Pneumatic Pump
CheckPoint’s Series 1250 pump delivers up to 8 USG/H (30.38 L/H) and can reliably inject into pressures up to 12,000 PSIG (827.4 BARG).
CheckPoint’s positive displacement, reciprocating chemical injection pumps are specifically designed for, and extensively proven in, demanding oil and gas production applications worldwide. Our pumps are utilized in various industries, such as pulp, water treatment, fertilizer dosing, paper, and fluid processing applications, where precise delivery is operationally paramount. The pneumatic motor, composed entirely 316L SS, remains isolated from the wet end and is dependably able to run on pressurized gas or liquid without stalling. CheckPoint’s double-acting design eliminates a return spring, which greatly increases repeatability and reliability over time.
Performance Data
| SERIES 1250 | |
|---|---|
| Cycle Rate / Minute 1 | 0.5 – 105 2 |
| Supply Pressure | 20 – 200 PSIG (1.4 – 13.8 BARG) |
| Piston Diameter | 2.50 in (64 mm) |
| Stroke Length3 | 0.94 in (24 mm) |
| Weight | 11 lbs (5 kg) |
| Height | 12 in (305 mm) |
| Turndown Ratio (max / min cycle rate) |
210 |
1. Series 1250 “Short Stroke” models cycle rate / minute ranges from 1 – 210
2. Series 1250 can cycle faster than the max. listed rate; not recommended for long-term use. Contact CheckPoint before operating above 105 cycles/minute.
3. “Short Stroke” models have a stroke length of 0.5 in (13 mm)
Wetted Seals
O-Rings: PFE
Packing: PFE/TFE
Pluger
Dia (In): 1/8’’
Material: Ceramic
Check Valves
FailsafeTM
| Pressure | 0 – 12,000 PSIG (0 – 827.4 BARG) |
|---|---|
| Flow Rate | 0.002 – 8.0 USG/H (0.007 – 30.28 L/H) |
| Stroke | 1in (25mm) Fixed |
| Supply Pressure | 20 – 200 PSIG (1.4 – 13.8 BARG) |
| Piston Diameter | 2.50 in (64 mm) |
| Weight | 11 lbs (5 kg) |
| Height | 12 in (305 mm) |
| Turndown Ratio (max / min cycle rate) | 210 |
| Pluger Dia (In) | 1/8’’ |
| Material | Ceramic |
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