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              | Range of Application | 
                  Materials | 
               
            
              | Pressure | 
                  -700mm (28"HG) | 
                  Metals | 
                  -DIN 1.4571, 316SS | 
               
              
              |   | 
                  -28 bar (420 PSI) | 
                  Springs | 
                  -Hastelloy C | 
               
              
                | 
                
                  Faces
  O-Rings | 
                  CA, CE, SCD, PTFE, SSIC, TC -Viton, EPDM, FEp encaps. Chemraz, Karlez, Aflas, etc. | 
               
              
              | Temp. | 
                  -Elastomer dependant | 
                  Other sizes, materials or design variations | 
                 
               
              
              | Speed | 
                  -25m/sec. (5000 FPM) | 
                  upon request | 
                  
               
              
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              | Sizes | 
                    | 
                    | 
                    | 
               
              | Dshaft | 
                  -24.....200mm, -1".....7 1/2"
 
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                    | 
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                - Extreme motion tolerances of
 
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                - Manual venting possibility
 
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                up to 6mm (0,25") axial radial  | 
                - Automatic closing by pressure
 
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                - Full pressure reversal available
 
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                - Axial and radial 1/4" NPT
 
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                barrier fluid connections  | 
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