Check Valve PP with Low Cracking Pressure

Check valve
Check valve

PCVLU

Inquiry
Fluid medium: Air, water, other; Max. operating pressure: 1.0 MPa (at 0~20°C)
  • Clear (semitransparent) color used for the resin body makes it possible to check visually the fluid (liquid) inside
    Easy to check sanitary condition.
  • Best suitable for the applications in which no "copper alloy", "low level ozone resistance" and "non-grease" specifications are required
    SUS304 is used for the metal parts. FKM is used for valve packing. EPDM is used for elastic sleeve (FKM and NBR are optional).
  • Min. opening pressure is lower from 10kPa to 5kPa
    Possible to assure the flow rate even with low-pressure that did not work with conventional products.
  • Less noise generation compared to the conventional type
    No spring incorporated.
  • Two types of package are available
    Standard package and Cleanroom package, which item is washed by clean air and packed in ISO class 6 equivalent cleanroom, are available.

Fluid medium Air, water *1, other *1
Max. operating pressure 1.0 MPa (at 0~20°C)*2
Max. vacuum -100 kPa
Min. opening pressure (*) 5 kPa (at25℃)
Min. opening differential pressure 0.01 MPa
Operating temperature range EPDM, FKM: 0～80°C (No freezing)
NBR: 0～60°C (No freezing)
Note * Min. opening pressure is the initial pressure on the secondary side when the pressure is applied from free flow side.
Warning
*1. When the fluid medium is water or liquid, be sure to read and follow the conditions below.
Surge pressure must be controlled lower than max. operating pressure when using water or liquid as a fluid medium.
Tap water in Japan free from foreign substances or contamination can be used. Carry out the evaluation under an actual operating condition for using other kind of water.
Be sure to place Insert Ring (WR) into the tube edge when using water or liquid as a fluid medium.
The specification above may not be applied, depending on the kind of chemicals or mixed gases used as fluid medium. Make sure to use PISCO products after verifying their suitability on the user side.
*2. When operating temp. exceeds 20℃, refer to the following chart "Relation of Operating Temp. & Max. Operating Pressure"
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SFT/SET Fluororesin tube
Fluid medium: Air, water (condition), chemicals, etc(condition)
Max. operating pressure: SFT:2.4 MPa, SET: 2.7 MPa
 
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