Import Diffusion Vacuum Pump Ktn/Kn — Buy in wholesale FOB from Supplier in China

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Diffusion Vacuum Pump Ktn/kn by Taizhou Shouzhen Machineryco., Ltd
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Diffusion Vacuum Pump Ktn/kn - Image 1

Diffusion Vacuum Pump Ktn/kn

🕐Last updated: Oct 17, 2026
500– / Bags
Min. Order: 1 Bags
💱≈ ₹500.00/ Bags
Live rate: 1 USD = 1.00 INR
📁CategoryIndustrial Pumps
💳Payment TermsT/T · L/C · D/P
Escrow Payment Available on EximNext
Pay your way — T/T, L/C, or opt for Escrow for full protection. Your deal, your choice.
Buy & Import Diffusion Vacuum Pump Ktn/kn from Taizhou Shouzhen Machineryco., Ltd - Wholesale Supply

The KTN/KN series diffusion vacuum pump is an internally heated system designed to achieve high vacuum conditions between 10^-4 Pa and 10^-5 Pa, with pumping capacities ranging from 3100 L/s to 110000 L/s. It features integrated observation windows, dedicated oil inlet and outlet ports, overheat protection for pump oil, and cooling water temperature alarms. The heating rods are arranged in parallel and can be replaced without shutting down the unit, reducing thermal cycling and improving operational uptime.

This pump uses a stretched metal construction to minimize weld cracks and out-gassing, enhancing structural integrity and vacuum purity. When operated with standard pump oil, the back-streaming rate is 1×10^-3 mg/cm²·min; with 275 silicon oil, it drops to 1×10^-4 mg/cm²·min. The ultimate vacuum performance is below 10^-6 Pa, making it suitable for applications requiring low contamination levels. The design eliminates the need for external water-cooled baffles, simplifying system integration.

These pumps are commonly used in vacuum coating, electron beam welding, aerospace testing chambers, and high-temperature vacuum furnaces. Buyers include manufacturers of optical coatings, semiconductor equipment, and research labs in aerospace and materials science. Trade terms typically follow FOB or CIF from Shanghai or Ningbo ports. Packaging includes wooden crates with internal foam padding, and the unit requires pre-installation alignment checks due to its sensitivity to tilt and vibration.

Technical Specifications for Taizhou Shouzhen Machineryco., Ltd Diffusion Vacuum Pump Ktn/kn
Pumping capacity3100 L/s to 110000 L/s
Ultimate vacuumLess than 10^-6 Pa
Oil back-streaming rate (standard oil)1×10^-3 mg/cm²·min
Oil back-streaming rate (275 silicon oil)1×10^-4 mg/cm²·min
Heating methodInternal heating with replaceable rods
Cooling requirementNo external water-cooled baffle needed
Construction materialStretched stainless steel housing
Typical operating pressure range10^-4 Pa to 10^-5 Pa
Standard oil compatibilityMineral-based diffusion pump oil, 275 silicon oil
Typical mounting orientationVertical, with base flange connection
About Taizhou Shouzhen Machineryco., Ltd - Vacuum Pump Supplier in China

Taizhou Shouzhen Machineryco., Ltd is a manufacturer based in Wenling, Zhejiang, with a physical address registered in Taiping Town. The company specializes in vacuum pump systems and has been listed as a harbor-tier supplier, indicating verified business registration and factory location. The listing does not confirm years in operation, export volume, or client names, and no certifications such as ISO or CE are referenced.

The supplier responds to inquiries with zero recorded response rate and no average response time, suggesting limited or delayed communication channels. Product descriptions are technical but lack detailed production capacity, workforce size, or quality control procedures. Buyers should request direct video verification of the workshop and request test reports for individual units prior to bulk orders.

Business TypeSupplier
Year EstablishedRecently Joined
EmployeesContact Supplier
Annual RevenueContact Supplier
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Major MarketsGlobal
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Frequently Asked Questions About Diffusion Vacuum Pump Ktn/kn from Taizhou Shouzhen Machineryco., Ltd
The back-streaming rate with 275 silicon oil is 1×10^-4 mg/cm²·min, which is ten times lower than with standard mineral oil. This lower rate reduces contamination in sensitive processes like thin-film deposition. Buyers should request a gas chromatography report for oil vapor residue if used in semiconductor or optical applications.

Sourcing Diffusion Vacuum Pump Ktn/kn from Taizhou Shouzhen Machineryco., Ltd - China Import Guide

Before placing an order, verify the pump’s exact model variant (KTN or KN), the type of heating rods installed, and the oil type used in testing. Request a factory test report showing the ultimate vacuum achieved and oil back-streaming measurement under load. Confirm that the unit has been pressure-tested and that all electrical components are rated for your local voltage and frequency. Do not rely on generic product images alone.

Lead time for this pump is typically 4 to 6 weeks after order confirmation, but this is not guaranteed without written agreement. Incoterms are usually FOB Shanghai or Ningbo, and payment is commonly via T/T 30% deposit and 70% before shipment. Buyers must confirm the container type (dry or open-top), crating method, and whether lifting eyes are included. Export documentation should include a packing list, commercial invoice, and certificate of origin.

On arrival, inspect the pump for shipping damage, especially to the flange and oil ports. Verify the oil level and check for signs of leakage or contamination. Perform a dry vacuum test using a calibrated gauge before connecting to your system. Request a user manual in English and confirm that the alarm sensors (oil and water temperature) are functional. Retain the original packaging for potential returns or warranty claims.

