Northstar L3666 Pump Edwards Freeze Vacuum Extra Dryer E2m28

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NORTHSTAR L3666

Product Attributes: brand=northstar, model=l3666, country/region of manufacture=united states, sku=5227876946425192, mpn=l3666, types=pump

NORTHSTAR L3666 Pump Description

Northstar L3666 Pump Edwards Freeze Vacuum Extra Dryer E2M28
Vacuum E2m28 Edwards L3666 Dryer

A heavy steel ring is welded to the end rim of the freeze dry machine chamber, it's exposed edge is sanded smooth, then covered with a thin coat of vacuum grease. A heavy duty rubber gasket is then capped over the ring. The electronic vacuum gauge measures atmospheric pressure within the vacuum system in microns normal atmospheric pressure is a approximately fifteen pounds per square inch, which equals 760, 000 microns.

Easily operated in home environment. 230 1 phase. But can be used for freeze drying meat, fruit, vegetables, flowers, taxidermy and pretty much anything. The sublimation process begins at 675 microns with the specimen chamber at 5 degrees f.

Extra vacuum pump is brand new, never use and still on pallet. Great for freeze dried survival food. Production model built by northern freeze dry manufacturing of pe lakes, Minnesota. The front edge of the gasket is also coated with vacuum grease.

Excellent condition, used for freeze drying flowers for weddings. To the left of the switches is a dial timer that activates the defrost cycle for the condenser temperatures of both condenser and specimen chamber are read on a led electronic digital gauge with a dual position switch. The specimen chamber and condenser each have their own refrigeration system, which allows temperature in the condenser to reach 55 degrees f or colder, while the specimen chamber is thermostatically controlled for a range of temperatures compatible with particular freeze dry processes. The main control switches serve power to the condenser refrigeration compressor, vacuum pump, and interior light.

The l 3666 derives its model number from its specimen chamber dimensions in diameter, 66 in length. Easy to transport, easily used at home. It passes from the ice crystal state to a vapor and then back into frost.

All control switches and gauges, including the specimen chamber thermostat and vacuum release lever, are clustered neatly at the front of the freeze dry machine, allowing operation of the machine from one position. The vacuum system must be absolutely leak proof and strongly built in order to maintain these vacuum levels. 9 percent of the air has been removed from the specimen and condenser chambers. A massive Plexiglas door, held by a sturdy hinge system, is then pressed against the gasket for a few seconds after the vacuum pump is turned on to seal the chamber.

The l 3666 is designed to draw down to 25 microns or less empty unit. Northstar has developed a door system that allows full view of the inside of the specimen chamber while at the same time ensures an airtight seal. However, in the case of the freeze dry machine, the moisture that originates in the specimen never takes the form of water. This same closure system of Plexiglas door against gasket is used on the condenser chamber door as well, but on a smaller scale.

At this pressure, more than 99.

NORTHSTAR L3666 Pump Specifications

Identifiers

  • brand: Northstar
  • model: L3666
  • sku: 5227876946425192
  • mpn: L3666

Specifics

  • country/region of manufacture: United States
  • types: Pump

Shipping

  • type: NotSpecified
  • to: Worldwide

27 Ratings (98.5%)

  1. Great buyer, fast payment and easy to do business with. Thanks! (04-19-15)
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  4. Great communication. A pleasure to do business with. (05-12-15)
  5. Thank you A+ buyer (06-04-15)

Returns

  • policy: no returns

General

  • availability: In Stock
  • condition: New
  • currency: USD
  • category: Business & Industrial > Lab Equipment > Heating Cooling > Cryogenics

Payment

  • PayPal

Offer

  • # bids: 0
  • buy it now: true
  • quantity: 1
  • min. bid: $7, 000.00
  • E2M28 price: $7, 000.00 USD
  • best offer: false
  • Started: July 27, 2015, 6:03 am
  • price: $9, 100.00 USD
  • # Sold: 0