New Products for 2012 Wafer Check Valve

New Products for 2012 Wafer Check

Valve

Design was Initiated to fill void in size range for key end user specifications

Examples:Aquarium Industry

Chemical Industry

WWTP Industry

New Products for 2012 Wafer Check Valve

Specifications

Sizes: 10”-12” Pressure Rating: 90 PSI at 120F

Body Material: -PVC/Wafer Required Back Pressure: 1.0 Psi

Disc Material: PVC Optional Spring: ECTFE Coated

O Ring Material: EPDM/FKM Includes Mating Flange O-Rings

Upstream

Downstream

New Products for 2012Wafer Check Valve

Eye boltBody

Disc

Stopper

Plug Plastic Bolt

Spring (Option)

O Ring

Shaft

Wafer Check ValveExploded View

CompetitionWeak structure at hinge assembly.Due to long Fulcrum Point

Strong structure at hinge assemblyDue to short Fulcrum Point

Wafer Check Valve Test ResultHinge Assembly

Pump

BrandSize

[Inch]

Min. Sealing Pressure [PSI]

Without Spring

With Spring

Horiz. Vert. Horiz. Vert.

New ASAHI

Measured10" 0.40 0.44 0.37 0.43

12" 0.30 0.41 0.37 0.51

Catalog Values

10" 1.0

12" 1.0

Competitor Catalog Values

10" 1.0

12" 1.0

Competitor Catalog Values

10" 2.8

12" 2.8

Meter

Valve

Vertical

Horizontal

Wafer Check Valve Test ResultMin. Sealing Pressure

BrandSize

[Inch]

Min. Opening Pressure [PSI]

Without Spring With Spring

Horiz Vert Horiz Vert

New ASAHI

Measured10" 0.01 0.06 0.01 0.06

12" 0.01 0.06 0.01 0.06

Catalog Values

10" 0.01 0.1 0.01 0.1

12" 0.01 0.1 0.01 0.1

Competitor Catalog Values

10" 0.1 0.2 0.3 -

12" 0.1 0.2 0.3 -

Competitor Catalog Values

10" 0.01 0.26 0.29 0.55

12" 0.01 0.26 0.29 0.55

Wafer Check Valve Test ResultMin. Opening Pressure

Note:Disc Seal O-Ring intact at velocitiesover 10 ft./sec

Size

［ Inch ］

Measured Catalog Values

Asahi

Competitors

CompetitorSch40

Without Spacer

Sch80

With Spacer

10” 1750 1880 2050 1750

12” 2620 2520 2940 1932

Wafer Check Valve Test ResultCV Value

Meets Metal Face to Face (ASME/ANSI B16.5) The face to face dimension meets to RitePro, or Other Metal Wafer Checks

Pipe Interference Disc does not interfere with Pipe ID

Unique Shaft and Hinge Design Industrial Design for High Performance Applications

Mechanical StrengthThicker Body and Disc than the competitors (Higher Safety Factor)

Optional Spring Assist Field Mountable to Minimize Slamming in Vertical Lines

Wafer Check ValveSummary of Features

New Products for 2012 Wafer Check Valve

Thank You