Active Member
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[China]
Address: Room E202, No. 4528 Jiasong Road (Middle), Qingpu district 201705, Shanghai, China
Contact name:Yuan
Shanghai Runpaiq Technology Co., Ltd. |
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Pneumatic double diaphragm pump 3inch,Plastic pneumatic diaphragm pump, head:84m
Descriptions
One of top professional air operated diaphragm pump manufacturer, we've been in design and manufacture of diaphragm pump over 15 years. It has triple diaphragm films. The diaphragm pumps are for the transfer of various harshly liquid fluid, such as: chemical, waste water, cement, paper pulpe, syrup, sewage, slurry, honey, paint, oil, petroleum, etc. It uses compressed air as a power source. The compressed air is shifted from one chamber to the other by a linked shaft that allows the chambers to move simultaneously. The pumps' wet part: PVDF, PP, stainless steel, cast steel, al-alloy, iron, etc. It's also known as double acting air diaphragm pump.
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
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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