Chemical Pump
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Chemical Pump

Chemical gear metering pumps are positive displacement metering devices based on the principle of gear meshing. Thanks to their high precision, strong corrosion resistance, and stable flow rate, they are widely used in chemical, petroleum, pharmaceutical, and environmental protection industries. They are responsible for the quantitative transfer of various corrosive, viscous, and particle-containing media, and are a key core equipment for flow control in chemical production processes.
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Product Introduction

Core Advantages of chemical pump

1. High-precision metering and stable flow rate
As a positive displacement pump, its flow rate is strictly proportional to the rotational speed and is unaffected by fluctuations in outlet pressure. Even when switching between high and low-pressure conditions or when the viscosity of the medium changes, it maintains stable delivery accuracy, making it suitable for applications requiring extremely precise flow control, such as chemical reactor feeding and quantitative additive dosing.

2. Strong corrosion resistance, suitable for complex media
The pump body, gears, seals, and other key components can be made of corrosion-resistant materials such as 316L stainless steel, Hastelloy, fluoroplastics (PTFE), and ceramics, depending on the characteristics of the medium. This allows the pump to withstand the corrosion of various chemical media, including acids, alkalis, salt solutions, organic solvents, and strong oxidizing agents, solving the problem of transporting corrosive media.

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3.High-pressure conveying capability, suitable for complex working conditions
The gear meshing structure inherently offers high-pressure output advantages, with outlet pressures reaching 0.6MPa to 35MPa, meeting the requirements of long-distance conveying and high-pressure reaction system feeding, among other demanding applications.

4. Compact structure and convenient maintenance.
Featuring a modular design, it is small in size and flexible in installation, allowing for integration into automated production lines. The sealing system utilizes leak-free designs such as mechanical seals and magnetic seals, eliminating the risk of media volatilization and leakage; wear parts (gears, seals) are easy to disassemble and replace, reducing subsequent maintenance costs.

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Typical application of chemical pump

1. Fine Chemical Industry:
Used for quantitative feeding in acid-base neutralization reactions, precise catalyst addition, and transportation of dye intermediates, ensuring accurate reaction ratios and improving product quality stability.
2. Petrochemical Industry:
Suitable for crude oil additive injection, lubricating oil blending and metering, and petrochemical waste treatment and transportation, withstanding high temperature, high pressure, and high viscosity media.

3. Environmental Water Treatment Field:
Responsible for the quantitative dosing of wastewater treatment chemicals (such as PAC, PAM, and pH adjusters), precisely controlling chemical concentrations to improve water treatment efficiency.
4. Pharmaceutical and Food Fields:
Utilizing food-grade stainless steel materials, used for the quantitative delivery of pharmaceutical liquids and food additives (such as preservatives and flavorings), complying with GMP production standards and ensuring the purity and freedom from contamination of the media.

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Packing & Delivery
1.Standard export carton/plywood case or to customer's request.
2.Usually shipped by air.
3.We do our best to ship your order within 4 week after receiving your payment.
Chemical Pump

Key Selection Considerations:
1. Medium characteristics matching: Select the appropriate pump body material and sealing solution based on the corrosiveness, viscosity, temperature, and solid content of the medium.
2. Flow rate and pressure parameters: Clearly define the required rated flow rate and maximum outlet pressure for the process, and match the gear module and motor power accordingly.
3. Explosion-proof and protection requirements: In flammable and explosive chemical environments, an explosion-proof motor must be used, with a protection rating of at least IP55.

type

Single rotation displacement(cc/rev)

Rated flow rate at maximum speed(L/min)

Maximum speed

(rpm)

Inlet/outlet dimension

ES158

1.58

1.5

980

G1/2"

ES253

2.53

2.4

980

G1/2"

ES348

3.48

3.4

980

G1/2"

ES475

4.75

4.6

980

G1/2"

ES712

7.12

6.9

980

G1/2"

ES950

9.50

9.3

980

G1/2"

EM142

14.2

10.2

720

G3/4"

EM214

21.4

15.4

720

G1"

EM320

32.0

23.0

720

G1"

EM380

48.1

20.9

550

G1 1/4"

EM600

60.0

33.0

550

G1 1/2"

EM800

80.0

38.4

480

G1 1/2"

EL108

108.0

51.8

480

G1 1/2"

EL160

160.0

64.0

400

Flange φ50

EL240

240.0

96.0

400

Flange φ50

 

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