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Welch Chemstar 1400N 2-Stage Laboratory Vacuum Pump Angled Right Front View

Welch ChemStar 1400N 2-Stage Laboratory Vacuum Pump

by Across International
$4,542.15

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FREE SHIPPING: Australia wide — Yes, even remote areas.

Processing Time: 1 - 3 business days.

Delivery Time: Up to 7 business days for metro areas.

Up to 7 - 14 business days for all other areas.

Return Policy: 30 Day Returns.

Need help? Call us on 1300 812 450

Free Shipping
30 Day Returns
Reliable Warranty
Premium Product
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Welch Chemstar 1400N Vacuum Pump

Superior Chemical Resistance for Harsh Laboratory Environments

The Welch ChemStar 1400N is a belt-driven rotary vane vacuum pump specifically engineered to tolerate harsh chemical contamination in demanding laboratory applications. This rugged system features a PTFE-coated oil case, stainless steel valves, and a nitrogen bubbler feature designed for laboratories with nitrogen supply capabilities. The PTFE-lined oil case provides exceptional corrosion resistance, ensuring cleaner oil and preventing polymerized contaminants from binding to interior surfaces—a critical advantage when initiators bypass traps and react with hydrocarbon oil. The nitrogen purge system allows users to blow nitrogen through the oil case while processing extremely corrosive gases, effectively cooling and degassing the oil while minimizing chemical reactivity. Combined with fluorocarbon gaskets, superior chemical-resistant seals, and Gold Oil synthetic lubricant, the ChemStar system delivers unmatched durability and contamination management for processes with unclean emissions.

Versatile Performance with World-Renowned Reliability

Known globally for their ruggedness, Welch ChemStar vacuum pumps feature large oil reservoirs that effectively dilute contaminants, while low pump rotational speed reduces friction and wear, minimizing reservoir temperature to lessen chemical reactivity. The 1400N delivers excellent ultimate pressure performance of 1x10⁻⁴ torr with a pumping speed displacement of 0.9 CFM, making it ideal for diverse applications including vacuum furnace evacuation, backing turbomolecular and diffusion pumps, rotary evaporation, refrigeration system evacuation, epoxy degassing, vacuum sterilization, backing mass spectrometers, freeze drying, vacuum centrifugal applications, vacuum distillation, and space research. This durable vacuum pump offers superior vapor handling capability, combining chemical resistance with reliable performance for demanding laboratory vacuum processes requiring both contamination tolerance and consistent operation.

Features:

  • Reliable Protection: Covered by a 1-Year Warranty for peace of mind.
  • Extended Service Life: Low rotation speed of 580 rpm reduces friction and wear for longer operational lifespan.
  • Corrosion-Resistant Construction: Vital pump components engineered to withstand harsh chemical contamination.
  • Large Oil Reservoir: 0.6 liter (0.62 quart) capacity effectively dilutes contaminants and maintains lubrication.
  • Excellent Ultimate Vacuum: Achieves 0.1 micron (1x10⁻⁴ torr) ultimate vacuum pressure for demanding applications.
  • Efficient Pumping Performance: 0.9 CFM displacement rate ideal for rotary evaporation and distillation.
  • Adjustable Gas Ballast: Variable gas ballast system for optimized vapor handling and condensable gas processing.
  • Universal Power Compatibility: 220-240V 50/60Hz single phase operation (1/3 HP, 250 watts).
  • Standard Vacuum Connections: NW16/KF16 threaded intake and exhaust with 7/16 inch intake ID.
  • Compact Footprint: Space-efficient design at 450 x 230 x 320 mm for benchtop installation.
  • Safety Certified: CSA compliance ensures adherence to North American safety standards.

 

 

Need Help? Call 1300 812 450

Specifications

 

 

Need Help? Call 1300 812 450

Description

Welch Chemstar 1400N Vacuum Pump

Superior Chemical Resistance for Harsh Laboratory Environments

The Welch ChemStar 1400N is a belt-driven rotary vane vacuum pump specifically engineered to tolerate harsh chemical contamination in demanding laboratory applications. This rugged system features a PTFE-coated oil case, stainless steel valves, and a nitrogen bubbler feature designed for laboratories with nitrogen supply capabilities. The PTFE-lined oil case provides exceptional corrosion resistance, ensuring cleaner oil and preventing polymerized contaminants from binding to interior surfaces—a critical advantage when initiators bypass traps and react with hydrocarbon oil. The nitrogen purge system allows users to blow nitrogen through the oil case while processing extremely corrosive gases, effectively cooling and degassing the oil while minimizing chemical reactivity. Combined with fluorocarbon gaskets, superior chemical-resistant seals, and Gold Oil synthetic lubricant, the ChemStar system delivers unmatched durability and contamination management for processes with unclean emissions.

