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Festo QST1 Series

17 variants · Festo

About the Festo QST1 Series

The Festo QST1 Series series groups 17 related part numbers, each listed with full specifications, a datasheet where available, and an RFQ option. Every variant in the range shares a common material of Polybutylene Terephthalate (PBT), operating pressure of -14 to 87 PSI (-1 to 6 bar) and package of Bulk. Variants differ by connection method, mounting and product type, so you can match the exact connection method your application requires using the selection guide below. All listed Festo QST1 Series part numbers are active and orderable.

Select a variant by

Connection method
Push-In · Push-In to Threaded
Mounting
Chassis Mount · Free Hanging (In-Line)
Product type
T-Adapter · T-Fitting
Connector size
R1/2 · R1/4 · R1/8

Shared specifications

Material
Polybutylene Terephthalate (PBT)
Operating pressure
-14 to 87 PSI (-1 to 6 bar)
Package
Bulk
Temp operating max
80 °C
Temp operating min
-10 °C

Variant comparison

ParameterQST-16-12QST-1/4-12QST-1/2-12QST-10QST-12QST-1/8-10
Connection methodPush-InPush-In to ThreadedPush-In to ThreadedPush-InPush-InPush-In to Threaded
MountingChassis MountFree Hanging (In-Line)Free Hanging (In-Line)Chassis MountChassis MountFree Hanging (In-Line)
Product typeT-AdapterT-FittingT-FittingT-FittingT-FittingT-Fitting
Connector sizeR1/4R1/2R1/8

Request a quote on any Festo QST1 Series part number and we confirm price, availability and lead time per line — including end-of-life and allocation-constrained variants.

All variants