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Genuine Festo product Product family

GRLA_QS

One-way flow control valve

Tried and tested for precise adjustment of the flow rate.The combination of polymer and metal makes it lightweight, compact and sturdy.

Highlights
  • Functional combination of one-way flow control valve and piloted check valve
  • Flow control valve, flow control at one end
  • Polymer, metal or stainless steel design
  • Standard, mini, in-line variants with different flow rates
  • Connections: thread at both ends, push-in connector at both ends, thread/push-in connector

Price and delivery are confirmed with the quote. Requests received during business hours are answered the same day.

GRLA-GRLZ_EN.PDF GRLA-GRLZ-ADD_EN.PDF

Products in this product family

74 variants
Product Part no. Valve function Standard nominal flow rate in flow control direction Pneumatic connection, port 1 Adjustment component
GRLA-3/8-QS-6-RS-D One-way flow control valve 534341 Exhaust air one-way flow control function 495 l/min QS-6 Knurled screw
GRLA-3/8-QS-8-RS-D One-way flow control valve 534342 Exhaust air one-way flow control function 820 l/min QS-8 Knurled screw
GRLA-M5-RS-B One-way flow control valve 151163 Exhaust air one-way flow control function 95 l/min M5 Knurled screw
GRLA-M5-QS-3-RS-D One-way flow control valve 197576 Exhaust air one-way flow control function 100 l/min QS-3 Knurled screw
GRLA-M5-QS-4-RS-D One-way flow control valve 197577 Exhaust air one-way flow control function 110 l/min QS-4 Knurled screw
GRLA-M5-QS-6-RS-D One-way flow control valve 197578 Exhaust air one-way flow control function 115 l/min QS-6 Knurled screw
GRLA-1/2-B One-way flow control valve 151179 Exhaust air one-way flow control function 2100 l/min G1/2 Slotted head screw
GRLA-1/4-PK-4-B One-way flow control valve 151173 Exhaust air one-way flow control function 260 l/min For barbed fitting I.D. 4 mm with union nut Slotted head screw
GRLA-1/4-PK-6-B One-way flow control valve 151174 Exhaust air one-way flow control function 540 l/min For barbed fitting I.D. 6 mm with union nut Slotted head screw
GRLA-1/4-B One-way flow control valve 151172 Exhaust air one-way flow control function 610 l/min Female thread G1/4 Slotted head screw
GRLA-3/4-B One-way flow control valve 151180 Exhaust air one-way flow control function 4320 l/min G3/4 Slotted head screw
GRLA-3/8-B One-way flow control valve 151178 Exhaust air one-way flow control function 1450 l/min G3/8 Slotted head screw
GRLSA-1/4-QS-8 One-way flow control valve 540662 Exhaust air one-way flow control function 0 … 450 l/min QS-8 Hexagon socket
GRLSA-1/8-QS-6 One-way flow control valve 540661 Exhaust air one-way flow control function 0 … 250 l/min QS-6 Hexagon socket
GRLZ-1/4-RS-B One-way flow control valve 151198 Supply air one-way flow control function 610 l/min Female thread G1/4 Knurled screw
GRLZ-1/8-RS-B One-way flow control valve 151192 Supply air one-way flow control function 340 l/min G1/8 Knurled screw
GRLZ-M5-RS-B One-way flow control valve 151186 Supply air one-way flow control function 95 l/min M5 Knurled screw
GRLZ-1/4-B One-way flow control valve 151195 Supply air one-way flow control function 610 l/min Female thread G1/4 Slotted head screw
GRLZ-1/8-B One-way flow control valve 151188 Supply air one-way flow control function 340 l/min G1/8 Slotted head screw
GRLZ-M3 One-way flow control valve 175040 Supply air one-way flow control function 18 l/min M3 Slotted head screw
GRLZ-M3-QS-3 One-way flow control valve 175043 Supply air one-way flow control function 41 l/min QS-3 Slotted head screw
GRLZ-M5-B One-way flow control valve 151183 Supply air one-way flow control function 95 l/min M5 Slotted head screw
GRLZ-M5-QS-3-LF-C One-way flow control valve 175055 Supply air one-way flow control function 48 l/min QS-3 Slotted head screw
GRLZ-M5-QS-4-LF-C One-way flow control valve 175058 Supply air one-way flow control function 48 l/min QS-4 Slotted head screw

Diagrams

Diagrams open in Festo's interactive diagram tool in a new tab.

Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle revolutions n (GRLA/GRLZ-M5 – push-in connector QS, metal)
Standard flow rate qn at 6 → 0 bar as a function of spindle revolutions n (GRLA-1/8-...-MF, GRLA-1/4 – push-in connector QS, metal)
Standard nominal flow rate qnN at 6 → 5 bar as a function of the spindle revolutions n (GRLA-1/8-...-MF, GRLA-1/4 – push-in connector QS, metal)
Standard flow rate qn at 6 → 0 bar as a function of spindle revolutions n (GRLA/GRLZ-M5 – push-in connector QS, metal)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle revolutions n (GRLA/GRLZ-1/8 – push-in connector QS, metal)
Standard flow rate qn at 6 → 0 bar as a function of spindle revolutions n (GRLA/GRLZ-1/8 – push-in connector QS, metal)
Standard flow rate qn at 6 → 0 bar as a function of spindle revolutions n (GRLA/GRLZ-3/8 – push-in connector QS, metal)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle revolutions n (GRLA/GRLZ-3/8 – push-in connector QS, metal)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle revolutions n (GRLA/GRLZ-1/2 – push-in connector QS, metal)
Standard flow rate qn at 6 → 0 bar as a function of spindle revolutions n (GRLA/GRLZ-M5 – female thread/barbed connector, metal)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle revolutions n (GRLA/GRLZ-1/8 – female thread/barbed connector, metal)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle revolutions n (GRLA/GRLZ-M5 – female thread/barbed connector, metal)
Standard flow rate qn at 6 → 0 bar as a function of spindle revolutions n (GRLA/GRLZ-1/4 – female thread/barbed connector, metal)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle revolutions n (GRLA/GRLZ-1/4 – female thread/barbed connector, metal)
Standard flow rate qn at 6 → 0 bar as a function of spindle revolutions n (GRLA/GRLZ-1/2 – push-in connector QS, metal)
Standard flow rate qn at 6 → 0 bar as a function of spindle revolutions n (GRLA/GRLZ-1/8 – female thread/barbed connector, metal)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle revolutions n (GRLA/GRLZ-3/8 – female thread/barbed connector, metal)
Standard flow rate qn at 6 → 0 bar as a function of spindle revolutions n (GRLA/GRLZ-3/8 – female thread/barbed connector, metal)
Standard flow rate qn at 6 → 0 bar as a function of spindle revolutions n (GRLA/GRLZ-3/4 – female thread/barbed connector, metal)
Standard flow rate qn at 6 → 0 bar as a function of spindle revolutions n (GRLA/GRLZ-1/2 – female thread/barbed connector, metal)
Standard nominal flow rate qnN at 6 → 5 bar as a function of the flow control screw position (scale) n (GRLSA-1/8 – push-in connector QS, metal)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle revolutions n (GRLA/GRLZ-1/2 – female thread/barbed connector, metal)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle revolutions n (GRLA/GRLZ-3/4 – female thread/barbed connector, metal)
Standard flow rate qn at 6 → 0 bar as a function of the flow control screw position (scale) n (GRLSA-1/8 - push-in connector QS, metal)
Standard flow rate qn at 6 → 0 bar as a function of the flow control screw position (scale) n (GRLSA-1/4 - push-in connector QS, metal)
Standard nominal flow rate qnN at 6 → 5 bar as a function of the flow control screw position (scale) n (GRLSA-1/4 – push-in connector QS, metal)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle revolutions n (GRLA – push-in fitting QS, polymer)
Standard flow rate qn at 6 → 0 bar as a function of spindle revolutions n (GRLA – push-in fitting QS, polymer)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle revolutions n (GRLA/GRLZ-M3, mini – push-in connector QS, metal)
Standard flow rate qn at 6 → 0 bar as a function of spindle revolutions n (GRLA/GRLZ-M3, mini – push-in connector QS, metal)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle revolutions n (GRLA/GRLZ-M5, mini – push-in connector QS, metal)
Standard flow rate qn at 6 → 0 bar as a function of spindle revolutions n (GRLA/GRLZ-M5, mini – push-in connector QS, metal)
Standard flow rate qn at 6 → 0 bar as a function of spindle revolutions n (GRLA/GRLZ, mini – female thread, metal)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle revolutions n (GRLA/GRLZ, mini – female thread, metal)
Standard flow rate qn at 6 → 0 bar as a function of spindle revolutions n (CRGRLA-M5, CRGRLA-1/8 – female thread, stainless steel)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle revolutions n (CRGRLA-1/4, CRGRLA-3/8, CRGRLA-1/2 – female thread, stainless steel)
Standard nominal flow rate qnN at 6 → 5 bar as a function of spindle revolutions n (CRGRLA-M5, CRGRLA-1/8 – female thread, stainless steel)
Standard flow rate qn at 6 → 0 bar as a function of spindle revolutions n (CRGRLA-1/4, CRGRLA-3/8, CRGRLA-1/2 - female thread, stainless steel)

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