Confirm the exact configuration
Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.
Global industrial sourcing · Houston, Texas info@mropartsrfq.com
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Festo
153121
Push-in T-fitting QSTL-1/4-8
The Festo part number 153121 is a standard L-shaped industrial component featuring one supply line and two outlets with a 6.7 mm nominal width and an 18.1 mm tubing insertion depth. Utilizing a push-pull structural design with a coated screwed plug seal, this unit accommodates compressed air and liquid water across a temperature range of -10 °C to 80 °C with variable operating pressures up to 1.4 MPa. Each pack size contains 10 units weighing 25 g each, meeting ISO 14644-1 Class 4 cleanroom suitability and CRC 1 corrosion resistance. Submit the exact part number, quantity, and application requirements for a quote.
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Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.
- Manufacturer
- Festo
- Part number
- 153121
- Data verification
- Manufacturer evidence reviewed
For a faster response, include quantity, condition, and delivery destination.
Exact part-number verificationTechnical properties are matched to 153121.
Worldwide sourcingSupport for planned and urgent industrial requirements.
Manufacturer documentationA document is added when the reviewed source provides one.
Verified configuration
Technical Specifications
- Size
- Standard
- Nominal width
- 6.7 mm
- Tubing insertion depth
- 18.1 mm
- Type of seal on screwed plug
- Coating
- Mounting position
- Any
- Design
- L-shape, additional push-in connector, lengthwise
- Pack size
- 10
- Structural design
- Push-pull principle
- Operating pressure for entire temperature range
- -0.095 MPa...0.6 MPa | -0.95 bar...6 bar | -13.775 psi...87 psi
- Temperature-dependent operating pressure
- -0.095 MPa...1.4 MPa | -0.95 bar...14 bar | -13.775 psi...203 psi
- Information on operating pressure
- Water: max. 0.6 MPa at max. 50 °C
- Operating medium
- Compressed air as per ISO 8573-1:2010 [7:-:-] | Water (liquid, ice-free)
- Information on operating and pilot media
- Lubricated operation possible
- Corrosion resistance class (CRC)
- 1 - Low corrosion stress
- LABS (PWIS) conformity
- VDMA24364-B1/B2-L
- Cleanroom suitability, measured according to ISO 14644-14
- Class 4 according to ISO 14644-1
- Ambient temperature
- -10 °C...80 °C
- Product weight
- 25 g
- No. of outlets
- 2
- No. of supply lines
- 1
- Type of mounting
- External hexagon SW14
- Pneumatic connection 1
- External thread R1/4
- Pneumatic connection 2
- for pneumatic tubing outside diameter 8 mm
- Releasing ring color
- Blue
- Material of screwed plug
- Brass, nickel-plated
- Note on materials
- RoHS compliant
- Housing material
- PBT
- Releasing ring material
- POM
Engineering context
Identification and RFQ Guidance
What to include in your RFQ
Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.
Technical verification
Our sourcing response is prepared against Festo 153121. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.