Home
What's in Stock
Applications
Orifice Flow
Specifications
Schematics
Advantages of Precision Flow Orifices
Serving the Semiconductor Industry since 1999
Download a
PowerPoint Presentation
regarding the company's products and technology
Universal Microsystems
High precision, restrictive flow orifices for
gas flow control
Click to email
Sales@flowrestrictor.com
Credit Card or PayPal orders
Vanderhulst Associates, Inc.
3300 Victor Court
Santa Clara, CA 95054
Sales@flowrestrictor.com
408-727-1313
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#
& w serial ID
Info
1/8" M/M 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
flow range available vs orifice diameter
Verify MFM with insertable, reusable flow restrictor gasket
Gasket Information
Notes
> 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