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               |   | 
               
              | Range of Application | 
                  Materials | 
               
            
              | Pressure | 
                  -700mm (28"HG) | 
                  Metals | 
                  -DIN 1.4571, 316SS | 
               
              
              |   | 
                  -28 bar (420 PSI) | 
                    | 
                  -Hastelloy C | 
               
              
                | 
                
                  Springs Faces O-Rings
  Alternative Rolled bellows | 
                  -Hastelloy C6 -CA, CE, SC, PTFE, SSIC -Viton, EPDM, FEp encaps. Chemraz, Karlez, Aflas, etc.
  -Hastelloy C, Incolloy | 
               
              
              | Temp. | 
                  -Elastomer dependant | 
                  Metal | 
                  -Hastelloy C, AM 350 | 
               
              
              | Speed | 
                  -35m/sec. (7000 FPM) | 
                  bellows | 
                    | 
               
              
              |   | 
                    | 
                    | 
                    | 
               
              | Sizes | 
                    | 
                  Other sizes, materials or design variations | 
                 
               
              | Dshaft | 
                  -1".....4" | 
                  upon request
 
  | 
                  
               
              
              
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                 | 
                - Automatic closing by pressure
 
  | 
               
              
                |           Full pressure rating possible on | 
                          reversal | 
              
             
                |           pump and barrier side | 
                - Springs outside the medium
 
  | 
              
             
                |           (Type 323 ANSI) | 
                
                  - Shock and vibration dampened secondary faces
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