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Adopting area
This BRW250/31.5 is based on the common crankcase and derives different new pumps. Composed with RX250/20 emulsion tank, it can provide power not only to the underground devices but also ground hydraulic devices.
This model is usually composed with one tank.
Structure features
*Horizontal three-plungers, cone shape suction and drainage valve.
*Quadruple explosion proof motor drive, rubber type coupling element, first grade cylindrical gear reduction.
*It is equipped with energy accumulator (25L), safety valve and unloading valve.
*The pump head can’t unload while change the plunger seal.
Technical parameters
|
Model |
BRW250/31.5 |
BRW200/31.5Ⅱ |
|
Inflow pressure |
Ordinary pressure |
|
|
Nominal pressure (MPa) |
31.5 |
31.5 |
|
Nominal flow (L/min) |
250 |
200 |
|
Shaft speed (r/min) |
567 |
567 |
|
Plunger diameter (mm) |
40 |
36 |
|
Plunger stroke (mm) |
74 |
74 |
|
Plunger quantity (mm) |
5 |
5 |
|
Engine power (KW) |
160 |
125 |
|
Dimension L×B×H (mm) |
2695×966×1245 |
2695×966×1245 |
|
Overall weight (kg) |
3000 |
3000 |
|
Original pressure of safety valve (MPa) |
34.7~36.2 |
34.7~36.2 |
|
Original pressure of unloading valve (MPa) |
31.5 |
31.5 |
|
Working pressure of lubrication oil pump (MPa) |
0.1~0.4 |
|
|
Working liquid |
3-5% emulsion (pure water) |
|
|
Matched liquid box |
RX250/20 |
|