| Plunger Diameter | 0.64 cm |
|---|---|
| HP-50 Maximum Operating Pressure | 3,447 bar, 344 MPa |
| Reservoir Capacity | 8.5 liters from centerline of top gauge glass to centerline of bottom gauge glass |
| Maximum Pumping Rate based on SAE 40 oil — (approx. 4 drops) | 0.133 cc per stroke |
| Minimum Pump Rate | 0.017 cc at max. pressure |
| Reservoir Heating (optional) | Steam or Electric |
| Lubricant Viscosity | 100 to 5000 SUS |
| Operating Temperature | -129°C to 649°C |
| Construction Materials | |
| Reservoir and Cover | Heavily ribbed cast iron |
| Cylinder | Hardened alloy steel, precision-honed |
| Plunger | Hardened alloy steel, precision-ground |
| Valves | Poppet type, flat face, hardened and ground alloy steel |
| Valve Seats | Hardened and ground alloy steel |
| Driveshaft | Integral crankshaft type, hardened, ground and polished alloy steel, machined from solid bar |
| Bearings | Bronze bushed, high load capacity, long-life, self-lubricating type |
| Regulating Lever | Forged steel |
