
QB-3/8-1/2-U
Festo
11 variants · Festo
The Festo QB38 Series series groups 11 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common operating pressure of -14 to 145 PSI (-1 to 10 bar), package of Bulk and temp operating max of 60 °C. Variants differ by connection method, material and mounting, so you can match the exact connection method your application requires using the selection guide below. All listed Festo QB38 Series part numbers are active and orderable.
| Parameter | QB-3/8T-5/16-U | QB-3/8T-U | QB-3/8-1/2-U | QB-3/8-1/2-U-M | QB-3/8-3/8-U | QB-3/8-3/8-U-M |
|---|---|---|---|---|---|---|
| Connection method | Push-In | Push-In | Push-In to Threaded | Push-In to Threaded | Push-In to Threaded | Push-In to Threaded |
| Material | Polybutylene Terephthalate (PBT) | Polybutylene Terephthalate (PBT) | Nickel Plated Brass | Polybutylene Terephthalate (PBT) | Nickel Plated Brass | Polybutylene Terephthalate (PBT) |
| Mounting | Free Hanging (In-Line) | Chassis Mount | Free Hanging (In-Line) | Free Hanging (In-Line) | Free Hanging (In-Line) | Free Hanging (In-Line) |
| Product type | Adapter | Straight Fitting | Straight Fitting | Straight Fitting | Straight Fitting | Straight Fitting |
Request a quote on any Festo QB38 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

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