- SINGLE-DIRECTION THRUST BALL BEARINGS NSK РОЛИКОВЫЕ ПОДШИПНИКИ Сферические роликовые подшипники
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parker PVP piston pump
Отправить запросThe two main types of piston pump are the lift pump and the force pump. Both types may be operated either by hand or by an engine.
Lift pump
In a lift pump, the upstroke of the piston draws water, through a valve, into the lower part of the cylinder. On the downstroke, water passes through valves set in the piston into the upper part of the cylinder. On the next upstroke, water is discharged from the upper part of the cylinder via a spout.
Force pump
In a force pump, the upstroke of the piston draws water, through an inlet valve, into the cylinder. On the downstroke, the water is discharged, through an outlet valve, into the outlet pipe.
| Bearing Number | Bore Dia | Outer DIa | Width | Size |
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