Airtac GV Slow Start Valve GV20008NB

Airtac

Airtac GV Slow Start Valve GV20008NB

$59.31 $66.81
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Description
The GV Slow Start Valve is designed to ensure safe pressure build-up in pneumatic systems, providing critical safety protection. When the valve's input port (P) is connected to the compressed air supply and the coil is energized, the 3-port 2-position valve opens. This allows a controlled airflow through the throttle valve to output port (A), enabling gradual system pressurization. The valve fully opens when output pressure reaches 50% of input pressure, achieving maximum flow capacity. Upon de-energization, port P closes while the check valve redirects residual air from the system to exhaust port (R) for rapid depressurization, resetting the system to zero pressure to ensure operational safety.

Category: Slow Start Valves | Brand: AirTAC | Series: GV

AirTAC GV Series Slow-Start Valve GV20008NB Specifications

  • Model: GV20008NB
  • Type: 5/2-way slow-start solenoid valve (pilot-operated)
  • Port size: PT1/4 (G1/8 optional)
  • Operating pressure: 0.1–0.9 MPa
  • Voltage options: DC12V, DC24V, AC110V, AC220V (±10%)
  • Weight: 520g ±5g
  • Dimensions: 78mm(L) × 48mm(W) × 105mm(H)
  • Seal material: Heat-resistant NBR (Nitrile Butadiene Rubber)
  • Temperature range: -20℃ to 80℃ (non-freezing)
  • Power consumption: ≤2.5W (with power surge protection)
  • Flow rate: 850 L/min (ANR) at 0.5 MPa
  • Response time: 30-150ms adjustable start-up delay
  • Protection rating: IP67 (dust/water resistant)
  • Port thread depth: 12mm (dual O-ring sealing)

Industrial-grade slow-start valve featuring progressive airflow acceleration technology. The GV20008NB minimizes mechanical shock in pneumatic systems through its patented "ramp-up" circuit design. Includes manual override and LED status indicator. Compatible with ISO 15407-1 standards, requires 5μm filtered air with oil mist (ISO VG32 recommended).

Typical Applications:
  • Injection molding machine clamp control
  • Automated assembly line actuators
  • Elevator door safety mechanisms
  • Printing press cylinder sequencing
  • Food processing pneumatic lifts
  • Battery manufacturing conveyor systems
Installation note: Optimal performance achieved when mounted horizontally. Allow 15mm clearance for heat dissipation. Use anti-vibration mounts in high-cycle applications (>1.2 million operations/month). Lubricate pivot points every 3,000 operating hours.


Property Property Value
sku GV20008NB
Pressure Gauge Code Without attached table
Port Size PT1/4
Bracket Code With Bracket
Coil Voltage DC24V
Shipping policies

Returns will be accepted for up to 15 days of Customer’s receipt or tracking number on Not used items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:

  • Received the wrong item.
  • Item arrived not as expected (ie. damaged packaging).
  • Item had defects.
  • Over delivery time.
  • The shipper does not allow the goods to be inspected before payment.

The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.

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