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Hydraulic diaphragm metering pump

2023-05-04 20:07 9925 views

‌Hydraulic diaphragm metering pump, one kind of plunger diaphragm metering pump, is a metering pump designed by combining the characteristics of plunger metering pump and diaphragm metering pump. The contact part between the metering pump and the metered medium is a diaphragm, while the driving part is a hydraulic plunger. Sunrise petro has rich experience in supply of Hydraulic diaphragm Metering pump.

DESCRIPTION

Working principle

The basic working principle is similar to that of plunger pump. The reciprocating motion of the plunger pushes the hydraulic oil, and the hydraulic oil pushes the diaphragm to do reciprocating motion to realize the suction and discharge of the medium.

The plunger of the pump reciprocates with a certain stroke, and the hydraulic oil is squeezed into the diaphragm chamber and pushed out of the diaphragm. The diaphragm is a movable partition between the hydraulic oil and the conveying liquid. When the plunger moves forward, it pushes the hydraulic oil. The hydraulic oil acts on the diaphragm, and the liquid is discharged through the outlet check valve. During suction, the pump plunger will take the oil out of the diaphragm to move the diaphragm and suck the liquid through the inlet check valve to complete the continuous transmission of liquid.


TECHNICAL DATA

Parameter

Flow range: 1.5-180L/H

Maximum pressure: 30Mpa

Diaphragm material: PTFE

Pump head material: 304, 316 (options: dual phase steel, Alloy C-276, 904, titanium, PVDF, zirconium, etc.)

Motor: 380V, 3PH, 50HZ (options: 110-480V, single-phase, 60HZ, variable frequency/explosion-proof/explosion-proof variable frequency, etc.)


MORE DETAILS

Feature

The hydraulic diaphragm metering pump of Sunrise petro has the following advantages.

  1. The metering accuracy is better than that of mechanical diaphragm pump, and the sealing performance is better than that of plunger pump.
  2. The flow control is realized by adjusting the stroke length and the speed regulation of the frequency converter, which can be automatically controlled remotely.
  3. When transporting special media, double diaphragms with diaphragm rupture alarm device can be used to prevent accidents caused by media mixing with hydraulic oil when diaphragm rupture occurs;
  4. It can be equipped with digital controller of metering pump to realize digitalization, local and remote control.
  5. No dynamic seal and leakage.
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