Versatile Performance with World-Renowned Reliability

Known globally for their ruggedness, Welch ChemStar vacuum pumps feature large oil reservoirs that effectively dilute contaminants, while low pump rotational speed reduces friction and wear, minimizing reservoir temperature to lessen chemical reactivity. The 1400N delivers excellent ultimate pressure performance of 1x10⁻⁴ torr with a pumping speed displacement of 0.9 CFM, making it ideal for diverse applications including vacuum furnace evacuation, backing turbomolecular and diffusion pumps, rotary evaporation, refrigeration system evacuation, epoxy degassing, vacuum sterilization, backing mass spectrometers, freeze drying, vacuum centrifugal applications, vacuum distillation, and space research. This durable vacuum pump offers superior vapor handling capability, combining chemical resistance with reliable performance for demanding laboratory vacuum processes requiring both contamination tolerance and consistent operation.

Features:

  • Reliable Protection: Covered by a 1-Year Warranty for peace of mind.
  • Extended Service Life: Low rotation speed of 580 rpm reduces friction and wear for longer operational lifespan.
  • Corrosion-Resistant Construction: Vital pump components engineered to withstand harsh chemical contamination.
  • Large Oil Reservoir: 0.6 liter (0.62 quart) capacity effectively dilutes contaminants and maintains lubrication.
  • Excellent Ultimate Vacuum: Achieves 0.1 micron (1x10⁻⁴ torr) ultimate vacuum pressure for demanding applications.
  • Efficient Pumping Performance: 0.9 CFM displacement rate ideal for rotary evaporation and distillation.
  • Adjustable Gas Ballast: Variable gas ballast system for optimized vapor handling and condensable gas processing.
  • Universal Power Compatibility: 220-240V 50/60Hz single phase operation (1/3 HP, 250 watts).
  • Standard Vacuum Connections: NW16/KF16 threaded intake and exhaust with 7/16 inch intake ID.
  • Compact Footprint: Space-efficient design at 450 x 230 x 320 mm for benchtop installation.
  • Safety Certified: CSA compliance ensures adherence to North American safety standards.

 

 

Need Help? Call 1300 812 450

Specifications

 

 

Need Help? Call 1300 812 450

Shipping

Free Shipping Australia Wide:
We offer free shipping for Across International products Australia wide.

Shipping and Processing:
- We offer free shipping on all Across International products.
- Please allow 1-3 business days for order processing.
- If you choose any factory fitted options for your equipment, please allow an additional 1-2 business days for fitting.
- Please allow up to 7 business days for delivery to metro areas.
- For all other locations, please allow up to 14 business days for delivery.

Delivery: 

All Across International products purchased from Lab Devices Australia are delivered using standard shipping. Lab Devices Australia reserves the right to request written documentation confirming shipping address if necessary. 

"We advise customers to keep their product packaging in case a return or warranty repair is needed. Original packaging is specifically designed to protect the product during shipping and helps minimize damage in transit."

Missing or Lost Components Policy:

To ensure your order is complete and ready to use, we kindly ask you to inspect all crates and boxes upon arrival.

  • Inspection Period: You have 10 calendar days from the date of delivery to open and thoroughly inspect your shipment for all components.
  • Reporting Missing Items: If you discover any missing pieces during this 10-day inspection period, please contact us immediately on 1300 812 450.

We are happy to resolve any issues quickly! However, please note that Lab Devices Australia cannot be held responsible for missing components reported after this 10-calendar-day inspection period has passed.

Back Orders:

Some products may occasionally be out of stock. If your selected item is on back order, we'll contact you before processing your order with an estimated dispatch timeframe. At that point, you can choose whether to proceed or cancel the order. 

Cancellation Policy:

Orders can only be cancelled if the product has not yet left our warehouse. If the product is already in transit at the time of your cancellation request, our standard return policy applies. This requires the product to be returned un-opened, with return shipping costs covered by the customer.

Need Help? Call 1300 812 450

Returns

Our Easy Return Policy (Unopened Products)

We want you to be completely satisfied with your purchase. If you need to return an unopened product, please follow the guidelines below:

Unopened Returns Policy

  • 30-Day Window: We accept returns on unopened products for up to 30 days from the original date of purchase.
  • Condition Requirement: The product packaging must be completely unopened and in a clean, resalable condition. This means the original seal or external packaging must be intact.
  • Return Shipping: Unless the product is proven to be faulty or was damaged in transit, the customer is responsible for organizing and covering all return shipping costs.
  • Refund Processing: Once the returned item is received and inspected to confirm it is in its original, undamaged, and resalable condition, we will process your full refund.

Non-Returnable Items

To maintain product integrity and safety, we cannot accept returns in the following circumstances:

  • Opened Packaging: We cannot accept returns on products once the original packaging has been opened, unless the item is demonstrably damaged or faulty.
  • Expired Window: Returns requested more than 30 days after the date of purchase.
  • Custom Orders: Items that have undergone custom changes or modifications are non-returnable. Please be aware of this policy when placing orders for customized equipment.

