Flow control valves GRO, in-line installation
Subject to change – 2013/04
2
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Flow control valves GRO, in-line installation
Produ ct range overview and type codes
Product range overview
Version Valve function Version Type Connection
direction
Pneumatic
connection 2
Pneumatic
connection 1
qnN
1)
Adjustment
component
Page/
Internet
[l/min]
In-line
installation
Metal
Flow control
function
GRO Inline M5, Gx M5, Gx 87 … 194 Knurled screw 3
Flow control
function
GRO Inline G¼ G¼ 350 Knurled screw 3
Polymer
Flow control
function
GRO Inline QS-3, QS-4,
QS-6
QS-3, QS-4,
QS-6
25 … 160 Knurled screw 6
1) Standard nominal flow rate in direction of flow control.
Type codes
GRO
– QS-4 –
Type
GRO Flow control valve, in-line i nstallation
Pneumaticconnection1and2
M5 Female thread M5
x Female thread Gx
¼ Female thread G¼
QS-3 Push-in connector for tubing O.D. 3 mm
QS-4 Push-in connector for tubing O.D. 4 mm
QS-6 Push-in connector for tubing O.D. 6 mm
Generation
B Bseries
2013/04 – Subject to change
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Flow control valves GRO, in-line installation
Technical data – Female thread, metal
Function
-M- Flow rate
87 … 350 l/min
-Q- Temperature range
–20…+60°C
-L- Operating pressure
0…10bar
GRO-M5/x GRO-¼
General technical data
Valve function Flow control function
Pneumatic connection 1 M5 Gx G¼
Pneumatic connection 2 M5 Gx G¼
Adjustment component Knurled screw
Type of mounting Front panel mounting Inline installation
Via through-hole –
Mounting position Any
Operating and environmental conditions
Pneumatic connection 1 M5 Gx G¼
Operating pressure [bar] 0…10
Operating medium Compressed air in accordance with ISO 8573-1:2010 [7:4:4]
Note on operating/pilot medium Operation with lubricated medium possible (in which case lubricated operation will always be required)
Ambient temperature [°C] –20 … +60
Temperature of medium [°C] –20 … +60
Storage temperature [°C] –20 … +40 –20 … +60
Standard nominal flow rate qnN at 6 > 5 bar as a function of turns of the adjusting screw n
GRO-M5-B GRO-x-B, GRO-¼
GRO-M5-B GRO-x-B
GRO-¼
Materials
Sectional view
Flow control valve
1 Adjusting screw GRO-M5-B, GRO-x-B: Brass
GRO-¼: Galvanised steel
2 Housing Wrought aluminium alloy
– Seals NBR
Note on materials RoHS-compliant
1
2
Subject to change – 2013/04
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Flow control valves GRO, in-line installation
Technical data – Female thread, metal
Dimensions Download CAD data www.festo.com
GRO-M5-B/GRO-x-B
1 Cover cap GRK 5
2 Hex nut GRM 5
Type Connection B1 D2 H1 H2 H3 H4 H5 H6 H7
max.
L1 L2 ß 1 ß 2
D1 ∅ min. max.
GRO-M5-B M5 14 4.3 36.2 40.3 25.2 16 12.5 7 4.7 2.5 26 18 ±0.1 13 8
GRO-x-B Gx 16 4.3 41.1 45.2 30.8 22 17.5 9.2 9 3.5 32 24 ±0.1 14 8
Dimensions Download CAD data www.festo.com
GRO-¼
Type Connection B1 D2 D3 H1 H2 L1 L2 ß 1
D1 ∅ ∅
GRO-¼ G¼ 28 18 16 32.5 26.5 52 30 24
Ordering data
Pneumatic
connection 1
Pneumatic
connection 2
Standard nominal flow rate qnN
at 6 > 5 bar in direction of flow control
Weight Part No. Type
[l/min] [g]
Knurled screw
M5 M5 87 21 151214 GRO-M5-B
Gx Gx 194 34 151216 GRO-x-B
G¼ G¼ 350 80 2109 GRO-¼
2013/04 – Subject to change
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Flow control valves GRO, in-line installation
Accessories
Hex nut GRM
For front panel mounting
Material: Steel
Ordering data
For type Description Part No. Type
GRO-M5-B Thread M10x1 6444 GRM-M5
GRO-x-B Thread M12x1 2107 GRM-x
Cover cap GRK
