BSK1/2”inch Carbon steel corrosion resistance rubber membrane pneumatic double diaphragm 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:BP15CS-P991-A
Place of Origin:Guangdong, China
Power Source:Pneumatic, Compressed Air
Structure:Diaphragm Pump
Cable Length:Type
Outlet Size:Type
Air Inlet:1/4-18NPTF-1
Liquid Outlet:1/2-14NPTF-1
Liquid Inlet:1/2-14NPTF-1
Max Flow:45.3L/Min
Max Head:70M/Water
Max Self-Priming Lift(Dry):4.1M
Max Air Pressure:6.9Bar
Max Particle Diameter:2.5mm
Net Weight:5.5KG
Model No. Pipe Size Max. Air Pressure Max. Flow Rate Air side/
Fluid side Material
Seat Material Diaphragm/Ball
BP15CS-P991-A 1/2 inch 6.9AR 45.3L/min Cast 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
Ink/Printing Machinery 20PCS and above pumps in 1 ink equipments production

line,mainly transfer ink, for example: printing machines

for newspaer and magazine.

Spraying Machinery For spraying production line, especial for transfering paint.

Where give stainless steel tanks to reduce the general pulse. example:

spraying factory.

Ceramic Coating


20PCS and above pumps in 1 spraying production lines,

spraying glaze or varnish on the surfave of ceramics.

Packaging Machinery
/ Industry
Cardboard synthesis equipment to extract soda and

additives to form a mixing bucket and cassava paste ,

stick into kraft paper and corrugated.

Cardboard printing equipment , pumping ink.
Plastic packaging machinery, pumping fancy printing ink.
Machinery / Industry
Alternative peristaltic pump , as used in the " pill

coating machine ," etc.

Cleaning Machinery Pumping chemical abluent and cleaning materials for


Painting / Chemical
Chemical/ spraying factory, for material cycling.
protection machinery/Industry
For dosing purposes and adding chemical additive into

polluted water according to demand, in order to have

effect by condensation and separation.

Ceramic glaze tinting
For fully automatic tinting system and production equipments

of painting, used in coatings, paints, inks, wallpaper , wallpaper ,

wood, paper , flexible packaging , ceramics, printing and dyeing ,

leather, chemicals and other toner printing and dyeing industry.

Automatic ink tinting
Automatic feeding of
chemical raw materialsdistributor
Painting automatic
tinting system
Automated Liquid
Filling tinting system
Dosing System Chemical dosing system integration.

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.

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If you have some problems about Carbon Steel 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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