What is the lead time for production?

Peak season lead time is one month, while off-season lead time is within 15 workdays.

What is the structure and drive method?

The structure is a Rotary Vacuum Pump with a Tri-Lobe impeller, driven by a Motor via Belt connection.

What materials is the blower made of?

The main material specified for the blower is Casting Iron.

Pneumatic Conveying Roots Blower (NSRH) /Roots Pump

Name: Pneumatic Conveying Roots Blower (NSRH) /Roots Pump
Brand: Greentech Industry (Jinan) Co., Ltd.
SKU: 679526982

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

US$980.00

1 Piece

Product profile

Customization

Available

Oil or Not

Oil Free

Structure

Rotary Vacuum Pump

Model NO.

NSRH

Exhauster Method

Positive Displacement Pump

Vacuum Degree

High Vacuum

Work Function

Mainsuction Pump

Working Conditions

Dry

Color

Blue

Material

Casting Iron

Impeller

Tri-Lobe

Connect

Belt

Drive

Motor

Transport Package

Wooden Case

Specification

50~300

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 Pressure Capability: Dry state exhaust pressure reaches up to 1kgf/cm2 with pressure rise from 9.8kPa to 78.4kPa.

Oil-Free Operation: Oil-free rotary vacuum pump structure ensures clean air output for sensitive applications.

Wide Flow Range: Flow capacity ranges from 1.22 to 63.5 m3/min across various models (NSRH 50-300).

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

Robust Construction: Made of casting iron with tri-lobe impellers and belt drive for durability and stability.

Customizable Color: Available in Blue color option as specified in product attributes.

Professional Supplier: Supplied by Greentech International, a professional roots blower manufacturer with extensive experience.

Company profile

Greentech Industry (Jinan) Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2000-09-01Nearest Port: Qingdao, ShanghaiAverage Response Time: ≤2.21hTerms 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.