Can the cable length be customized?

Yes, the cable length is customizable to fit your specific needs.

What is the maximum flow rate?

The maximum flow rate for the ZJ-300J1 model is 300 L/S.

Is this pump suitable for corrosive gases?

Yes, Roots pumps can be used to extract corrosive gases in applications like space simulation and wind tunnels.

Zj-300j1 High Efficiency Roots Mechanical Vacuum Pump for Vacuum Machine

Name: Zj-300j1 High Efficiency Roots Mechanical Vacuum Pump for Vacuum Machine
Brand: Wuxi Sifang Vacuum Equipment Co., Ltd.
SKU: 1990657062

Jiangsu, ChinaWuxi Sifang Vacuum Equipment Co., Ltd.

US$3,529.25

1-9 Pieces

US$3,352.55

10-49 Pieces

US$3,176.80

50+ Pieces

Product profile

Customization

Available

After-sales Service

Online Support

Warranty

1 Year

Model NO.

ZJ-300J1

Oil or Not

Oil

Structure

Vacuum Pump

Exhauster Method

Entrapment Vacuum Pump

Vacuum Degree

Vacuum

Work Function

Mainsuction Pump

Working Conditions

Dry

Key

Roots Vacuum Pump

Horsepower

5.36 HP

Pressure

Low Pressure

Cable Length

Customizable

Voltage

380V 50Hz

Power

4kw

Outlet Size

DN100

Power Source

Electric

Maximum Head

0.05PA

Maximum Flow Rate

300 L/S

Application

Food and Beverage Industry, Industrial Boilers

Transport Package

Sea-Worthy

Specification

1330X556X505mm

Trademark

Wuxi Sifang

Origin

China

HS Code

8414100040

Production Capacity

10000 Pieces/Month

Key features

High Efficiency Roots Pump: Rotary variable capacity pump with 8-shaped rotors for high compression ratio and large pumping speed.

Wide Application Range: Suitable for metallurgy, chemical, food, pharmaceutical, and electronic coating industries.

Dust and Vapor Resistant: Not sensitive to dust and water vapor in extracted gas, ensuring stable operation.

Professional OEM/ODM Service: R&D department supports OEM and ODM projects with professional engineering teams.

Online After-Support: Provides online support and comprehensive aftermarket services for all equipment.

One Year Warranty: Includes a 1-year warranty period for peace of mind and quality assurance.

Customizable Cable Length: Cable length can be customized to meet specific installation requirements.

High Production Capacity: Capable of producing at least 3000 sets of vacuum equipment annually.

Company profile

Wuxi Sifang Vacuum Equipment Co., Ltd.

Jiangsu, China

CertifiedBusiness Type: Manufacturer/Factory & Trading Company CertifiedR&D Capacity: ODM Service Available & OEM Service Available CertifiedNearest Port: Shanghai PortAverage Response Time: ≤10.04h CertifiedTerms of Payment: LC, T/T, D/P, etc. CertifiedInternational Commercial Terms(Incoterms): FOB, CIF, CFR

AI-Powered supplier vetting

SummaryWuxi Sifang Vacuum Equipment Co., Ltd. is a China-based limited company established in 2000, specializing in vacuum pumps, furnaces, systems, and components. It reports a 29,587.44 m² manufacturing plant, 88 employees, ISO 9001:2015 certification, four R&D engineers, one-month lead times in both peak and off-peak periods, and annual capacity of at least 3,000 vacuum-equipment sets. The supplier states that it supports OEM/ODM projects, uses CNC and testing equipment, provides a one-year warranty, and exports to more than 40 countries. Evidence also includes two 2025 vacuum-pump system product records. Financial credibility cannot be assessed because available financial information is excluded from this analysis. Customer-case evidence is limited to stated application sectors and export destinations rather than named or independently detailed projects.

Supplier typeThe supplier is identified as a China-based limited company established in 2000, with a stated focus on manufacturing vacuum pumps, furnaces, systems, and components for industrial applications. Its 29,587.44 m² plant and industrial-equipment business classification support its characterization as a dedicated vacuum-equipment manufacturer.

CertificationsThe supplier explicitly reports holding an ISO 9001:2015 supplier-management-system certificate. This is direct evidence of certification for the stated quality-management standard.

After-Sales capabilityThe supplier states that its vacuum equipment includes a one-year warranty and that it offers a comprehensive suite of aftermarket services. These statements provide direct evidence of warranty and aftermarket-support capability, although specific service response procedures are not provided.

R&D capabilityThe supplier reports four R&D engineers, innovative and energy-efficient equipment, automatic CNC machines, multifunction testing machines, and technical support for OEM/ODM work. These details indicate established engineering and development resources.

Production capacityThe supplier reports a 29,587.44 m² manufacturing plant, capacity of at least 3,000 vacuum-equipment sets per year, one-month lead times in both peak and off-peak seasons, and two documented 2025 vacuum-pump systems with specified power and suction-flow ratings. Together, these provide direct evidence of manufacturing scale, delivery capability, and product output.

Customization capabilityThe supplier states that its R&D department supports OEM and ODM projects, and it offers vacuum systems and components for diverse applications. This directly supports customization capability, although no specific customized project specifications are supplied.

Client casesThe supplier states that its equipment is used in aviation, aerospace, military, railway, automobile, machinery, mold, electronics, metallurgy, and research, and that it exports to more than 40 countries. Two product records show 2025 vacuum-pump systems used in an oil-production plant; however, the available evidence does not provide detailed, independently verified named customer case studies.

Product Q&A

Q:Are you a factory or trading company?

We are a factory and we have professional team of workers,Designers and inspectors.

Q:Do you accept custom?

Of course.We have professional teams who make your designs,photos,imagines and OEM orders into real production.

Q:What's your advantages?

Quick response to your enquiry, High quality control, Reasonable price, Timely delivery, Excellent after-sales service, OEM/ODM are welcome

Q:What's your shipping terms?

If you need to ship by air,we can use DHL,UPS,FedEx,TNT or EMS.If you need to ship by sea,we have many good forwarders to work with,they can provide the best price for you.

Q:What is the warranty period?

We provide a 1-year warranty for this vacuum pump.