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Festo QB38 Series

11 variants · Festo

About the Festo QB38 Series

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.

Select a variant by

Connection method
Push-In · Push-In to Threaded
Material
Nickel Plated Brass · Polybutylene Terephthalate (PBT)
Mounting
Chassis Mount · Free Hanging (In-Line)
Product type
Adapter · Straight Fitting

Shared specifications

Operating pressure
-14 to 145 PSI (-1 to 10 bar)
Package
Bulk
Temp operating max
60 °C
Temp operating min
0 °C

Variant comparison

ParameterQB-3/8T-5/16-UQB-3/8T-UQB-3/8-1/2-UQB-3/8-1/2-U-MQB-3/8-3/8-UQB-3/8-3/8-U-M
Connection methodPush-InPush-InPush-In to ThreadedPush-In to ThreadedPush-In to ThreadedPush-In to Threaded
MaterialPolybutylene Terephthalate (PBT)Polybutylene Terephthalate (PBT)Nickel Plated BrassPolybutylene Terephthalate (PBT)Nickel Plated BrassPolybutylene Terephthalate (PBT)
MountingFree Hanging (In-Line)Chassis MountFree Hanging (In-Line)Free Hanging (In-Line)Free Hanging (In-Line)Free Hanging (In-Line)
Product typeAdapterStraight FittingStraight FittingStraight FittingStraight FittingStraight 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.

All variants