Metering pump is a special pump, it can be measured and transported liquid, also known as a quantitative pump or proportional pump. Metering pump is characterized by a predetermined amount or time interval to supply or extract a certain material, often used for various types of pharmaceutical equipment added, so also known as dosing pump. In addition, metering pumps are widely used in chemical, petroleum, hydroelectric, mining, papermaking, Metering Pump food processing and other industries.
Metering pumps are also known as quantitative pumps or proportional pumps. Metering pump is a kind of can meet a variety of strict process needs, flow can be $number in the range of stepless regulation, Metering Pump used to transport liquids (especially corrosive liquids) a special volume pump. metering pump control metering pump every a times the amount of fluid pump determines its measurement capacity.
Metering pump is a one-way volumetric pump, pump cavity pressure is greater than the external pressure metering pump can be typed liquid. When the outside pressure is higher than the sign, Metering Pump the metering pump works in an overload state. If the electromagnetic diaphragm metering pump, its flow will drop a lot, even can not hit the liquid; if it is the motor-driven metering pump, the motor may overheat damage.
1. Classification of metering pumps
Metering pump According to the flow part is divided into plunger metering pump and diaphragm metering pump; According to the driving mode can be divided into motor drive and electromagnetic drive metering pump; According to the working mode can be divided into reciprocating and rotary and gear; Metering Pump According to the characteristics of the pump, can be divided into electric control type, gas control type, insulation type, heating type and so on.
2. The material of metering pump
metering pump commonly used materials are PVC plastic, stainless steel 304, stainless steel 316L, cast iron and fluorine-lined plastic.
3. Basic Performance Parameters
-Flow range: 80-1800l/h
-Pressure range: 0-1.0MPA
-Motor power: 370W, 220v/380v/400v, Hz
-Drive System: Two-phase, Metering Pump three-phase motor or explosion-proof motor
-Protection Rating: IP55
-Flow control: manual control, automation
-Material
Pump head: SUS304, SUS316, PVC, PTFE
Diaphragm: Compound PTFE
Check valve: SUS304, SUS316, PVC, PTFE
Valve ball: ZrO2, SUS304, SUS316, ceramics
4. Working Conditions
Ambient temperature: -30℃---60 ℃
Motor: Two-phase, Metering Pump three-phase standard motor or explosion-proof motor
Motor power: 370W, 220v/380v/400v, Hz
Protection Rating: IP55
