We take cryptocurrency — so the coins you hold can buy real hardware.Pay in crypto, spend it on real hardware. Free insured shipping worldwide over $399. Plain, unbranded boxes, sent from Germany.Free insured shipping over $399. Your rate is locked for 30 minutes once checkout opens.Rate locked 30 minutes. Every item sealed, serial-checked and covered by a 24-month warranty.Sealed, 24-month warranty.

Saved items Sign in

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

  • TypeTest Equipment
  • Color/FinishRed
  • Item Count1 pack
  • Selling UnitBox
  • Parts3 Years
  • Labor1 Year
  • 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.

Highlights

  • 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

Specifications

BrandFESTO
ModelGRLSA-1/8-QS-6
TypeTest Equipment
Color/FinishRed
Item Count1 pack
Selling UnitBox
Parts3 Years
Labor1 Year

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.

Also in this aisle

People compared these

Same shelf, same checkout — eight coins and a 30-minute rate lock.