asahi/america thermoplastic diaphragm valves
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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
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