What drive supply and control functions are available?

The drive supply, adjustment methods and control functions must be confirmed for the selected EHN-B configuration before ordering.

What metering accuracy can I expect?

Accuracy and repeatability must be confirmed from the model-specific specification under stated test and operating conditions.

What information is needed for a quotation?

Send the chemical properties, dosing rate, discharge pressure, preferred head material, control requirements, drive supply, connections, quantity and destination country.

Ehn-B Diaphragm Metering Pump for Chemical Dosing Applications

Name: Ehn-B Diaphragm Metering Pump for Chemical Dosing Applications
Brand: Guangzhou Hennvi Electronic Equipment Co., Ltd.
SKU: 2336316565

Guangdong, ChinaGuangzhou Hennvi Electronic Equipment Co., Ltd.

US$150.00-800.00

1 Piece

Product profile

Customization

Available

After-sales Service

24/7 Online Technical Support, Remote Troubleshoot

Warranty

1 Year

Model NO.

EHN-B

Certification

EMC, CE, ISO9001:2015

Rated Current

1-4A

Voltage

220V

Material

PVDF

Power

Electric

Valve Body Type

Diaphragm

Function

Quantitative

Diaphragm Material

PTFE + EPDM

Performance

No Leak

Pump Type

Diaphragm Metering Pump

Application

Chemical Liquid Dosing

Pump Head Options

PVC / Gfrpp / PVDF / SUS

Power Consumption

24W

Supply Voltage Options

110 V / 220 V

Stroke Frequency Range

1-360 Strokes/Min

Stroke Adjustment Range

50-100%

Listed Self-Priming Capability

up to 1.5 M, Subject to Model-Specific Conditions

Transport Package

Carton Packaging

Specification

EHN-B

Trademark

HENNVI

Origin

Guangdong, China

Production Capacity

50000/Years

Key features

Diaphragm Metering Design: Designed for chemical liquid dosing, with performance confirmed for the selected duty point.

Four Pump Head Options: PVC, GFRPP, PVDF and SUS configurations are available for application-specific selection.

Wetted Material Selection: Review HC alloy, ceramic, fluororubber and PTFE components according to the selected configuration.

Chemical Compatibility Review: Match the head, diaphragm, valves and seals to the liquid concentration and operating temperature.

Dosing Duty Matching: Select the required dosing rate and discharge pressure using model-specific technical data.

Control Requirement Review: Confirm available adjustment and control functions against the process requirements.

Installation Planning: Check tubing connections, suction conditions, mounting dimensions and maintenance access.

Configuration Documentation: Specify the head material, wetted components and included accessories in the order.

Company profile

Importers and ExportersHigh Repeat Buyers ChoiceYears of Export ExperienceSelf-branded

Guangzhou Hennvi Electronic Equipment Co., Ltd.

Guangdong, China

Business Type: Manufacturer/Factory CertifiedR&D Capacity: ODM Service AvailableAverage Response Time: ≤0.32h

AI-Powered supplier vetting

SummaryThe supplier operates across mechanical and electrical equipment, rubber and plastic products, chemical-related equipment, hardware, electronic components, installation, repair, leasing, and import/export activities. It reports 3D software design and broad customization capabilities, including customization from samples and designs, full, minor, and flexible customization, supported by stated R&D activity and new products in the past year. It has inventory capability and 14 years of export experience, with access to Guangzhou and Shenzhen ports. However, it lacks a valid manufacturing-capacity contract with affiliated subcontractors, overseas warehouses, overseas showrooms, overseas agents or branches, and offline trade-show participation. Finished-product inspection follows instructions but has no written records. The provided financial records report zero values across the stated periods, which limits evidence of financial strength. No certification information or customer cases are provided.

Supplier typeThe supplier’s stated business scope covers manufacturing of mechanical and electrical equipment, rubber and plastic products, sales of related products and components, equipment installation and repair, leasing, and import/export activities. This supports classification as a diversified manufacturer and trading/service supplier, rather than a narrowly specialized supplier.

After-Sales capabilityThe supplier states that it can repair electrical equipment and install general mechanical equipment, and it accepts FOB, CIF, CFR, and EXW quotation terms. However, it has no overseas agents or branches, overseas warehouse, or overseas showroom, so the evidence supports some technical service capability but not broad overseas after-sales coverage.

Financial creditThe provided records report zero operating revenue, operating cost, gross profit, operating profit, cash receipts, cash inflows, cash outflows, gross margin, and current ratio for the stated periods. These figures provide no positive evidence of financial strength and indicate a significant financial-information concern.

R&D capabilityThe supplier confirms R&D capability with new products developed during the past year and provides 3D software design services. Its stated philosophy also emphasizes practical innovation and continuous improvement, directly supporting an innovation capability assessment.

Production capacityThe listed facility includes lathe, cutting-machine, and milling-machine capabilities, and the supplier reports inventory capacity and 14 years of export experience. However, it has no valid contract with affiliated subcontractors for manufacturing capacity, while finished-product inspection relies on instructions without written records; therefore production capability is evidenced but operational control has limitations.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, in addition to 3D software design services. These repeated statements provide strong evidence of broad customization capability.

Product Q&A

Q:What type of pump is the EHN-B?

The EHN-B is a diaphragm metering pump for controlled chemical liquid dosing.

Q:What pump head materials are available?

Pump head options include PVC, GFRPP, PVDF and SUS. Select the configuration according to the chemical and operating conditions.

Q:What other wetted materials are used?

The wetted material range includes HC alloy, ceramic, fluororubber and PTFE. The exact materials and their component assignments will be specified for the selected configuration.

Q:Can it dose my acid or alkali solution?

Please provide the chemical composition, concentration and temperature. Compatibility must be checked for the pump head, diaphragm, valves and seals.

Q:What dosing rate and discharge pressure are available?

These depend on the exact model and operating conditions. Provide your required dosing rate and discharge pressure for model selection.