Serving the Semiconductor Industry since 1999


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Universal Microsystems
High precision, restrictive flow orifices for
gas flow control
Click to email <FONT color=#9900FF face=arial size=2>E-mail Us
Sales@flowrestrictor.com

Credit Card or PayPal orders
Vanderhulst Associates, Inc.
3300 Victor Court
Santa Clara, CA 95054
Sales@flowrestrictor.com
408-727-1313
Purchase orders in CA
Ewald Associates
48531 Warm Springs Blvd. #415
Fremont CA 94539
beatriz@ewaldonline.com
510-490-3900
Purchase orders outside CA
Banner Industries
One Industrial Drive
Danvers, MA 01923
978-777-0080
 
  • We stock orifices with diameters from 0.0005" to 0.075"
  • SS orifices for diameters >0.030" designated by Fxx where xx is the diameter in 0.001" units
  • Sapphire orifices for diameters between 0.003" and 0.030" with either a beveled or flat inlet
  • Si orifices with diameters between 0.0005" and 0.0100"   
  • See our standard orifices

    Available Bodies and Prices
    VCR Unions

    1/4" M/M w Embossed part# & serial ID
    Info ------ Brochure

    1/4" M/M w Embossed orifice ID
    Info ----- Brochure

    1/4" M/F or F/M w Embossed part#
    Info

    1/8" M/M w Embossed Orifice ID
    info ----- Brochure

    1/4" F/F w Embossed Orifice ID
    Info ---- Brochure




    1/4" tube 1.70" or 1.20" length
    w Embossed Orifice ID
  • Use any orifice with compression fittings
  • SS and sapphire orifices for welding

    TubeInformation



  • 1 1/8" Surface mount Sandwich
    1/4" thickness.
    Embossed Orifice ID & serial #

    Information

    Cut-off filters. Point-of-use 99.9999999%, filtration with built in restrictor. Limit overflow to specified value.
    Information-Cut-off Filter For additional filter information contact TEM Filter Co.
    www.temfilter,com

    Also, Bare Orifices in SS bushing
    1/8" dia x 0.060"
    3/16" dia x 0.060"
    3/16" dia x 1/8"

    Also available PCTFE Gaskets
               

    Notes    
       
       
       
    > Pricing requires CC, pre-paid, or COD
    > M/F and F/F are welded w He leak check 10-9 atm-cm/sec
    > 7 Ra surface finish
    > Restrictors ship 5.0 % flow specification
    > Calibration accuracy 1% @>100 sccm
    > Calibration accuracy from Primary Standards




    Universal Microsystems