Shanghai Runpaiq Technology Co., Ltd.
Green Building, Low Carbon Emission
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slurry pump, pneumatic diaphragm pump, double diaphragm: PTFE, Wet: al-alloy,PVDF
Descriptions
Our pnematic diaphragm pump are available with wet part in PVDF, Polypropylene PP, al-alloy, cast steel, stainless steel, ductile iron. It's designed with fewer parts than competitive air pumps. It is one type of air operated double diaphragm pumps features our stall-free, low pulsation air valve, which is externally accessible—ensuring rapid changeovers and minimum downtimes.
Technical data sheet
| Model | Max flow (LPM) | Head(m) | Suction H (m) | Out P (kg) | In/out dia(mm) | Air in dia(in) | Max particle dia (mm) |
| RQB3-10 | 22 | 70 | 4.0 | 7 | 10 | 1/4 | 1.5 |
| RQB3-15 | 22 | 70 | 4.0 | 7 | 15 | 1/4 | 1.5 |
| RQB3-20 | 57 | 70 | 4.0 | 7 | 20 | 1/4 | 2.5 |
| RQB3-25R | 57 | 70 | 4.5 | 7 | 25 | 1/4 | 2.5 |
| RQB3-25A | 116 | 84 | 5.48 | 8.4 | 25 | 1/2 | 3.2 |
| RQB3-32 | 151 | 84 | 5.48 | 8.4 | 32 | 1/2 | 3.2 |
| RQB3-40 | 151 | 84 | 5.48 | 8.4 | 40 | 1/2 | 3.2 |
| RQB3-50 | 378.5 | 5.48 | 8.4 | 50 | 1/2 | 4.8 | |
| RQB3-65 | 378.5 | 84 | 5.48 | 8.4 | 65 | 1/2 | 4.8 |
| RQB3-80 | 568 | 84 | 5.48 | 8.4 | 80 | 1/2 | 6.4 |
| RQB-100 | 568 | 84 | 5.48 | 8.4 | 100 | 1/2 | 6.4 |
| RQB-125 | 1041 | 84 | 2.4-7.6 | 8.4 | 125 | 3/4 | 9.4 |
| RFQ-25 | 116 | 84 | 5.48 | 8.4 | 25 | 1/2 | 3.2 |
| RFQ-40 | 378.5 | 84 | 5.48 | 8.4 | 40 | 1/2 | 4.8 |
| RFQ-50 | 568 | 84 | 5.48 | 8.4 | 50 | 1/2 | 6.4 |
| RFQ-80 | 1041 | 84 | 2.4-7.6 | 8.4 | 80 | 3/4 | 9.4 |
Air compressor recommendation & filter press
| Model | Air consumption (m3/min) | Power of compressor | Filter press capacity (m2) |
| RQB3-10/15 | 0.18 | 2.2 | 10-20 |
| RQB3-20/25 | 0.36 | 3 | 10-20 |
| RRQ3-25 | 0.67 | 5.5 | 30-40 |
| RQB3-25A | 0.67 | 5.5 | 30-40 |
| RQB3-32/40 | 0.67 | 5.5 | 30-40 |
| RFQ3-40 | 0.9 | 7.5 | 50-60 |
| RQB3-50/65 | 0.9 | 7.5 | 50-60 |
| RFQ3-50 | 1.5-2 | 11-15 | 60-100 |
| RQB3-80/100 | 1.5-2 | 11-15 | 60-100 |
| RFQ3-80 | 3.0 | 18.5-22 | 100-120 |
| RQB3-125 | 3.0 | 18.5-22 | 100-120 |
Features
One diaphragm pump for two guns stainless steel air tank
High pressure brass ball valve High quality pressure adjust valve
Applications:
| Waste water treatment, sludge, screening | Effluent treatment plant | Pharmaceutical feeds, transfer |
| Automotive wash, lube, oil | Ceramics mix & cast, glaze | Chemical injection, process |
| Pulp & paper batching, bleaching | Construction coating, dewatering | Food processing transfer, packaging |
| Marine bilge, cleaning | Mining utility, dewatering | Oil & gas transfer, clean up |
Comptetitve advantage
The air-driven double diaphragm transfer pumps. No electrical components are required because the pumps are air-driven. RD series pumps are run-dry safe and self-priming. The pump capacity can be controlled by changing the pressure in the air supply. The air control is designed for oilfree operation. The RD series pumps are ideally suited for the transport of liquid chemicals. It transports media at up 6,700 l/h and up to a discharge lift of 70 m.
As the pump capacity is highly dependent on the back pressure, the performance curve must always be observed. At the sametime, the differential pressure between the hydraulic and pneumatic sides should not exceed 2 bar. Higher values reduce the service life of the pump. When selecting pumps, check the material compatibility. In addition, consider the density, viscosity and temperature of the transported medium.
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