clamping on furniture production lines
- Vidro & Photovoltaic Industry
Vacuum grabbing and conveying of flat glass and tempered glass
Loading and unloading of photovoltaic glass and solar panels
Adsorption transferring of lenses and acrylic sheets
- 3C Electronic Industry
Vacuum conveying of PCB circuit boards
Material picking by adsorption for display panels, backlight panels and plastic housings
Vacuum positioning of battery cells and battery modules
- Logistics Sorting Industry
Vacuum diversion for automatic express sorting
Vacuum grabbing and stacking of materials
- Borracha & Plastic Industry
Vacuum control for plastic sheet and film stretching forming
Negative pressure shaping and adsorption conveying of rubber products
Condições de Trabalho Aplicáveis
- On-off matching for medium and small centralized vacuum generators
- 24-hour frequent start-stop vacuum systems on assembly lines
- General automatic equipment in clean air source and normal temperature workshops
- Safety working conditions requiring automatic vacuum breaking when normally open and power off
Inapplicable Working Conditions
- Severe environments with strong corrosion, heavy oil pollution and unfiltered dense dust
- High-temperature baking and hot air drying equipment above 50℃
- Ultra-high negative pressure precision micro vacuum testing equipment
- Underwater and damp immersion working conditions
- Flammable and explosive sites without explosion-proof modification
Complete Matching Coil Voltage Specifications for UNIVER AG-3021
Core Matching Information
AG-3021 adopts Type U2 electro-pilot valve; coils are separately optional accessories compatible with various standard industrial voltages.
| Voltage Type | Standard Rating | Coil Model | Classificação de potência | Cenários Aplicáveis |
| Tensão CC | 12Em DC | DB-0501 | 11C | Mini equipment, battery-powered systems |
| 24Em DC (Recomendado) | DB-0502 | 11C | Standard industrial automation voltage, compatible with PLC systems | |
| 48Em DC | DB-0503 | 11C | Special industrial equipment | |
| Tensão CA | 24V e | DB-0507 | 10VA | Low-voltage safety systems |
| 110V e | DB-0508 | 10VA | North American & Japanese standard industrial voltage | |
| 230V e (European Standard) | DB-0509 | 10VA | europeu & Chinese standard industrial voltage | |
| 115V e | DB-0510 | 10VA | Special application occasions |
Key Technical Points
- Voltage Fluctuation Range: ±10% of rated voltage (in line with UNIVER solenoid valve standards)
- Modo de fiação: Standard DIN Type A connector; optional 90° upward connector, inline connector or 300mm loose cable
- Duty Cycle: 100% operação contínua (ED=100%), suitable for 24-hour non-stop production lines
- Classe de Proteção: Coil body IP65, dustproof and waterproof for industrial use
Sugestões de seleção
- Prioritize 24V DC: Most widely used in industrial automation, compatible with PLC/DCS control systems with strong anti-interference performance.
- Notes for AC coils: 110V/230V AC coils shall be installed indoors in accordance with EN-60204-1 to ensure ventilation and heat dissipation.
- Ambientes especiais: Explosion-proof coils need customized order for hazardous areas.
- Installation Tip: Coils are connected to valve bodies via snap-fit structure for easy replacement without special tools.
Perguntas frequentes
- Is the coil supplied together with the valve?
Não. AG-3021 valve body and coil are sold separately; purchase coils according to actual control voltage.
- Are coils of different voltages interchangeable?
Sim. Coils with different voltage ratings can be replaced freely as long as they match Type U2 electro-pilot interface.
- Consequences of wrong voltage supply
Subtensão: Insufficient electromagnetic force leads to failed valve switching
Sobretensão: Coil overheating burnout and electro-pilot valve damage
