Plunger Metering Pumps
API 675 – SPR Type
The SPR metering pump covers the range of small and medium capacities in dosage and injection applications.
The pump is a positive return type and is designed for continuous service.
During operation or standstill of the pump the stroke is continuously adjustable by means of a manual knob or by automatic control systems, pneumatically or electronically driven.
The stroke variation is proportional within the whole adjusting range of 0-100% and guarantees linearity and repeatability of the flow in accordance with API 675 requirements.
For the hydraulic end there are two versions available: plunger and diaphragm.
The diaphragm head is hydraulically actuated and the diaphragm is double with
a monitoring system which allows failure detection.
Typical high-pressure plunger pump with double ball valves
Typical diaphragm pump with double ball valves
|Plunger Diameter||A||B||C||D||E||F||G||H I||L|
|5||– 16 mm||340||465||395||180||190||80||80||85||85||110|
|20||– 40 mm||340||465||405||190||190||85||85||90||90||140|
|50||– 80 mm||375||490||425||210||225||90||90||100||100||180|
|90||– 110 mm||375||490||445||230||225||90||90||110||110||220|