Global Leader in Electronic Pressure & Flow Control

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Proportion-Air is a US-based manufacturer with a global reputation for quality and excellence in industrial automation. We seek to understand every customer’s application and build a product tailored to the specific process. We build our products to your specifications whether you need one device or thousands. Offering free application and technical support, we strive to quote within 6 hours of understanding your needs.

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<img width="200" height="200" src="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-DeltaAirlines.png" class="attachment-full size-full wp-post-image" alt="" srcset="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-DeltaAirlines.png 200w, https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-DeltaAirlines-150x150.png 150w" sizes="(max-width: 200px) 100vw, 200px" />

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<img width="200" height="200" src="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-GEAviation.png" class="attachment-full size-full wp-post-image" alt="" srcset="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-GEAviation.png 200w, https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-GEAviation-150x150.png 150w" sizes="(max-width: 200px) 100vw, 200px" />

<img width="200" height="200" src="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-AerodyneEngineering-1.png" class="attachment-full size-full wp-post-image" alt="" srcset="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-AerodyneEngineering-1.png 200w, https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-AerodyneEngineering-1-150x150.png 150w" sizes="(max-width: 200px) 100vw, 200px" />

<img width="200" height="200" src="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-Moog.png" class="attachment-full size-full wp-post-image" alt="" srcset="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-Moog.png 200w, https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-Moog-150x150.png 150w" sizes="(max-width: 200px) 100vw, 200px" />

<img width="200" height="200" src="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-EssexIndustries.png" class="attachment-full size-full wp-post-image" alt="" srcset="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-EssexIndustries.png 200w, https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-EssexIndustries-150x150.png 150w" sizes="(max-width: 200px) 100vw, 200px" />

<img width="200" height="200" src="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Rubber-Goodyear.png" class="attachment-full size-full wp-post-image" alt="" srcset="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Rubber-Goodyear.png 200w, https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Rubber-Goodyear-150x150.png 150w" sizes="(max-width: 200px) 100vw, 200px" />

<img width="200" height="200" src="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-HoneywellAerospace.png" class="attachment-full size-full wp-post-image" alt="" srcset="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-HoneywellAerospace.png 200w, https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-HoneywellAerospace-150x150.png 150w" sizes="(max-width: 200px) 100vw, 200px" />

<img width="200" height="200" src="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-SpaceX.png" class="attachment-full size-full wp-post-image" alt="Proportion-Air" srcset="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-SpaceX.png 200w, https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-SpaceX-150x150.png 150w" sizes="(max-width: 200px) 100vw, 200px" />

<img width="200" height="200" src="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Rubber-YokohamaTire.png" class="attachment-full size-full wp-post-image" alt="" srcset="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Rubber-YokohamaTire.png 200w, https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Rubber-YokohamaTire-150x150.png 150w" sizes="(max-width: 200px) 100vw, 200px" />

<img width="200" height="200" src="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Plastics-AccuMold.png" class="attachment-full size-full wp-post-image" alt="" srcset="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Plastics-AccuMold.png 200w, https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Plastics-AccuMold-150x150.png 150w" sizes="(max-width: 200px) 100vw, 200px" />

<img width="200" height="200" src="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-CurtisWright.png" class="attachment-full size-full wp-post-image" alt="" srcset="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-CurtisWright.png 200w, https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-CurtisWright-150x150.png 150w" sizes="(max-width: 200px) 100vw, 200px" />

<img width="200" height="200" src="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-Cobham.png" class="attachment-full size-full wp-post-image" alt="" srcset="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-Cobham.png 200w, https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-Cobham-150x150.png 150w" sizes="(max-width: 200px) 100vw, 200px" />

<img width="200" height="200" src="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-LordCorporation.png" class="attachment-full size-full wp-post-image" alt="" srcset="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-LordCorporation.png 200w, https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-LordCorporation-150x150.png 150w" sizes="(max-width: 200px) 100vw, 200px" />

<img width="200" height="200" src="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Rubber-ContinentalTire.png" class="attachment-full size-full wp-post-image" alt="" srcset="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Rubber-ContinentalTire.png 200w, https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Rubber-ContinentalTire-150x150.png 150w" sizes="(max-width: 200px) 100vw, 200px" />

<img width="200" height="200" src="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-Boeing.png" class="attachment-full size-full wp-post-image" alt="" srcset="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-Boeing.png 200w, https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-Boeing-150x150.png 150w" sizes="(max-width: 200px) 100vw, 200px" />

<img width="200" height="200" src="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Rubber-TitanTire.png" class="attachment-full size-full wp-post-image" alt="" srcset="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Rubber-TitanTire.png 200w, https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Rubber-TitanTire-150x150.png 150w" sizes="(max-width: 200px) 100vw, 200px" />

<img width="200" height="200" src="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Plastics-MicroPoise.png" class="attachment-full size-full wp-post-image" alt="" srcset="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Plastics-MicroPoise.png 200w, https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Plastics-MicroPoise-150x150.png 150w" sizes="(max-width: 200px) 100vw, 200px" />

<img width="200" height="200" src="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Plastics-GrowPlastics.png" class="attachment-full size-full wp-post-image" alt="" srcset="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Plastics-GrowPlastics.png 200w, https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Plastics-GrowPlastics-150x150.png 150w" sizes="(max-width: 200px) 100vw, 200px" />

<img width="200" height="200" src="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-ZodiacAerospace.png" class="attachment-full size-full wp-post-image" alt="" srcset="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-ZodiacAerospace.png 200w, https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Aerospace-ZodiacAerospace-150x150.png 150w" sizes="(max-width: 200px) 100vw, 200px" />

<img width="200" height="200" src="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Plastics-WLGore.png" class="attachment-full size-full wp-post-image" alt="" srcset="https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Plastics-WLGore.png 200w, https://3kzl2226iicu41yut63li0cr-wpengine.netdna-ssl.com/wp-content/uploads/2018/05/Plastics-WLGore-150x150.png 150w" sizes="(max-width: 200px) 100vw, 200px" />

Find Your Product

Select your product based on the first 3-5 digits of the part number. These can be numbers or letters. Products are listed in alphabetic order. The # symbol can represent any single character.

view all products

replacement quote

Downloads

Product Catalog

Part Configuration

Product Support Files

Pressure Control

FM Approved

Vacuum to 150 psi

GX Series

Vacuum to 1,000 psi

MM Series

Vacuum to 175 psi

MPV Series

Vacuum to 150 psi

QB2 | High Flow

Vacuum to 6,000+ psi

QB3 | High Flow

Vacuum to 150 psi

QB3H

Vacuum to 500 psi

QB4 | High Flow

Vacuum to 150 psi

QBX Series

Vacuum to 175 psi

QBS Series

Vacuum to 500 psi

QPV Series

Vacuum to 150 psi

SPV Series

Vacuum to 150 psi

FLOW Control

F-Series

Flow Transducer

FQPV2

Flow Control <1 SCFM

FQB3

Flow Control <30 SCFM

FQB2

Flow Control <250 SCFM

FCV

1″ Flow Control Valve

Home ultima modifica: 2017-05-02T16:48:38+00:00 da admin

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