What is the lead time for delivery?

The average lead time is within 15 workdays for both peak and off-peak seasons.

What is the ultimate vacuum level?

The ultimate vacuum is less than or equal to 399.9 Pa (3mmHg).

Explosion Proof Chemical Use 20L Distillation and Purification Digital Vacuum Control Rotary Evaporator

Name: Explosion Proof Chemical Use 20L Distillation and Purification Digital Vacuum Control Rotary Evaporator
Brand: Zhengzhou Wollen Instrument Equipment Co., Ltd.
SKU: 880875495

Henan, ChinaZhengzhou Wollen Instrument Equipment Co., Ltd.

US$2,000.00-5,000.00

1 Set

Product profile

Customization

Available

After-sales Service

24 Hours Online

Warranty

One Year

Model NO.

R-1020

Application

Industry, School, Lab

Customized

Structure

Vertical

Material

Stainless Steel

Type

Water Bath

Evaporatoring Flask

20L

Receiving Flask

10L

Power Supply

220V 50/60Hz

Rotation Speed

20~130rpm

Evaporating Speed

Water: 5L/H; Ethanol: 14.3L/H

Heating Power

6.0kw

Bath Material

Stainless Steel 304

Heating Temperature

Room Temp~99c

Temperature Display

Digital Display

Ultimate Vacuum

Less 399.9PA (3mmhg)

Vacuum Sealing

PTFE+Viton Gaskets

Lifting

Motorized Lift

Lifting Distance

0~190mm

Net Weight

90kg

Power of Motor

250W

Transport Package

Plywood Box

Specification

1120x680x1900mm

Trademark

WollenLab

Origin

China

HS Code

8419409090

Production Capacity

300sets/Month

Key features

Explosion Proof Design: Safe for chemical use with double sealing technology ensuring negative pressure stability.

Large Capacity Distillation: 20L evaporating flask and 10L receiving flask for efficient pilot-scale production.

High Evaporation Speed: Water: 5 L/h; Ethanol: 14.3 L/h with digital vacuum control and stepless speed control.

Comprehensive Safety Protection: Features dry-run, over-temp shut-off, fuse protections, and water bath jacket.

Flexible Customization: Supports full customization, minor customization, and customization from samples or designs.

Digital Control System: Digital display for temperature and speed with precise control and stepless adjustment.

One Year Warranty: Includes 24 hours online after-sales service for technical support and maintenance.

Company profile

Importers and ExportersFast DeliveryCustomization from SamplesOEM Services

Zhengzhou Wollen Instrument Equipment Co., Ltd.

Henan, China

CertifiedBusiness Type: Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedCustomization Options: Customization from Samples, Customization from Designs, etc. CertifiedExport Year: 3 Years CertifiedNearest Port: Shanghai PortAverage Response Time: ≤4.68h

AI-Powered supplier vetting

SummaryThe supplier is a limited company focused on laboratory instruments, including reactors, incubators, rotary evaporators, and circulating baths. It reports extensive customization, ODM, and OEM capabilities, while export sales represent 90% and markets span multiple regions. Production evidence includes 800 rotary evaporator sets annually and stated peak and off-season lead times of within 15 working days. However, the supplier reports only two employees, fewer than five quality-control staff, one year of R&D engineer experience, no new products in the past year, and no 3D design or SDK capability. After-sales and quality-management documentation is weak or unavailable: there are no written complaint-handling or corrective-action procedures, no overseas service infrastructure, and quality assurance status is unknown. Financial records are identified for 2020–2022, but no assessable financial results are provided.

Supplier typeThe supplier is a limited company that produces and sells laboratory instruments, with self-operated import/export rights and 90% of sales from exports. Its product range includes reactors, incubators, rotary evaporators, and circulating baths, indicating a manufacturer-oriented laboratory-equipment supplier.

After-Sales capabilityThe supplier has no overseas showroom, agents, branches, or reported offline trade-show participation. It also has no written complaint-handling or corrective/preventive-action procedures, although service quotations and payment terms are defined and service-capability assessment records exist without a written procedure.

R&D capabilityThe supplier states that it pursues continuous innovation and product expansion, and it provides ODM and OEM services. However, it reports no new products during the past year, no SDK, no 3D software design service, and only one year of R&D engineer experience, limiting evidence of current innovation strength.

Production capacityThe supplier reports annual rotary evaporator output of 800 sets and lead times within 15 working days in both peak and off-season periods. However, the reported total employee count is only two and quality-control staffing is fewer than five, so overall production scale and operational depth remain difficult to verify.

Customization capabilityThe supplier explicitly offers customization from samples and designs, full, minor, and flexible customization, as well as ODM and OEM services for popular brands. This is direct evidence of broad customization capability, despite the absence of 3D software design and SDK support.