Description
Features
- The heads are designed with a patented technology that includes an aluminum die-cast core inside a polypropylene structure offering superior strength.
- Washers and diaphragm bolts are in 316 stainless steel, an exclusive feature.
- Die cast crankcase incorporating a new cooling system.
- New chemically resistant diaphragm material pre-deformed to reduce the amount of deflection, increasing diaphragm life. The diaphragm material is compatible with most of the corrosive chemicals on the market today.
- A short crankshaft stroke means the longest life possible.
- New connecting rods in special bronze alloy offer economical and trouble free service.
- 316 stainless steel inlet and outlet check valves.
| Part No. | Description | Max Flow GPM | Max PSI | Max RPM | Max Power HP | Max Temp °F | Suct. Hose Diam. | Disch. Hose Diam. | Weight LB | Lube Oil |
| DP-687-P | 6 diaphragms. Through Shaft 1-3/8” 6-spline opposite end. Negative pressure – max: 4.9 ft; intermittent: 9.8 ft. | 68.7 | 218 | 550 | 9.4 | 140°F | 2″ Hose | 1 1/4″ NPT | 85.8 | 30 SAE |
