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Red one-way flow control valve with push-in fitting

Festo

Festo GRLSA-1/8-QS-6 540661 one-way flow control valve

SKU CH-XA46-F5JR4 MPN GRLSA-1/8-QS-6

One-way flow control valve regulates pneumatic airflow in a single direction

  • Labor warranty1 Year
  • Product typeTest Equipment
  • Color and finishRed
  • Number of items1 pack
  • Sold asBox
  • Parts warranty3 Years
  • Precise airflow regulation with one-way flow control design
  • Instant push-in connection using 6 mm quick-connect fitting
  • Compact G 1/8 thread fits tight pneumatic installations
  • Durable Festo engineering ensures reliable long-term operation
  • Ready-to-install valve supplied individually in protective box

One-way flow control valve

The Festo GRLSA-1/8-QS-6 is a pneumatic component that regulates airflow in a single direction. It uses a push-in connection for 6 mm tubing and a G 1/8 thread for mounting. The valve is supplied new in a single pack.

Suited for pneumatic circuit builders

Engineers assembling compressed-air systems that need adjustable exhaust throttling will find this valve matches the required port size. Installations requiring bidirectional flow control or a different thread standard must select an alternative component.

G 1/8 thread with 6 mm push-in fitting

This specific connection combination determines whether the valve integrates directly into the existing tubing and manifold layout. Verify both the thread size and the tube diameter before ordering.

How it compares

Measured against everything we stock in Electrical Trade Tools & Kits, at today’s prices. Recalculated every night.

Price $20.99
Cheaper than about 90% of the 5,006 comparable items (median $95.99).

Specifications

Product
Brand nameFESTO
Model nameGRLSA-1/8-QS-6
Product typeTest Equipment
Color and finishRed
In the box
Number of items1 pack

Questions about this item

How do I install the GRLSA-1/8-QS-6 one-way flow control valve, and which step is often missed?

Connect the valve inline using the QS-6 push-in fittings, ensuring tubing is fully seated; the step often missed is verifying the flow direction arrow matches the intended exhaust path.

What maintenance or replacement will the GRLSA-1/8-QS-6 valve need over time?

Inspect the valve periodically for debris or seal wear; replace the unit if adjustment becomes inconsistent or if external leakage appears at the push-in connections.

What limit appears first on the GRLSA-1/8-QS-6 during sustained operation?

The adjustment resolution becomes the practical limit; fine speed control degrades if contamination builds up inside the needle mechanism during continuous cycling.

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