What is the lead time for orders?

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

What are the payment terms and shipping methods?

Payment terms include T/T, PayPal, and Western Union. Shipping methods include express (door-to-door), air (airport-to-airport), and sea (port-to-port), with customs clearance handled by the buyer for air and sea freight.

What technical support is provided after purchase?

We provide installation manuals, production supervision, testing performance curves, and inspection pictures. After-sales service includes 24-hour response for malfunctions and potential on-site technical support.

Sk-2D Liquid Ring Vacuum Pump

Name: Sk-2D Liquid Ring Vacuum Pump
Brand: Shanghai Yulong Vacuum Pump Co., Ltd.
SKU: 855062405

Shanghai, ChinaShanghai Yulong Vacuum Pump Co., Ltd.

US$500.00-750.00

1 Piece

Product profile

Customization

Available

Oil or Not

Oil Free

Structure

Reciprocating Vacuum Pump

Model NO.

SK-2D

Exhauster Method

Positive Displacement Pump

Vacuum Degree

Vacuum

Work Function

Mainsuction Pump

Working Conditions

Wet

Material: Impeller

Alloy Copper

Material: Pump Body

Cast Iron

Voltage

220V/380V/Customized

Frequency

50Hz or 60Hz

Color

Blue or Customised

Application

Plastic Extrusion Line;EPS Foam;Chemical Industry

Certification

Ce;Cq;SGS;ISO9001:2008, ISO14001:2004

Transport Package

Standard Export Polywooden Case

Specification

4KW; -0.095Mpa; 2m3/min

Trademark

YHZKB

Origin

Anhui, China

HS Code

8414100090

Production Capacity

300 Units/Month

Key features

Customizable Voltage and Color: Voltage supports 220V/380V/customized; Color offers Blue or customized options.

High-Quality Impeller Material: Impeller made of alloy copper via whole casting, manufactured in-house for durability.

Anti-Scaling Pump Chamber: Pump chamber features coating treatment to prevent scaling and ensure longevity.

Corrosion-Resistant Seal: Adopts custom anti-corrosion mechanical seal for enhanced performance in wet conditions.

CE Certified Motors: All motors are CE certified and self-manufactured to guarantee quality and safety.

One-Year Warranty Coverage: Provides a one-year warranty under correct installation and normal maintenance conditions.

24-Hour Technical Support: Offers 24-hour reply for malfunctions with solutions or on-site technical staff dispatch.

Wide Industrial Application: Ideal for plastic extrusion lines, EPS foam machines, and chemical industry processes.

Company profile

Years of Export ExperienceQuality AssuranceProduction Process VisualizationProduct Certification

Shanghai Yulong Vacuum Pump Co., Ltd.

Shanghai, China

Business Type: Manufacturer/Factory, Group CorporationExport Year: 2005-04-21Nearest Port: shanghai, ningboAverage Response Time: ≤8.06hTerms of Payment: T/T, PayPal, Western UnionInternational Commercial Terms(Incoterms): FOB, CFR, CIF, DDP, EXW

AI-Powered supplier vetting

SummaryThe supplier is a limited company with 84 employees, related companies, valid import/export licensing, and a combined business type. It manufactures and sells vacuum pumps, water pumps, pump systems, Roots blowers, and related products. ISO 9001 certification and CE certification are reported. Manufacturing resources include six production lines in one record, more than ten in another, and 6–10 quality-control staff; the inconsistent production-line data should be verified. The supplier provides multiple customization options and ODM services, but reported no new products during the past year and has no available SDK. Exporting began in 2005, with exports representing 21%–30% of total sales. After-sales controls are weakly documented: there are no written complaint-handling or corrective/preventive-action procedures, and no approved-supplier list. Customer-related evidence is limited to OEM service for well-known brands, without named cases.

Supplier typeThe supplier is a limited company with a combined business type, related companies, and a stated scope covering manufacturing and sales of vacuum and water pumps plus import and export of goods and technologies. It is not identified as an offshore company and holds a valid import/export license.

CertificationsThe supplier reports ISO 9001 management-system certification, CE certification, and quality assurance in its quality-control processes. These certifications and stated quality assurance provide explicit evidence of formal quality and product-compliance capabilities.

After-Sales capabilityThe supplier reports no written procedures or records for handling customer complaints and no written corrective and preventive action procedures. Although quality assurance is reported, the documented after-sales and issue-resolution mechanisms show a clear deficiency.

R&D capabilityThe supplier has 6–10 years of total R&D-engineer experience and offers ODM services, but reports no new products during the past year and no available SDK. The evidence shows some R&D resources and design capability, while recent innovation output and technical-platform support are limited.

Production capacityThe supplier manufactures a broad range of vacuum and water pump products, reports 84 employees, six production lines in one record and more than ten in another, and has 6–10 quality-control staff. However, it does not continuously reconcile quantities for each batch and has no outsourcing standard operating procedure; the conflicting production-line figures also require verification.

Customization capabilityThe supplier explicitly offers customization from samples, full customization, customization from designs, flexible customization, and minor customization, together with ODM services. This is direct evidence of broad customization capability.

Product Q&A

Q:What are the customization options for this pump?

We offer customized voltage (220V/380V/customized), color (Blue or customized), and specific applications. The impeller and pump body materials are also specified as alloy copper and cast iron respectively.

Q:What is the warranty period for the SK-2D pump?

We provide a one-year warranty. This covers malfunctions under correct installation, normal maintenance, and usage. We reply within 24 hours and may send technical staff if needed.

Q:What materials are used for the impeller and pump body?

The impeller is made of alloy copper through whole casting, manufactured in-house. The pump body is made of cast iron with anti-scaling coating treatment.

Q:What are the main applications for this vacuum pump?

It is widely used for plastic extrusion lines, EPS foam machines, chemical industry processes, and soak modeling machines. It solves issues with continuous water absorption and dirt accumulation.

Q:How does the company ensure product quality?

All motors are CE certified and self-manufactured. We use a complete microcomputer-controlled testing system where all products undergo inspection before shipping.