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adjusted in the flow direction. Fluid in the opposite direction
Overcome a small flow resistance through the check valve installed. 
Level 2 needle valve needle valve cone adjustment knob of the first
 three laps of the first stage, the spirit can flow

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Min adjusted. After 3 laps to level 2, which has a conventional 
throttle characteristic. In order to reduce the influence of the viscosity,
Frame size 400 and 600 of the valve can be used with a rectangular
 cutout cylindrical type needle. Flow and pressure and viscosity related.
Circle can be very small flow precise adjustment. After 3 laps the 
The results can be adjusted by positioning the locking bolt valve.

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