For all return inquiries or questions, please contact our support team at: support@labdevicesaustralia.com.au or contact us on 1300 812 450.

Damaged Shipments: Ensuring a Smooth Resolution

We take great care in packaging your order, but if damage occurs during transit, we are here to help ensure a quick and smooth resolution.

If the packaging is clearly damaged upon delivery: We kindly ask you to refuse the package and immediately ask the driver to document the damage. Please call us right away at 1300 812 450 to report the refusal. Lab Devices Australia will then handle the claim with the carrier and arrange for a replacement shipment as soon as the inspection is complete.

If the damage is hidden (not visible on the outside): Please contact us at support@labdevicesaustralia.com.au or call 1300 812 450 within 5 days of receiving your shipment. To help us file a prompt claim, please be ready to provide clear photographs of both the damaged product and the internal and external packaging.

Important Note for All Damaged Shipments: For the carrier's inspection, it is essential that you keep the box, all packing materials, and the damaged items until the claim is fully resolved. Upon confirming transit damage, we will quickly arrange a return, refund, or replacement, with the shipping costs covered by the transit company. If the packaging is damaged but your product is perfectly fine, no further action will be needed from us.

Faulty Product

If the product is faulty, please contact support@labdevicesaustralia.com.au immediately so an arrangement can be made for a return/refund or return/replacement, under specified warranty conditions of the faulty product. The product must be repacked in its original packing.

Need Help? Call 1300 812 450

Warranty

Across International Australia Product Warranty Policy

We stand behind the quality and reliability of our products. Our warranty provides assurance against defects in materials and workmanship, in addition to your rights under Australian Consumer Law.

Standard Product Warranty

Our products are warranted to be free from defects in materials or workmanship for one year from the date of purchase (original invoice date).

  • Warranty Service: Within this period, Across International Australia will, at its sole discretion, replace any components that fail under normal use.
  • Cost Coverage: Such replacement or repair will be made at no charge to the customer for parts or standard shipping costs.
  • Extended Warranty: The SuperVac series vacuum pumps are covered by an extended two-year warranty.

Warranty Exclusions (What is Not Covered)

This warranty does not cover failures or damage resulting from:

  • Retain proof of purchase and product documentation
  • Abuse, misuse, unauthorized alteration, or repairs.
  • Accidental damage or improper maintenance.
  • Consumable Products: This includes, but is not limited to, items with limited service life such as grinding media, quartz and alumina tubes, crucibles, heating elements, and thermocouples.

Maintaining Your Warranty

To ensure your warranty remains valid:

  • Use equipment according to manufacturer specifications
  • Perform regular maintenance as outlined in product documentation
  • Operate equipment within specified environmental conditions (temperature, humidity)
  • Use only authorized service technicians for repairs
  • Retain proof of purchase and product documentation

Important Note on Australian Consumer Law (ACL)

Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure. The benefits provided by this warranty are in addition to other rights and remedies available to you under the law.

For warranty inquiries or to file a claim, please contact our support team with your original invoice details.

"We advise customers to keep their product packaging in case a return or warranty repair is needed. Original packaging is specifically designed to protect the product during shipping and helps minimize damage in transit."

Contact Lab Devices Australia:
Phone: 1300 812 450
Email: support@labdevicesaustralia.com.au

Authorized dealer of Across International in Australia

Why Buy From Us

At Lab Devices Australia, we’re more than just an online store — we’re a trusted partner for laboratories, clinics, universities, and research facilities across the country. Our carefully curated range of premium lab equipment and accessories is designed to meet the strict standards of modern scientific and medical environments. Whether you're outfitting a new facility or replacing critical instruments, you can count on us for high-quality, dependable products from respected brands.

We proudly offer transparent pricing, secure online ordering, and fast, Australia-wide delivery — even to remote areas. We understand the demands of professional labs, which is why we back every product with expert support and a commitment to customer satisfaction. You’ll also benefit from convenient GST invoicing, optional quotes for procurement workflows, and reliable after-sales assistance.

Lab Devices Australia combines the convenience of e-commerce with the care of a specialised supplier. With a focus on quality, safety, and service, we make it easier to get the equipment you need — when and where you need it. Experience the difference of a supplier that understands the real needs of Australian labs.

  • Free Shipping (on select products) Australia wide. 
  • Price Match Guarantee. Best prices online guaranteed.
  • 30 Day Returns. If you realize the product is not right for you or you chose the wrong product, just return it to us in a resaleable condition.
  • Great Service. We pride ourselves on the best service, anywhere.
  • Your Satisfaction Guaranteed. We handpick our products for quality, we know you'll love them. But if there is ever something wrong, we'll fix it.