What is the color of the product?

The standard color for this model is Blue.

What is the working condition of the blower?

The blower is designed to operate in wet working conditions.

What are the available power options?

Available electric power ranges from 0.55kW to 5.5kW.

Tri-Lobe Roots Blower (NSRH-50) /Positive Displacement Blower

Name: Tri-Lobe Roots Blower (NSRH-50) /Positive Displacement Blower
Brand: Greentech Industry (Jinan) Co., Ltd.
SKU: 679305962

Shandong, ChinaGreentech Industry (Jinan) Co., Ltd.

US$700.00

1 Piece

Product profile

Customization

Available

Oil or Not

Oil

Structure

Rotary Vacuum Pump

Model NO.

NSRH-50

Exhauster Method

Positive Displacement Pump

Vacuum Degree

High Vacuum

Work Function

Mainsuction Pump

Working Conditions

Wet

Color

Blue

Material

Casting Iron

Impeller

Tri-Lobe

Connect

Belt

Drive

Motor

Transport Package

Wooden Case

Specification

Trademark

greentech

Origin

China

HS Code

8414

Production Capacity

1000sets/Months

Key features

High Efficiency Design: New impeller lines improve adiabatic and volumetric efficiency, reducing heat generation and temperature rise.

High Vacuum Capability: Delivers high vacuum performance with exhaust pressure up to 1kgf/cm2 in dry state.

Versatile Applications: Ideal for sewage treatment aeration, powder conveying, combustion furnaces, washing, and vacuum packaging.

Durable Construction: Built with casting iron material and tri-lobe impeller for robust performance in wet conditions.

Wide Power Range: Available in motor powers from 0.55kW to 5.5kW to suit various flow capacity needs.

Flexible Pressure Options: Discharge pressure adjustable from 9.8kpa to 78.4kpa (0.10 to 0.8 kgf/cm2).

Proven Manufacturer: Greentech International is a professional supplier with years of experience in roots blower manufacturing.

Global Export Experience: Exporting since 2000 to markets including North America, Europe, and Southeast Asia.

Company profile

Greentech Industry (Jinan) Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2000-09-01Nearest Port: Qingdao, ShanghaiAverage Response Time: ≤0.96hTerms of Payment: LC, T/TInternational Commercial Terms(Incoterms): FOB, CFR, CIF, EXW

AI-Powered supplier vetting

SummaryThe supplier is a professional technical manufacturer and exporter involved in mechanical parts, general and special equipment, electrical instruments, auto parts, mining machinery, CNC equipment, and related products. It reports R&D capability, SDK availability, 3D design services, ODM services, OEM experience for well-known brands, and broad customization options. Production information lists annual outputs of 100,000 ring blowers, 5,000 roots blowers, and 3,000 water ring vacuum pumps, supported by 11–20 quality-control staff and three R&D engineers. Written procedures and records are reported for supplier assessment, corrective and preventive actions, and customer complaints. However, no new products were launched in the past year, raw-material traceability status is unknown, and no overseas warehouses, showrooms, agents, branches, or offline trade-show participation are reported. Certification holdings and specific customer cases are not provided.

Supplier typeThe supplier identifies as a professional technical supplier and operates across equipment manufacturing, mechanical parts, mining machinery, CNC equipment, electrical instruments, and auto parts. Its stated business scope also includes import and export of goods and technology, indicating both manufacturing and trading/export activity.

After-Sales capabilityThe supplier reports written procedures and followed records for corrective and preventive actions and for handling customer complaints, and emphasizes customer service and satisfaction. These records provide explicit evidence of service-management processes, although overseas service infrastructure is absent according to the provided data.

R&D capabilityThe supplier reports professional R&D capability, 3D software design services, SDK availability, ODM services, OEM services for well-known brands, and multiple customization modes. Nevertheless, it also states that no new products were launched during the past year, and its product-information R&D response is negative, so recent innovation output is limited.

Production capacityReported annual output includes 100,000 ring blowers, 5,000 roots blowers, and 3,000 water ring vacuum pumps. The supplier also reports 11–20 quality-control staff, exports to South America, Southeast Asia/Mideast, and Europe, and an off-peak lead time of one month, providing explicit evidence of established production and export operations.

Customization capabilityThe supplier explicitly offers customization from samples, customization from designs, full customization, minor customization, and flexible customization, supported by professional R&D and 3D software design services. This indicates broad capability to adapt products to customer specifications.