Water Solenoid Valve With Pilot Action

Post Date: Fri Jul 18 00:00:00 PDT 2008 Expiry date: Sun Aug 24 00:00:00 PDT 2008 From: [IL] Detailed Buying Lead Description
Water medium solenoid valve with pilot action Normally Open.
For 3/4" pipe, flow up to 6gpm.
Solenoid operated with 6V or 9V DC short pulse (<100ms).
Current: Holding 0.2Amp, Inrush 0.4Amp
Important: Must hold in CLOSED position for 5 days at least no damage.
Water temperature -4 to 80 C.
Materials:
  • Body and Cover: Nylon
  • Metal parts: Stainless steel or Bronze
  • Diaphragm: Rubber
  • Seals: NBR
All standard qualification testing required:
  1. Insulation resitsance:
    Tested by DC500V megohmmete for 1 min, the insulation resistance should e100M
  2. Watertight performance

    Hydrostatic pressure up to 0.5bar, leakage ratio<0.1mL/min

    Hydrostatic pressure 0.5~9.5bar, leakage ratio 0mL/min

  3. Hydraulic pressure withstand
    Withstand hydrostatic pressure of 12bar for 5min, no unbroken, deformation or outside leakage
  4. Reliability
    While valve is in CLOSED position, submit to 0.1~0.1bar, on and off for 10s respectively, lasting 1h, the check valve should be unblocked.
  5. Flow characteristics

    Pressure 0.2bar Flux e0.4L/min; Pressure 1bar Flux>8L/min;

    Pressure 3bar Flux >25L/min; Pressure 8bar Flux >40L/min

  6. Across layers insulation
    Withstand high voltage pulse for 2s, no damage should occour.
  7. Continuously energized
    a. Energize (CLOSED position) for 12hrs, but valve not connected to water, the valve should have no deformation, and the coil should not be burned;
    b. Energize (CLOSED position) for 5 days (120hrs), valve connected to water at 60 C, the valve should have no deformation, the coil should not be burned, no leaking and normal operation afterwards.
  8. Withstand high voltage
    High-voltagepower between electric conduction and external electrified metal
    Withstand AC1500V,s50Hz for 1min, no flashover or breakdown;
    Withstand1800V,50Hz for 1s, no flashover or breakdown.

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