BSK 2”inch Industrial use cast outlet pressure 0.83Mpa aro membrane pneumatic air pump
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We have pump from1/4”, 1/2”, 1”, 1.5”, 2” and 3” with materials in aluminum alloy, #316 stainless steel, cast iron, carbon steel, polypropylene, PVDF etc. Based on the demand of different installation dimension and liquid, you can choose relevant size and fluid parts with PTFE, santoprene, nitrile (NBR), hytrel and FKM in it.

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Product Detail
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Quick Details

Brand Name:BSK
Model Number:BA50CI-C891-A
Place of Origin:Guangdong, China
Power Source:Pneumatic, Compressed air
Structure:Diaphragm Pump
Cable Length:Type
Outlet Size:Type
Fluid inlet/outlet:2 inch/ 50mm
Max Flow:667L/Min
Max Head:70M/Water
Max Self-Priming Lift(Dry):4.5M
Max Air Pressure:8.3Bar
Max Particle Diameter:7mm
Net Weight:48.5KG
Certification:ce, ISO:9001
Model No. Pipe Size Max. Air Pressure Max. Flow Rate Air side/
Fluid side Material
Seat Material Diaphragm/Ball
BA50CI-C891-A 2 inch/
8.3BAR/70PSI 667L/min Cast Iron


Carbon Steel


Product Description
Pneumatic diaphragm pump is a new transport machinery , is currently one of the most innovative pump . Using compressed gas as a power source for a variety of corrosive liquid , with particles of liquid , high viscosity , volatile, flammable, poisonous liquid can be pumped optical exhaustion . There are four pneumatic diaphragm material: plastic , aluminum, cast iron , stainless steel. Pneumatic diaphragm pumps were used nitrile,rubber,neoprene , Viton , Teflon , depending on the liquid medium , poly ethylene forty-six . To meet the needs of different users . Placed in a variety of special occasions , for pumping a variety of conventional pumps can not pump the media , have achieved satisfactory results.
Product Application
Pressure filter Plate-and-frame type filter press, for filter polluted water and separate moisture material.
Cardboard packaging machinery Cardboard synthesis equipment to extract paste, adhesive kraft paper and corrugated.
Chemical Factory Material handling or removable barrels material ( instead of drum pumps ).
Moving baggy filter Industrial wastewater filtration or chemical material separation.
Paint filling machinery pumping varnish for filling and packaging

Product Acessories & Size

Installation Method


Suitable to machinery, mining, chemical, automotive, water treatment, food and pharmaceuticals industry

Product Advantages



Q1: Are you a factory or a trading company?

A1: BSK is the JV-Enterprise for Chinese and American, have our R&D office in USA and factory in Guangzhou of China.

Q2: What are your payment methods acceptable?

A2: T/T , Western Union, Alipay, Paypal, L/C etc.

Q3: What about your package?

A3: Except 2 inch aluminum alloy pumps,other pumps less than 2 inch are using paper boxes, others are using wooden boxes.

Q4: How long is the warranty?

A4: According to the international standard, under standard operation, BSK offers 5 years guaranteed for the whole pump except the vulnerable parts.

Q5: The function of your pumps?

A5: 1. The pump can suck the peanut, pickles, tomato slurry, red sausage, chocolate, hops and syrup etc.

2. The pump can suck the paint, pigment, glue and adhesive etc.

3. The pump can suck various glazed slurries of tile, porcelain, brick and chinaware etc.

4. The pump can suck various toxin and flammable or volatility liquid etc.

5. The pump can suck various strong acid, alkali and corrosive liquid etc.

Q6: How about your product quality and service?

A6: We have many agents in around the world, they can offer you door-to-door after service when you have question in using our pumps. For certificates, we have ISO: 9001: 2015, CE, EAC and own design patents, quality assured, can accept OEM/ ODM, provide various personalized needs.


If you have some problems about Cast Iron Pump, or want to know more details about Stainless Steel, Plastic Pump, Cast Iron Pump, Carbon Steel Pump, etc. Welcome to contact us!

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