What is the lead time for orders?

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

What payment terms are accepted?

We accept LC (Letter of Credit) and T/T (Telegraphic Transfer).

What is the bore size range?

The bore size ranges from 50mm to 300mm.

Aeroflow High Pressure Roots Blowers (NSRH) /Roots Pump

Name: Aeroflow High Pressure Roots Blowers (NSRH) /Roots Pump
Brand: Greentech Industry (Jinan) Co., Ltd.
SKU: 679526872

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

US$675.00-7,270.00

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

Low 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.

Low Noise Operation: Helix structure with silent air cleaner and muffler significantly reduces operating noise.

Minimal Vibration: Fully machined precision rotors with complete dynamic balance ensure almost no vibration.

Compact Structure: Small design with small mounting area, suitable for space-constrained installations.

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

High Pressure Capacity: Exhaust pressure in dry state reaches up to 1kgf/cm2, suitable for high-pressure requirements.

Wide Application Range: Ideal for sewage treatment aeration, powder conveyor, combustion furnaces, and vacuum packaging.

Standardized Specifications: Each model includes performance tables and standard specifications for easy fan model selection.

Company profile

Greentech Industry (Jinan) Co., Ltd.

Shandong, China

Business Type: Manufacturer/FactoryExport Year: 2000-09-01Nearest Port: Qingdao, ShanghaiAverage Response Time: ≤1.21hTerms 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.