SCPV Needle Valves

• 2% hysteresis
• Excellent linearity—2.5 of full-scale
• 2 ms reaction time
• Millions of cycles
• Holds position for power savings or at a loss of power
• In-line, manifold and cartridge styles available

Medium: Air and compatible gases
Typical Cycle Time for Full Travel:
    0.95 seconds at 100% duty cycle
    0.55 seconds at 25% duty cycle
    (full open to full close or full close to full open)
Wetted Materials: Stainless steel, aluminum, brass, Acetal and FKM*
Pressure Range: Vac to 100 psig*
Flow Range: 0 to 280 slpm
    Special configurations over 500 slpm available, consult factory
Flow Resolution: 0.7 slpm per step
Position Resolution: 0.001" per step
Temperature Range: 32 to 184˚F
Driver: Bipolar chopper drive required
Needle: 3.5˚
Supply Voltage to Motor: 5 VDC
Response Time: 0.95 sec. fully-open to fully-closed
Mounting: In-line, manifold or cartridge
Power Consumption:
    3.85 watts nominal only during adjustment
    0 power consumption to maintain position
Seals: FKM standard, others available
Option: Rubber seat (add "-R" suffix)