You are about to set up an account. For this process, you will be asked to provide personal information about yourself and possibly your organization. We invite you to read our Privacy Policy concerning any use of this information that you provide to us.

Benefits of setting up an Account:
  • Allows personalized content such as Favorite Items to be viewed.
  • Conveniently stores information to be used at checkout, such as billing and shipping addresses (Payment information is never stored on the website).
  • Get customized pricing for your organization (when available).

Join Our Mailing List!

Preferred Email Format

* Required

Advanced Search

Pyrex® Cylindrical Separatory Funnels with PTFE Stopcock

By Corning
Pyrex® Cylindrical Separatory Funnels with PTFE Stopcock

These Pyrex® cylindrical separatory funnels are graduated to show approximate capacity, have a micro-finish PS PTFE stopcock and a strong, lightweight ST hollow glass stopper. The PTFE plug fits into the micro-finish barrel. The plug also reduces freezing problems and grease contamination.

For replacement glass ST stoppers, see Cat.No. 1-7650; for PTFE stopcock plugs, see Cat.No. 1-7681.

Cat.No. Brand Name Material Capac. Stopper Number, ST Stopcock Size Stem Length Stem Diam Length CS    
1-6383-125 Pyrex® Separatory funnel Borosilicate glass 125mL 22 2 65mm 10mm 315mm $1162.01
Add To Favorites
1-6383-250 Pyrex® Separatory funnel Borosilicate glass 250mL 22 2 65mm 10mm 340mm $1303.06
Add To Favorites
1-6383-500 Pyrex® Separatory funnel Borosilicate glass 500mL 27 4 65mm 10mm 390mm $1621.42
Add To Favorites
1-6383-1L Pyrex® Separatory funnel Borosilicate glass 1000mL 27 4 65mm 10mm 493mm $1028.83
Add To Favorites

The following items have been added to your cart:

Choose a favorite list for this item:

Catalog Number Description Price

Request Literature

Please fill out the form below if you want to request literature from Krackeler Scientific.


Quick Order

* Required

New Year Price Updates

We are currently working diligently to update our website pricing information for the New Year. If you place an order, you will be acknowledged with any corrected pricing. If you'd like the most current information sooner, please don't hesitate to drop us an email or give us a call and we'd be happy to assist. Thank you for your patience while we are updating.


Play Video

To Request a Quote

  1. Search or Browse for items and add to them to your Shopping Cart.
  2. Click the "Request Quote" button at the bottom of the Shopping Cart page.
  3. Fill out required fields.
  4. Optionally you can convert to standard checkout mode by choosing a payment type.
  5. Click "Request Quote" at the bottom of the page.

You will be contacted with a quote.

To Order From a Quote

  1. Register and login to the website.
  2. Receive a quote from your sales representative or customer service.
  3. Have your copy of the quote in hand.
  4. Visit our quote module to search for your quote.
Back to Top