The pump model PD 71 is designed to meet the most diverse requirements in the metering of chemical reagents. It makes part of the PD series pumps which include also models "S", "M", "64", "80" and "90".
Distinctive features:
- Analog indication of instant flowrate.
- Plunger systemensuring a high accuracy in the metering
- Sturdy mechanic parts allowing high performance also on heavy duty conditions.
- Simple and fully reliable operating principle.
- Very simple maintanance: exploded views of the pump with order codes and prices, and ++39 (055) 886.86.1 hot line for spare parts order and advice.
- Wide range of accessories including electrical self-regulators.
Technical features:
- Version in PVC or stainless steel AISI 316.
- Operating temperature: 50 °C with PVC cylinder heads 150 °C with heads in AISI 316 (HT version).
- Pump casing in light alloy
- Gear reducers in oil bath (type E.P. ISO 680).
- Eccentric crank mechanism with return spring.
- Asynchronous motor, 220-380 V, threephase, 50 Hz, 4 poles, 1370 r.p.m., 596 W absorption, 0.37 Kw (0.5 HP) nominal power. International voltages and frequencies on request.
- IP 55 Standard protection. On request: explosion-proof or tropicalized.
- Flowrate manual adjustment both in motion or at standstill. Possibility of automatic electrical or pneumatic regu-lation.
- Nominal adjustment 0 - 100%.
- Useful adjustment 10 - 100%.
- 1% Accuracy at max flowrate
- Analog flowrate indicator.
Accessories:
- SELF-REGULATOR UNIT:
- Allows the pump to be remote-regulated by a 4-20 mA signal.
- Return signal of pump setting.
- Applicable also to pumps already on service.
- Allows also manual ad-justment. - SUPPORT:
- Makes installation easy while ensuring proper positioning - SAFETY RELIEF VALVE
- INJECTION VALVE
- BACK PRESSURE VALVE
- FLEXIBLE HOSE
Download brochure:
PD71Ing_03.pdf