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⚓ HarborIndustrial & Minerals
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Trust Score
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Buy Diffusion Vacuum Pump Ktn in Bulk — Verified Supplier in China

When sourcing Diffusion Vacuum Pump Ktn/Kn for your business, securing the right balance of quality and cost is essential. Taizhou Shouzhen Machineryco., Ltd, a verified supplier based in China, offers this product for international export. By purchasing directly from the manufacturer or authorized exporter, buyers can negotiate favorable FOB prices starting at $500/Bags and manage bulk orders with a minimum order quantity (MOQ) of 1 Bags. This product is a staple in the Industrial Pumps sector with strong demand from importing countries worldwide.

Diffusion Vacuum Pump Ktn Specifications, Trade Terms & Pricing

Importing Diffusion Vacuum Pump Ktn requires careful attention to shipping logistics, customs compliance, and secure payment terms. Taizhou Shouzhen Machineryco., Ltd offers flexible shipping options such as Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Common payment methods for international B2B transactions include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P). All transactions and RFQs are facilitated through EximNext, a leading import export marketplace designed to make cross-border trade secure and efficient.

About Taizhou Shouzhen Machineryco., Ltd — Supplier in China

Finding trustworthy partners is the foundation of successful importing. The supplier of this Diffusion Vacuum Pump Ktn has been verified on our platform. Whether you are a distributor, wholesaler, or procurement manager, you can request a free quotation, ask for product samples, and finalize your bulk purchase with confidence. EximNext hosts thousands of verified manufacturers and exporters across 200+ countries. Explore similar products in the Industrial Pumps category and connect with top-tier exporters on our comprehensive online B2B marketplace. Start your sourcing journey today.

Import Diffusion Vacuum Pump Ktn — Shipping, Logistics & Customs

Importing Diffusion Vacuum Pump Ktn requires careful attention to shipping logistics, customs compliance, and secure payment terms. Common shipping options include Full Container Load (FCL) or Less than Container Load (LCL) via sea freight. Buyers should verify import duties in their destination country. Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), and Documents against Payment (D/P).

Frequently Asked Questions About Diffusion Vacuum Pump Ktn

What is the wholesale price of Diffusion Vacuum Pump Ktn/Kn?

The current listed wholesale price for Diffusion Vacuum Pump Ktn/Kn from Taizhou Shouzhen Machineryco., Ltd is $500/Bags on FOB terms from China. Prices may vary depending on order volume, packaging, and destination. For the most accurate bulk quote, send a direct RFQ to Taizhou Shouzhen Machineryco., Ltd through EximNext.

What is the Minimum Order Quantity (MOQ) for Diffusion Vacuum Pump Ktn?

The supplier, Taizhou Shouzhen Machineryco., Ltd, has set a Minimum Order Quantity (MOQ) of 1 Bags for Diffusion Vacuum Pump Ktn. For sample requests or smaller trial orders, contact the supplier directly through our platform's inquiry system.

What is the HS Code for Diffusion Vacuum Pump Ktn/Kn?

The HS Code classification for Diffusion Vacuum Pump Ktn/Kn depends on the specific grade and form. Contact Taizhou Shouzhen Machineryco., Ltd through EximNext for the exact HS Code and customs documentation required for your destination country.

How can I import Diffusion Vacuum Pump Ktn from China?

To import Diffusion Vacuum Pump Ktn from China, negotiate shipping terms (FOB, CIF, or EXW) directly with Taizhou Shouzhen Machineryco., Ltd. Ensure you have the necessary import licenses for Industrial Pumps products in your destination country.

Is Taizhou Shouzhen Machineryco., Ltd a verified supplier?

Yes, Taizhou Shouzhen Machineryco., Ltd is a verified supplier on EximNext. You can view their complete company profile, business registration details, certifications, and export history before placing a bulk order.

What are the key specifications of Diffusion Vacuum Pump Ktn/Kn?

For a complete technical data sheet or Certificate of Analysis (COA), send an inquiry directly to Taizhou Shouzhen Machineryco., Ltd through EximNext.

What packaging options are available for bulk orders of Diffusion Vacuum Pump Ktn?

Taizhou Shouzhen Machineryco., Ltd offers Diffusion Vacuum Pump Ktn with standard export packaging. Custom packaging, private labeling, and OEM/ODM options may also be available for large wholesale orders.

Which countries import Diffusion Vacuum Pump Ktn the most?

Diffusion Vacuum Pump Ktn is actively imported by buyers worldwide. Request a destination-specific CIF or CFR quote from Taizhou Shouzhen Machineryco., Ltd through our platform.

What certifications does this Diffusion Vacuum Pump Ktn supplier hold?

Taizhou Shouzhen Machineryco., Ltd maintains international quality certifications. These ensure that the Diffusion Vacuum Pump Ktn meets international quality, safety, and regulatory standards required for cross-border trade.

How do I place a bulk order for Diffusion Vacuum Pump Ktn/Kn on EximNext?

Click "Request Quotation" on this product page, specify your required quantity, preferred shipping terms, and destination country. Taizhou Shouzhen Machineryco., Ltd will respond with a detailed wholesale quote including FOB pricing, lead time, and payment options.

What payment methods are accepted?

Common payment methods include Letter of Credit (L/C), Telegraphic Transfer (T/T), Documents against Payment (D/P), and Escrow services. Confirm accepted terms directly with Taizhou Shouzhen Machineryco., Ltd.

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