Material : PP
Ordering data
For type Description Part No. Type
GRO-M5-B Thread M10x1 6436 GRK-M5
GRO-x-B Thread M12x1 2105 GRK-x
Subject to change – 2013/04
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Flow control valves GRO, in-line installation
Technical data – Push-in connector QS, polymer
Function
-M- Flow rate
25 … 160 l/min
-Q- Temperature range
–10…+60°C
-L- Operating pressure
0…10bar
General technical data
Valve function Flow control function
Pneumatic connection 1 QS-3 QS-4 QS-6
Pneumatic connection 2 QS-3 QS-4 QS-6
Adjustment component Knurled screw
Type of mounting Via through-hole
Front panel mounting
Via accessories
Mounting position Any
Operating and environmental conditions
Operating pressure [bar ] 0…10
Operating medium Compressed air in accordance with ISO 8573-1:2010 [7:4:4]
Note on operating/pilot medium Operation with lubri cated medium possible (in which case lubricated operation will always be required)
Ambient temperature [°C] –10 … +60
Temperature of medium [°C] –10 … +60
Storage temperature [°C] –10 … +40
Standard nominal flow rate qnN at 6 > 5bar
as a function of turns of the adjusting screw n
Standard flow rate qn at 6 > 0bar
as a function of turns of the adjusting screw n
GRO-QS-3/GRO-QS-4 GRO-QS-3/GRO-QS-4
qnN [l /min]
n
qn [l/min]
n
GRO-QS-6 GRO-QS-6
n
qnN [l/min]
qn [l/min]
n
2013/04 – Subject to change
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Flow control valves GRO, in-line installation
Technical data – Push-i n connector QS, polymer
Materials
Sectional view
Flow control valve
1 Adjusting screw Nickel-plated brass
2 Housing PA, reinforced
3 Releasing ring POM
– Seals NBR
Note on materials RoHS-compliant
Dimensions Download CAD data www.festo.com
Knurled screw
1 Cover cap GRK 8
2 Hex nut GRM 8
Type Tubing O.D.
D1
B D2 D3 D4 H1 H2 H3 H4
∅ ∅ min. max.
GR-QS-3 3 14 M10x1 4.3 ±0.1 8.0 –0.3 35.9 40 5.55 12.2 15.7
GR-QS-4 4 14 M10x1 4.3 ±0.1 8.0 –0.3 35.9 40 5.55 12.2 15.7
GR-QS-6 6 16 M12x1 4.3 ±0.1 10.1 –0.3 40.4 44.5 8.4 17.3 21.3
Type H5 H6 H7 H8 H9 H10 L1 L2 L3 ß 1 ß 2
max.
GR-QS-3 24.9
4.5 3.5
3.2 2.5 50.9 41.8 36 18
8
13
GR-QS-4 24.9
3.2 2.5 50.9 42.4 36 18 13
GR-QS-6 30.1
2.8 3.5 46.1 51.6 43 24 14
Ordering data
Pneumatic
connection 1
Pneumatic
connection 2
Standard nominal flow rate qnN
at 6 > 5 bar in direction of flow control
Weight Part No. Type
[l/min] [g]
Knurled screw
QS-3 QS-3 25 15 193971 GRO-QS-3
QS-4 QS-4 85 15 193972 GRO-QS-4
QS-6 QS-6 160 25 193973 GRO-QS-6
1
2
3
Subject to change – 2013/04
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Flow control valves GRO, in-line installation
Accessories
Retainer GR-H-QS
For mounting on a flat surface via M3
screws. The flow control valve is
snapped into the retainer. The
retainer can be fitted in any position.
Material : POM
Free of copper and PTFE
Linking of multiple retainers via
dovetail slot
Dimensions and or dering data
For type B B1 D
∅
D1
∅
D2
∅
H H1 H2
GRO-QS-3, GRO-QS-4 14.3 1.9 9 3.2 6 16 12 5.7
GRO-QS-6 19.8 1.9 14.5 3.2 6 19.2 13 5.7
For type H3 H4 L L1 Weight Part No. Type
[g]
GRO-QS-3, GRO-QS-4 4.1 3.4 31.8 24 4 195495 GR-H-QS-3-4
GRO-QS-6 2.3 3.4 31.8 24 5 195496 GR-H-QS-6-8
Hex nut GRM
For front panel mounting
Material: Steel
Ordering data
For type Description Part No. Type
GRO-QS-3, GRO-QS-4 Thread M10x1 6444 GRM-M5
GRO-QS-6 Thread M12x1 2107 GRM-x
Cover cap GRK
Material : PP
Ordering data
For type Description Part No. Type
GRO-QS-3, GRO-QS-4 Thread M10x1 6436 GRK-M5
GRO-QS-6 Thread M12x1 2105 GRK-x
