| Fluid Cap/Manifold | Center Section | Seat/Ball Material | Diaphragm Material | Air Section Service Kit | Fluid Section Service Kit | Fluid Connection | Weight lbs (Kg) |
| Conductive Polypropylene | Conductive Polypropylene | Polypropylene / Santoprene | Santoprene | 637369 | 637373-AA | 2" A.N.S.I. / <br>DIN Flange (end) | 85.3 (38.7) |
| Conductive Polypropylene | Conductive Polypropylene | Polypropylene / Hytrel | Hytrel | 637369 | 637373-CC | 2" A.N.S.I. /<br> DIN Flange (end) | 85.3 (38.7) |
| Conductive Polypropylene | Conductive Polypropylene | Polypropylene / PTFE (PTFE) | PTFE (PTFE) w/ Santoprene backer | 637369 | 637373-TT | 2" A.N.S.I. / <br>DIN Flange (end) | 85.3 (38.7) |
