Products
BQG pneumatic diaphragm pump for mine

Product Description:

BQG pneumatic diaphragm pump for mine is a new proprietary diaphragm equipment at domestic leading and international advanced level with self-innovation and independent research.
BQG pneumatic diaphragm pump for mine is a high-quality positive-displacement self priming pump with compressed air usually used by mining industry acting as the driving force. It makes use of pressure difference inside the air chamber to alternately generate suction pressure and positive liquid pressure in the liquid chamber, and controls switch of the one-way ball valve to ensure positive flow. This pump features design with no dead spots, stalling resistance and modularized pneumatic pump body/fluid parts, and effectively solves technical problems like non-perfect movement of spool parts of original diaphragm pump. Pneumatic diaphragm pump is a kind of new delivery machinery, with core parts casted by aluminum alloy, diaphragm, ball and ball seat manufactured with international advanced materials. It has advantages of light weight, small volume, low noise, simply operation, reliable operation, wear-resistance, corrosion resistance, fireproofing, explosion proofing, etc. And it is especially suitable for mines, galleries, tunnel engineering and petroleum, chemical industry, etc. Meanwhile it can also acts as submersible pump, self priming pump, trash pump, canned pump and slurry pump, etc. with a wide range of application, it can meet the needs of different users and different media, and has become the main substitute for silent pneumatic submersible pump.

Environment conditions:

a) Delivering fluid materials, medium concentration (by volume) is less than 15%;
b) maximum diameter of Solid particle is less than 9mm
c) Operating ambient temperature ranges from 5to 50.
d) Medium delivered has PH value ranging from 6 to 8
e) Delivered medium temperature does not exceed 50棻
f) Proper air pressure is 0.4MPa~0.8MPa.

Advantages and features:
1. Less energy consumption, energy efficient and environment friendly;
2. Small size, light weight, simple operation, wide range of application;
3. Totally pneumatic product, safe and reliable;
4. Idling and overload operation allowable, without damaging equipment;
5. Reciprocal motion, with pause, high efficiency.

Model and explanation:

Model

Flow
(l/min)

Outlet pressure
(MPa )

Air
consumption
(m³/min )

Rated air
pressure
(MPa)

Mass
(kg )

Outer
dimension
(mm )

Inlet/outlet
pipe diameter
(in )

BQG100/0.4
100
0.4
0.40.5
0.60
21.3
490400340
1.5
BQG125/0.45
125
0.45
0.50.7
0.60
28.4
644438390
2
BQG140/0.3
140
0.3
0.50.55
0.60
21.3
490400340
1.5
BQG170/0.25
170
0.25
0.60.8
0.60
21.3
490400340
1.5
BQG200/0.4
200
0.4
0.80.9
0.6
41.8
890538477
3
BQG250/0.3
250
0.3
0.70.85
0.6
28.4
644438390
2
BQG320/0.3
320
0.3
0.850.95
0.6
41.8
890538477
3
BQG350/0.2
350
0.2
0.650.85
0.60
28.4
644438390
2
BQG450/0.2
450
0.2
0.91.0
0.6
41.8
890538477
3

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