Rotatable, 5/16"-24 threaded bolt holes.  These blanks are made by MDC, Varian and Huntington.  We cannot guarantee a specific manufacturer although we will make every effort to accommodate special requests.

BMI Surplus, Inc. has a huge inventory of used, new and pre-owned Vacuum Flanges and Fittings for sale.
We will work with you individually to find the perfect set up for your application.

Buy online or give us a call at 781-871-8868. We have experienced customer service representatives standing by ready to help you!

BMI Surplus, Inc. is a dealer in used and sometimes new Surplus Scientific and Industrial Equipment – we cater to clients in search of items to be used for specific applications.
We do not offer a guarantee as many of our items are purchased by professionals in need of parts and pieces.
You will find many of our items listed on our website as untested or as parts or repair units even though in they are in good used condition.

**Shipping, Handling and Freight fees are dependent on your location.
We will provide a freight quote to meet your individual needs and work with you if you prefer to use your own carrier.
We have 32 years of experience shipping sensitive scientific instruments and industrial equipment!

Don’t see what you are looking for? Use our orange search box on the top right hand corner of this page to customize your search..
***MPN F450000RT
***OEM MDC / Varian / Huntington
***SKU*** CM258

Rotatable, non threaded bolt holes. ; We have flanges made by MDC, Varian and Huntington.  We cannot guarantee a specific manufacturer although we will make every effort to accommodate special requests. 4.625″ Blank Conflat Flange – Rotatable
***MPN
***OEM MDC / Varian / Huntington
***SKU*** CM256

Non rotable, non threaded bolt holes. Our stock includes items made by MDC, Varian and Huntington. We will make every effort to accommodate special requests, but we cannot guarantee a specific manufacturer. 4.5″ Blank Conflat Flange
***MPN F450000
***OEM MDC / Varian / Huntington
***SKU*** CM254

3″ Nominal Spool Piece Adapter ISO 80 to ASA Style Flange
***MPN
***OEM Brand Unmarked
***SKU*** CM219

This UHV flange is .75″; thick.
.2.75″ Double Sided Conflat Flange
***MPN
***OEM
***SKU*** CM212

This UHV flange is 1/2″ thick.
2.75″ Double Sided Conflat Flange
***MPN
***OEM
***SKU*** CM211

2-3/4" Double Sided Conflat Flange w/ double 1/8" NPT radial port & flow straightener
.
***MPN
***OEM
***SKU*** CM197

2.75″ Double Sided Conflat Flange w/ single .125″ NPT radial port
.
***MPN
***OEM
***SKU*** CM195

2.75″ Conflat to .5″ Tubulated Ion Gauge
***MPN
***OEM
***SKU*** CM186

Non threaded bolt holes.
4.625″ Blank Conflat Flange
***MPN
***OEM
***SKU*** CM175

3.375″ Blank Conflat Flange
***MPN
***OEM
***SKU*** CM173

2.75 Blank Conflat Flange.
Solid non rotatable.

BMI Surplus, Inc. has a huge inventory of used, new and pre-owned Vacuum Flanges and Fittings for sale.
We will work with you individually to find the perfect set up for your application.

Buy online or give us a call at 781-871-8868. We have experienced customer service representatives standing by ready to help you!

BMI Surplus, Inc. is a dealer in used and sometimes new Surplus Scientific and Industrial Equipment – we cater to clients in search of items to be used for specific applications.
We do not offer a guarantee as many of our items are purchased by professionals in need of parts and pieces.
You will find many of our items listed on our website as untested or as parts or repair units even though they are in good used condition.
*Pricing on untested items is discounted at time of listing.

**Shipping, Handling and Freight fees are dependent on your location.
We will provide a freight quote to meet your individual needs and work with you if you prefer to use your own carrier.
We have 33 years of experience shipping sensitive scientific instruments and industrial equipment!

Don’t see what you are looking for? Use our orange search box on the top right hand corner of this page to customize your search.
***MPN
***OEM Multiple
***SKU*** CM172