Asahi/AmericaAsahi/AmericaThermoplastic Diaphragm ValvesThermoplastic Diaphragm Valves

CAE Analysis of Body (Type 72 size 5”)

8 bolts 10 bolts 12 bolts

3 pattern analysis

Sealing point

minimum distortion

The area where Max. distortion is observed

Analytical conditions

• Body U-PVC (1/4 cut model)

• Pressure 230 Psi

0

200

A point on valve seat

Large

These results show when 10 bolts are applied, distortion of the sealing portion is minimized

Asahi/AmericaAsahi/AmericaDesign Technology for ValvesDesign Technology for Valves

CAE Analysis of body (Type 14-3”)

( Max distortion)

Analysis Conditions -

Pressure ; 285 Psi

Ambient temp.

Distortion Stress

.

(Max distortion)

Analysis Conditions -

Pressure ; 285 Psi

Ambient temp.

Asahi/AmericaAsahi/AmericaDesign Technology for ValvesDesign Technology for Valves

PVDF Compressor

Large Weir Design

Position Indicator/Travel Stop

Asahi/AmericaAsahi/AmericaType G Diaphragm ValvesType G Diaphragm Valves

Sizes 8”&10” PVC,PP,PVDFFace-to-face lengths are industry standardFlanged body conforms to ANSI 16.5Excellent throttling characteristicsDouble beaded diaphragm sizing arrangementBonnet o-ring seal, eliminates corrosive atmosphere internally

Asahi/AmericaAsahi/AmericaType G Flanged Diaphragm ValvesType G Flanged Diaphragm Valves

Asahi/AmericaAsahi/AmericaType 14 Flanged Diaphragm ValvesType 14 Flanged Diaphragm Valves

1/2”-2”1/2”-2”

ReducedReducedHandwheelHandwheelTorqueTorque

Panel MountPanel Mount

Visual IndicatorVisual IndicatorTravel StopTravel Stop

Low ProfileLow Profile

Asahi/AmericaAsahi/AmericaThermoplastic Diaphragm ValvesThermoplastic Diaphragm Valves

One Piece MoldedOne Piece MoldedAnsi B16.5 FlangeAnsi B16.5 Flange

Asahi/AmericaAsahi/AmericaType 14 Flanged Diaphragm ValvesType 14 Flanged Diaphragm Valves

2 1/2”-4”2 1/2”-4”

Increased Increased Body&Body& Bonnet Bonnet ThicknessThickness New DiaphragmNew Diaphragm

DesignDesign

PVDF CompressorPVDF Compressor

Reduced SeatingReduced SeatingTorqueTorque

Panel MountPanel MountProvisionProvision

Asahi/AmericaAsahi/AmericaType 14 Diaphragm ValvesType 14 Diaphragm Valves

Visual IndicatorVisual IndicatorTravel StopTravel Stop

One Piece One Piece Molded FlangeMolded Flange

Asahi/AmericaAsahi/AmericaType 15 Flanged Diaphragm ValvesType 15 Flanged Diaphragm Valves

5”-6”

NewNewBonnet/BodyBonnet/BodyDesignDesign

New DiaphragmNew DiaphragmDesignDesign

PVDFPVDFCompressCompressoror

Asahi/AmericaAsahi/AmericaType 15 Flanged Diaphragm ValvesType 15 Flanged Diaphragm Valves

PVC,CPVC,PP and PVDF Materials (Type 15 Not available in CPVC)

Multiple Diaphragm MaterialsBody and Bonnet are solid thermoplasticUnique Body to Bonnet design(Ultimate Sealing)Position indicator & Adjustable travel stop are standardValve Body and Diaphragm are only wetted parts

Asahi/AmericaAsahi/AmericaType 14 & 15 Diaphragm ValvesType 14 & 15 Diaphragm Valves

New Body & Bonnet DesignLower Profile Reduced Seating TorqueBayonet Connection for DiaphragmProvision for Support or Panel MountingFace to Face Interchangeability w/Type G

Asahi/AmericaAsahi/AmericaType 14 Diaphragm ValvesType 14 Diaphragm Valves

.

Asahi/AmericaAsahi/AmericaType 14 True Union Diaphragm ValvesType 14 True Union Diaphragm Valves

1/2”-2”1/2”-2”

Panel Mount ProvisionPanel Mount Provision

PVDF CompressorPVDF Compressor

Position IndicatorPosition IndicatorTravel StopTravel StopLower Seating TorqueLower Seating Torque

LowLowProfilProfilee

Asahi/AmericaAsahi/AmericaType 14 True Union Diaphragm ValvesType 14 True Union Diaphragm Valves

Automation with no body modificationsSocket,Thread,SpigotReduced Seating Torque,Improved SealingPanel Mount ProvisionLow Profile

Asahi/AmericaAsahi/AmericaType 14 True Union Diaphragm ValvesType 14 True Union Diaphragm Valves

AA

B

Stem Extensions

2” Square Nut

Chain Operator

Asahi/AmericaAsahi/AmericaType 14 Diaphragm ValvesType 14 Diaphragm Valves

Asahi/AmericaDiaphragm Valve Options

Diaphragm materials available in Nitrile, Hypalon, Neoprene, PTFE, etc.Electric & pneumatic actuatorsPVDF gas barrier2” square operating nutsLocking handlesManual limit switchesStem extensions

PPG HousingPPG Housing

Position IndicatorPosition IndicatorTravel StopTravel Stop

Namur Pad Namur Pad MountMount

Panel MountPanel Mount

Direct MountDirect Mount

Asahi/AmericaAsahi/AmericaType 14 Pneumatic Diaphragm ValvesType 14 Pneumatic Diaphragm Valves

Recommended Applications:Control or ModulatingSlurry ServicesSuspended Particles (Elastomeric Diaphragm

only)

Severe Chemical ApplicationsPrecautions: Suspended Particles w/ PTFE Diaphragm

Diaphragm Valves:Diaphragm Valves:

Asahi/AmericaAsahi/AmericaInstallation RecommendationsInstallation Recommendations