200 likes | 219 Views
Asahi/America Thermoplastic Diaphragm Valves. Asahi/America Design Technology for Valves. 8 bolts. 10 bolts. 12 bolts. The area where Max. distortion is observed. 3 pattern analysis. 0. Sealing point. A point on valve seat. minimum distortion. 200. Large. Analytical conditions
E N D
Asahi/AmericaDesign Technology for Valves 8 bolts 10 bolts 12bolts The area where Max. distortion is observed 3 pattern analysis 0 Sealing point A point on valve seat minimum distortion 200 Large Analytical conditions • Body U-PVC (1/4 cut model) • Pressure 230 Psi CAE Analysis of Body (Type 72 size 5”) These results show when 10 bolts are applied, distortion of the sealing portion is minimized
Asahi/AmericaDesign Technology for Valves CAE Analysis of body (Type 14-3”) Distortion Stress (Max distortion) ( Max distortion) Analysis Conditions - Pressure ; 285 Psi Ambient temp. Analysis Conditions - Pressure ; 285 Psi Ambient temp. .
Asahi/AmericaType G Diaphragm Valves Position Indicator/Travel Stop PVDF Compressor Large Weir Design
Asahi/AmericaType G Flanged Diaphragm Valves • Sizes 8”&10” PVC,PP,PVDF • Face-to-face lengths are industry standard • Flanged body conforms to ANSI 16.5 • Excellent throttling characteristics • Double beaded diaphragm sizing arrangement • Bonnet o-ring seal, eliminates corrosive atmosphere internally
Asahi/AmericaThermoplastic Diaphragm Valves Visual Indicator Travel Stop Reduced Handwheel Torque Low Profile One Piece Molded Ansi B16.5 Flange Panel Mount
Asahi/AmericaType 14 Diaphragm Valves Visual Indicator Travel Stop Reduced Seating Torque PVDF Compressor Increased Body& Bonnet Thickness New Diaphragm Design Panel Mount Provision One Piece Molded Flange
Asahi/AmericaType 15 Flanged Diaphragm Valves PVDF Compressor New Bonnet/Body Design New Diaphragm Design
Asahi/AmericaType 14 & 15 Diaphragm Valves • PVC,CPVC,PP and PVDF Materials (Type 15 Not available in CPVC) • Multiple Diaphragm Materials • Body and Bonnet are solid thermoplastic • Unique Body to Bonnet design(UltimateSealing) • Position indicator & Adjustable travel stop are standard • Valve Body and Diaphragm are only wettedparts
Asahi/AmericaType 14 Diaphragm Valves • NewBody & Bonnet Design • Lower Profile • ReducedSeating Torque • Bayonet Connection for Diaphragm • Provision for Support or Panel Mounting • Face to Face Interchangeability w/Type G
Asahi/AmericaType 14 True Union Diaphragm Valves Position Indicator Travel Stop Lower Seating Torque PVDF Compressor Low Profile Panel Mount Provision
Asahi/AmericaType 14 True Union Diaphragm Valves • Automation with no body modifications • Socket,Thread,Spigot • Reduced Seating Torque,Improved Sealing • Panel Mount Provision • Low Profile
A B Asahi/AmericaType 14 Diaphragm Valves 2” Square Nut Chain Operator Stem Extensions
Asahi/AmericaDiaphragm Valve Options • Diaphragm materials available in Nitrile, Hypalon, Neoprene, PTFE, etc. • Electric & pneumatic actuators • PVDF gas barrier • 2” square operating nuts • Locking handles • Manual limit switches • Stem extensions
Asahi/AmericaType 14 Pneumatic Diaphragm Valves Position Indicator Travel Stop PPG Housing Namur Pad Mount Direct Mount Panel Mount
Asahi/AmericaInstallation Recommendations Diaphragm Valves: Recommended Applications: • Control or Modulating • Slurry Services • Suspended Particles (Elastomeric Diaphragm only) • Severe Chemical Applications Precautions: • Suspended Particles w/ PTFE Diaphragm