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INDUSTRIAL PART REFERENCE

Proportion Air

Proportion Air QB4

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Reply in writing, usually within hours. Attach the label photo and quantity.

First reply in 0–4 hours2-year warranty on eligible productsReturns & claims route
Why is there no price on this page?Price, stock and lead time for this exact reference change with quantity, delivery destination and the supplier stock reviewed at that moment (US, Germany, Türkiye, Dubai), so a fixed list price would be misleading. Send the part number and quantity and you get a written quotation — first reply in 0–4 hours.

Delivering precision control at up to 200 SCFM, the compact QB4 electronic pressure regulator combines speed, accuracy, and rugged performance in a closed-loop design ideal for demanding industrial applications. With full vacuum to 150 PSI capability, it features

How Axiparts sources and quotes

Brand

Proportion Air

Manufacturer part number / MPN

QB4

Product type

Industrial component

PROCUREMENT NOTE

Accurate identification before quotation

The complete Proportion Air QB4 reference is used as the starting point for sourcing. Price, availability, lead time and application-specific compatibility are confirmed during quotation review.

2 manufacturer-verified details shown below.

TECHNICAL DATA AND EVIDENCE

Technical properties and reference data

PropertyValueEvidence
connection size1/2″ NPT (BSPP Available)Manufacturer verifiedChecked 2026-10-15
pressure rangeVacuum thru 150 PSI (10.3 Bar)Manufacturer verifiedChecked 2026-10-15
Technical information notice

Revisions and regional variants may exist. Send an RFQ with the exact part number and quantity for final confirmation.

Request technical confirmation →

RELATED PROPORTION AIR REFERENCES

More Proportion Air part-number records

PA607-RBB2-MFEE-060+DSY060QB2TBNICZP160MBG3DPA905MM1DFEE060QB1TFIE140/PSR-2

STOCK & WORLDWIDE DELIVERY

Warehouse stock review and door-to-door delivery

Stock for Proportion Air QB4 is reviewed against warehouse and supplier-side options (US, Germany, Türkiye, Dubai), with worldwide door-to-door delivery and export terms confirmed in the written quotation. See global operations for the full process.

REQUEST THIS EXACT REFERENCE

RFQ for Proportion Air QB4

Price, availability and lead time are confirmed only after the exact reference, requested quantity and delivery destination are reviewed. Axiparts is an independent industrial sourcing platform unless a written quotation states otherwise.

✓Initial response within 0–4 hours✓US & European stock/fulfillment review✓2-year warranty on qualifying quotations✓Exact-reference & hard-to-find sourcing
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Proportion Air QB4 FAQ

What is Proportion Air QB4?

Delivering precision control at up to 200 SCFM, the compact QB4 electronic pressure regulator combines speed, accuracy, and rugged performance in a closed-loop design ideal for demanding industrial applications. With full vacuum to 150 PSI capability, it features

What are the technical specifications of Proportion Air QB4?

connection size: 1/2″ NPT (BSPP Available); pressure range: Vacuum thru 150 PSI (10.3 Bar). The full manufacturer specification is confirmed during RFQ review.

How can I request a quote for Proportion Air QB4?

Submit the exact reference Proportion Air QB4 with quantity and destination country through the RFQ form on this page. Initial response arrives within 0-4 hours; price, availability and lead time are confirmed in a written quotation.