VGA342, Valvola ad azionamento pneumatico a 3 vie

VGA342, Valvola ad azionamento pneumatico a 3 vie
An air operated valve made by SMC.
[Features]
· Easy to switch between N.C. and N.O.

(i)Nota

  • Product images may be representative images. Refer to the catalog for details.

Codice componente

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3 Port Air Operated Valve VGA342 Series Specifications

3 Port Air Operated Valve VGA342 Series external appearance

3 Port Air Operated Valve VGA342 Series external appearance

VGA342 Series JIS symbol (N.C.)

VGA342 Series JIS symbol (N.C.)

VGA342 Series JIS symbol (N.O.)

VGA342 Series JIS symbol (N.O.)

Operating Method Air operated
Switching Method N.C. or N.O. (changeable)
Return Mechanism Air + spring
Fluid Air
Operating Pressure Range 0.2 to 0.9 MPa
Pilot Pressure Equal to operating pressure
Ambient and Working Fluid Temperature -10°C to +50°C (no freezing.)
Lubrication Not required (if lubricating, use turbine oil class 1 ISO VG32)
*Impact/Vibration Resistance 15/50 m/s2

*Impact resistance: No malfunctions after testing using a drop-type shock tester under the following conditions: in the axial direction and at a right angle to the main valve with both pilot signal ON and OFF, once for each condition state. (Initial value)
Vibration resistance: No malfunctions occurred in a 1-sweep test between 45 and 1,000 Hz. The test was performed with both pilot signal ON and OFF and in the axial direction and at right angles to the main valve. (Initial value)

Flow Rate Characteristics Table

Piping Connection Port Diameter Flow Rate Characteristics
1 → 2 (P → A) 2 → 3 (A → R) 2 → 1 (A → R) 3 → 2 (R → A)
C (dm3/[s·bar]) b Cv C (dm3/[s·bar]) b Cv C (dm3/[s·bar]) b Cv C (dm3/[s·bar]) b Cv
1/2 26 0.38 7.0 27 0.37 7.4 27 0.36 7.3 25 0.37 6.8
3/4 38 0.30 9.8 38 0.32 9.8 40 0.22 9.8 40 0.20 9.6
Piping Connection Port Diameter Effective area (mm2)
1 → 2 (P → A) 2 → 3 (A → R)
1 210 235

Drawing

 

(Units: mm)

 

VGA342 Series dimensional drawing

VGA342 Series dimensional drawing

External Pilot Type Air Operated Valve VGA342R Series Specifications

VGA342R Series JIS symbol

VGA342R Series JIS symbol

Valve Type External pilot type air operated valve
Switching Method Universal porting
Fluid Air
Operating Pressure Range Main Pressure -101.2 kPa to 0.9 MPa
Pilot Pressure Equal to main pressure (min. 0.2 MPa or more)
External Pilot Equivalent to pilot pressure
Ambient and Working Fluid Temperature -10°C to +50°C (no freezing.)
Weight 1.2 kg

Drawing

 

(Units: mm)

 

VGA342R Series dimensional drawing

VGA342R Series dimensional drawing

Precautions

Changing Fluid Passage Condition / Piping Method

Illustrations showing changing of the fluid passage condition (left image: N.C. / right image: N.O.)

Illustrations showing changing of the fluid passage condition (left image: N.C. / right image: N.O.)

*Make sure that the pressure inside the valve is exhausted before changing the flow passage state.
Loosen the M4 ×; 0.7 hex socket head cap screw on the switch board and align the ▲ mark on the adapter plate with the required passage symbol (N.C./N.O.) on the switch plate. However, the X symbol cannot be used.
Moreover, follow the table on the right for piping.
Screw tightening torque M4: 1.4 N·m

Piping Method

Passage Port
P A R
N.C. Primary side Secondary side Exhaust side
(Plug if using a 2 way valve)
N.O. Exhaust side
(Plug if using a 2 way valve)
Secondary side Primary side

*Use adequate caution and check it is safe when changing the fluid passage state or when starting up again afterwards.

Other

*The M5 hole on the left side of the adapter plate is the spool valve ventilation hole. Do not plug or obstruct it.

Codice componente
VGA342-04A
VGA342-04B
VGA342-04FA
VGA342-04FB
VGA342-04NA
VGA342-04NB
VGA342-04TA
VGA342-06A
VGA342-06B
VGA342-06FA
VGA342-06FB
VGA342-06NA
VGA342-06NB
VGA342-10A
VGA342-10FA
VGA342-10FB
VGA342-10NA
VGA342-10NB
VGA342-10TB
VGA342R-04F
VGA342R-04N
VGA342R-06
VGA342R-06F
VGA342R-06N
VGA342R-10F
VGA342R-10N
VGA342R-10T
Codice componente
Prezzo unitario standard
Quantità minima d'ordineSconto volumi elevati
Giorni
spedizione standard
?
A commutazione Tipo di collegamento Filettatura tubazione nominale Tipo valvola

212.74 €

1 26 giorni Tipo normalmente chiuso[Rc (R)] Rc1/2Pilota interna

212.74 €

1 26 giorni Normalmente aperto[Rc (R)] Rc1/2Pilota interna

212.74 €

1 39 giorni Tipo normalmente chiusoG1/2Pilota interna

212.74 €

1 26 giorni Normalmente apertoG1/2Pilota interna

212.74 €

1 26 giorni Tipo normalmente chiusoNPT1/2Pilota interna

212.74 €

1 26 giorni Normalmente apertoNPT1/2Pilota interna

212.74 €

1 26 giorni Tipo normalmente chiusoNPTF1/2Pilota interna

212.74 €

1 26 giorni Tipo normalmente chiuso[Rc (R)] Rc3/4Pilota interna

212.74 €

1 26 giorni Normalmente aperto[Rc (R)] Rc3/4Pilota interna

212.74 €

1 4 giorni Tipo normalmente chiusoG3/4Pilota interna

193.39 €

1 26 giorni Normalmente apertoG3/4Pilota interna

212.74 €

1 26 giorni Tipo normalmente chiusoNPT3/4Pilota interna

212.74 €

1 26 giorni Normalmente apertoNPT3/4Pilota interna

212.74 €

1 4 giorni Tipo normalmente chiuso[Rc (R)] Rc1Pilota interna

212.74 €

1 26 giorni Tipo normalmente chiusoG1Pilota interna

212.74 €

1 26 giorni Normalmente apertoG1Pilota interna

212.74 €

1 26 giorni Tipo normalmente chiusoNPT1Pilota interna

212.74 €

1 26 giorni Normalmente apertoNPT1Pilota interna

212.74 €

1 26 giorni Normalmente apertoNPTF1Pilota interna

212.74 €

1 26 giorni A 3 porte universaleG1/2Pilota esterna

212.74 €

1 26 giorni A 3 porte universaleNPT1/2Pilota esterna

212.74 €

1 26 giorni A 3 porte universale[Rc (R)] Rc3/4Pilota esterna

212.74 €

1 4 giorni A 3 porte universaleG3/4Pilota esterna

212.74 €

1 26 giorni A 3 porte universaleNPT3/4Pilota esterna

212.74 €

1 26 giorni A 3 porte universaleG1Pilota esterna

212.74 €

1 26 giorni A 3 porte universaleNPT1Pilota esterna

212.74 €

1 26 giorni A 3 porte universaleNPTF1Pilota esterna

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Informazioni di base

Tipo Funzionamento ad aria Liquido applicabile Aria Ambiente d'esercizio Standard
Tipo di azionamento Con pilota Numero pilota Tipo singolo Numero di raccordi 3

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