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VR51-C06B-SMC is a two-hand safety control valve manufactured by SMC. Das Standardmodell ist VR51-C06B, mit „-SMC“ als Markenkennung. Dieses Produkt gehört zur VR51-Serie und ist eine Schlüsselkomponente in der Sicherheitssteuerung der industriellen Automatisierung, dient zur Vermeidung von Handquetschverletzungen und ähnlichen Unfällen während des Betriebs.
- Kernparameter & Spezifikationen
| Artikel | Spezifikation |
| Typ | Two-hand safety control valve, 3/2 way |
| Operating pressure range | 0.25 ~ 1 MPa (2.5 ~ 10 Bar) |
| Prüfdruck | 1.5 MPa |
| Umgebungstemperatur | -5 ~ 60°C (no freezing) |
| Portgröße | Metric ø6 mm, Imperial ø1/4″ |
| Body material | Die-cast aluminum alloy |
| Flow characteristic | Max. flow rate 1 L/s |
| Actuation | Output only when both buttons are operated simultaneously (within 0.5 Sekunden) |
| Zertifizierung | Complies with EN574 / EN ISO 13851 safety standards |
| Austauschbarkeit | Interchangeable with XT92-67□ series |
- Funktionen & Anwendungsfunktionen
- Safety control core: Enforces simultaneous two-hand operation to prevent operators from placing hands in hazardous areas during machine operation.
- Fast response mechanism: Strict 0.5-second time limit for two-hand operation ensures reliable safety interlocking.
- Independent control design: Functions as a standalone unit and can form complete safety circuits with push-button mechanical valves, air-operated valves, usw.
- Installation flexibility: Optional mounting bracket available for various industrial environments.
- Environmental adaptability: Wide operating temperature range suitable for most industrial conditions.
- Model Code Explanation
VR51: Seriencode, two-hand control valve
C06: Portgröße, ø6 mm
B: Structure type with push-button operation and bracket
- Anwendungen
Metalworking equipment: punching, shearing, bending machines
Pressure forming machinery: Spritzgießmaschinen, die-casting machines
Hazardous stations on automated assembly lines
All industrial equipment requiring simultaneous two-hand operation for safety
Complete Model List of SMC Two-Hand Control Valves (VR51 Series)
- Model Nomenclature
VR51 – [Port Size] – [Option] – SMC
| Teil | Bedeutung | Available Values |
| VR51 | Seriencode | Behoben: two-hand safety control valve |
| Portgröße | One-touch fitting size | C06 (ø6 mm, metric), C07 (ø1/4″, imperial) |
| Option | Montageart | None (Standard, no bracket), B (with bracket VR51B) |
| SMC | Brand identifier | Behoben |
- Complete Model List
| Modell | Port Size | Montage | Verbindung | Suitable Tubing | Notizen |
| VR51-C06-SMC | C06 | Without bracket | ø6 mm (metric) | Nylon, soft nylon, polyurethane, FR soft nylon, usw. | Standardtyp, complies with EN574/EN ISO 13851 |
| VR51-C06B-SMC | C06 | With bracket VR51B | ø6 mm (metric) | Nylon, soft nylon, polyurethane, FR soft nylon, usw. | With mounting bracket for fixed installation |
| VR51-C07-SMC | C07 | Without bracket | ø1/4″ (imperial) | Nylon, soft nylon, polyurethane, FR soft nylon, usw. | Imperial port, for North American market |
| VR51-C07B-SMC | C07 | With bracket VR51B | ø1/4″ (imperial) | Nylon, soft nylon, polyurethane, FR soft nylon, usw. | Imperial port with mounting bracket |
- General Specifications (Whole Series)
| Artikel | Spezifikation |
| Typ | Two-hand safety control valve, 3/2 way |
| Operating pressure | 0.25 ~ 1 MPa (2.5 ~ 10 Bar) |
| Prüfdruck | 1.5 MPa |
| Umgebungstemperatur | -5 ~ 60°C (no freezing) |
| Body material | Die-cast aluminum alloy |
| Flow characteristics | P→A: C=0.3 dm³/(s·bar), A→R: C=0.12 dm³/(s·bar), Cv=0.25 |
| Actuation | Output only with simultaneous two-hand operation within 0.5 S |
| Standards | EN574:1996+A1:2008, Type IIIA |
| Austauschbarkeit | XT92-67□ series compatible |
| Gewicht | Ca. 340 G |
| Zubehör | Muffler AN101-01 (optional), Bracket VR51B (optional) |
- Model Selection Guide
By Port Size
Asian market: C06 (ø6 mm) empfohlen
Nordamerikanischer Markt: C07 (ø1/4″) empfohlen
By Installation
For fixed installation: select models with suffix B (including bracket)
For temporary installation or limited space: standard models without B
Sicherheitshinweise
Output is enabled only when both buttons are pressed simultaneously within 0.5 Sekunden.
Operating pressure must be 0.25–1 MPa; unten 0.25 MPa, safety performance is not guaranteed.
Used on hazardous machines such as presses, shears, and benders to prevent hand injuries.
SMC two-hand control valves (mainly VR51 series) require simultaneous operation of both hands to start equipment, preventing crushing, pinching, or shearing injuries caused by operators reaching into danger zones with one hand. They are mainly used on machinery with crushing, punching, shearing, or mold-closing hazards.
Typical Equipment
- Pressing & forging equipment
Mechanical presses, hydraulic punches, high-speed presses
Bending machines, shearing machines
- Plastics & die-casting machinery
Injection molding machines, Extruder
Die-casting machines, rubber molding machines
- Schweißen & assembly equipment
Resistance welders, spot welders
Automated press-fit assembly machines
- Woodworking & metalworking machinery
Wood planers, panel joiners
Riveting machines, crimping machines
- Other hazardous motion equipment
Hydraulic/pneumatic clamping units
Mold opening/closing and heavy press mechanisms
Hazardous stations on automated production lines
Anwendungsszenarien
Single hazardous motion control: Single stroke, shearing, or mold closing only when both buttons are pressed together.
Safety interlock protection: Prevents hands from entering dies, blades, or press zones during machine operation.
Manual loading/unloading stations: Machine starts only after the operator removes hands from hazardous areas.
Semi-automatic stations: Without full safety guard doors, relying on operator discipline.
Branchenanwendungen
Automotive stamping and sheet metal processing
Hardware forming for home appliances
Plastic housing injection molding
Hardware tools and fastener manufacturing
Wood furniture pressing and assembly
