Festo QS-1/4-8 153005 Push‑In Fitting R1/4 Male to 8mm Tube

Festo QS-1/4-8 push-in fitting connects R1/4 male thread to 8 mm pneumatic tubing. Straight design, nickel‑plated brass housing, stainless steel tube retaining claw. Blue release ring for tool‑free assembly/disassembly. Wide operating pressure –0.95 bar to 14 bar, temperature range –10 °C to +80 °C. Suitable for industrial compressed air and vacuum systems, water applications as per manufacturer’s declaration.

Applications:

• Pneumatic tubing connections in factory automation

• Valve manifold and cylinder port connections

• Compressed air distribution panels

• Vacuum systems and water pipelines (with manufacturer declaration)

Core Specifications:

• Pneumatic connection, port 1: R1/4 male thread (BSPT)

• Pneumatic connection, port 2: For tubing OD 8 mm (push‑in)

• Nominal size: 7 mm

• Temperature‑dependent operating pressure: –0.95 bar … 14 bar

• Ambient temperature: –10 °C … +80 °C

• Design: Straight / inline

• Housing material: Brass, nickel‑plated

• Release ring material: POM (blue)

• Tube seal material: NBR

• Tube retaining claw material: High‑alloy stainless steel

Advanced Specifications:

• Operating pressure (entire temperature range): –0.95 bar … 6 bar

• Nominal tightening torque: 9 Nm ± 20 %

• Mounting position: any

• Packing unit: 10 pcs

• Product weight: approx. 14 g

• Logistics dimensions (L × W × H): 27 mm × 16 mm × 16 mm

• Thread seal: Coating (pre‑applied) on screw‑in stud

• Corrosion resistance class (CRC): 1 – low corrosion stress

• LABS (PWIS) conformity: VDMA24364‑B1/B2‑L

• Operating medium: Compressed air (ISO 8573‑1:2010 [7:‑:‑]), vacuum, water (as per manufacturer declaration)

• Lubricated operation: possible (continued lubrication required)

• RoHS compliant

System Integration:

• Belongs to Festo QS series of push‑in fittings.

• Compatible with Festo 8 mm OD pneumatic tubing (PUN, PAN, PEN series).

• Direct panel mounting via through‑hole using accessory (spanner size AF 14).

• Replaces model QS‑B‑1/4‑8‑20.

Compliance:
Refer to manufacturer official documentation for detailed certification and compliance information (cULus Recognized, RoHS).

Related Products:

• QS‑1/4‑8‑50 (130678) – QS‑1/4‑8 with increased corrosion protection

• QS‑8‑50 (130688) – 8 mm straight coupling

• NPQP‑D‑Q8‑E‑FD‑P10 (133093) – QS push‑in connector, 8 mm to 8 mm, PBT housing

• NPQP‑T‑R14‑Q8‑FD‑P10 (133076) – T‑push‑in fitting G1/8 to 8 mm