QSS-12 QSS-12-20 QSS-4-F QSS-6-F Festo QSS Series Push-in Fitting
Within Festo's pneumatic component ecosystem, the QSS Series serves as a fundamental and versatile connectivity solution for building and distributing compressed air networks . Its primary application is in industrial automation systems, robotics, packaging machinery, and material handling equipment where reliable, leak-free tube connections are critical . The bulkhead design is particularly useful for creating low-profile connections through panels, walls, or machine frames, making it ideal for systems with strict spatial constraints or cleanliness requirements . This positions the QSS Series as an essential component for engineers and technicians who need to construct, maintain, or modify pneumatic circuits efficiently and reliably across diverse industrial settings.
Order Codes:
| Item Code |
Port Connection1 |
Port Connection2 |
Part no. |
Packing Quantity |
| QSS-12 |
Tubing OD: 12 mm |
Tubing OD: 12 mm |
153161 |
10 |
| QSS-12-20 |
Tubing OD: 12 mm |
Tubing OD: 12 mm |
130792 |
20 |
| QSS-4-F |
Tubing OD: 4 mm |
Tubing OD: 4 mm |
193950 |
10 |
| QSS-6-F |
Tubing OD: 6 mm |
Tubing OD: 6 mm |
193951 |
10 |
Datasheet:
| General technical data – Metric and G male thread |
| Pneumatic connection, port 1 |
Male thread M5 |
Male thread G1/8 |
Male thread G1/4 |
Male thread G3/8 |
Male thread G1/2 |
Male thread G3/4 |
| Design |
Push-pull principle |
| Mounting position |
optional |
| Type of seal on screwed plug |
Sealing ring |
| Nominal torque |
1.2 Nm |
5.4 Nm |
9 Nm |
15.5 Nm |
26 Nm |
20 Nm |
| Tolerance for nominal tightening torque |
± 20% |
| Nominal size |
1.8 ... 2.4 mm |
2.6 ... 6 mm |
3.1 ... 8.5 mm |
4.2 ... 11 mm |
6.4 ... 13 mm |
20 mm |
| Tubing insertion depth 1) |
14.9 ... 17 mm |
14.9 ... 20.7 mm |
17 ... 23.4 mm |
18.1 ... 24.8 mm |
23.3 ... 24.8 mm |
27.54 mm |
| Product weight |
8 ... 13 g |
7.7 ... 31 g |
13 ... 48 g |
20 ... 97 g |
33 ... 158 g |
91.2 g |
1) The indicated tubing insertion depths are reference values and may vary slightly depending on the type.
| General technical data – Male R thread |
| Pneumatic connection, port 1 |
Male thread R1/8 |
Male thread R1/4 |
Male thread R3/8 |
Male thread R1/2 |
| Design |
Push-pull principle |
| Mounting position |
optional |
| Type of seal on screwed plug |
Coating |
| Nominal size |
2.4 ... 6 mm |
2.8 ... 8.5 mm |
4.2 ... 11 mm |
6.3 ... 13 mm |
| Tubing insertion depth ¹) |
11.6 ... 20.7 mm |
11.9 ... 23.4 mm |
17 ... 24.8 mm |
20.2 ... 24.8 mm |
1) The indicated tubing insertion depths are reference values and may vary slightly depending on the type.
| General technical data – Female G thread |
| Pneumatic connection, port 1 |
Female thread G1/8 |
Female thread G1/4 |
Female thread G3/8 |
Female thread G1/2 |
| Design |
Push-pull principle |
| Mounting position |
optional |
| Type of seal on screwed plug |
Coating |
| Nominal size |
2.8 ... 7 mm |
3 ... 11 mm |
5 ... 11 mm |
11 ... 15 mm |
| General technical data – Push-in sleeve |
| Pneumatic connection, port 1 |
Push-in sleeve Ø 4 mm |
Push-in sleeve Ø 6 mm |
Push-in sleeve Ø 8 mm |
Push-in sleeve Ø 10 mm |
Push-in sleeve Ø 12 mm |
Push-in sleeve Ø 16 mm |
| Design |
Push-pull principle |
| Mounting position |
optional |
| Nominal size |
2.5 mm |
2.3 ... 4 mm |
2.3 ... 6 mm |
3.8 ... 7.5 mm |
3.7 ... 9 mm |
7.8 ... 11 mm |
| Pneumatic connection,port 1 |
For tubing outer diameter of 4 mm |
For tubing outside diameter of 6 mm |
For tubing outer diameter of 8 mm |
For tubing outer diameter of 10 mm |
For tubing outer diameter of 12 mm |
For tubing outer diameter of 16 mm |
| Design |
Push-pull principle |
| Mounting position |
optional |
| Type of seal on screwed plug |
— |
Coating |
| Nominal size |
2.8mm |
2.8...4.3mm |
2.8...7mm |
4.3...9mm |
6.2...11mm |
13mm |
| Pneumatic connection, port 2 |
For tubing outside diameter of 4 mm |
For tubing outside diameter of 6 mm |
For tubing outside diameter of 8 mm |
For tubing outside diameter of 10 mm |
For tubing outer diameter of 12 mm |
For tubing outside diameter of 16 mm |
For tubing outside diameter of 22 mm |
| Tubing insertion depth 1) |
14.9 mm |
17 mm |
18.2 mm |
20.7 mm |
23.3 mm |
24.8 mm |
27.54 mm |
1) The indicated tubing insertion depths are reference values and may vary slightly depending on the type.
Operating and environmental conditions:
| Operating pressure complete temperature range |
-0.95 ... 6 bar |
| Temperature-dependent operating pressure |
-0.95 ... 14 bar |
| Note on operating pressure |
Water: max. 0.6 MPa at max. 50°C |
| Operating medium |
Compressed air to ISO 8573-1:2010 [7:-:-]
Water (liquid, ice-free) |
| Note on operating and pilot medium |
Lubricated operation possible
Water: G-thread only possible with sealing ring type OL as additional accessory |
| Ambient temperature |
-10 ... 80°C |
| Corrosion resistance class CRC 1) |
1 - Low corrosion stress |
| Maritime classification |
See certificate |
1) More information www.festo.com/x/topic/kbk
Materials:
| Material housing |
Anodised aluminium, Brass, nickel-plated, PBT |
| Material release ring |
POM |
| Colour of release ring |
Blue |
| Material tubing seal |
NBR |
| Material tubing clamp component |
High-alloy stainless steel |
| Note on materials |
RoHS-compliant |
| Material nut |
Nickel-plated brass |
| Material hollow bolt |
Nickel-plated brass |
| Cleanroom suitability, measured according to ISO 1464414 1) |
Class 4 according to ISO 14644-1Element installed statically, no meaningful evaluation possible according to ISO 14644-1 |
1) For push-in sleeves QSH and blanking plugs QSC-...H, no meaningful evaluation possible according to ISO 14644-1 (components installed statically)
Dimensions:
Quality Standards:
The company for the products are brand new original products, no second-hand and refurbished products, or leave a compensable ten and return the full amount , but the buyer due to our purchase of model error is not responsible for returns, another of the company's sales of products enjoy one year from the date of shipment quality assurance , according to the original quality standards , during warranty with product problems , need confirmation testing by the manufacturer , the supplier to be solved , the demand side due to storage , use, poor maintenance caused by lower-quality product , and not raise objections.
Samples:
You can send a sample to customize the products, we have many engineers can help it; If you want a product of mine, but you are not sure if it's what you want, so you can ask for a sample from me, it will be free.
After-sale serivce:
We can provide a series of after-sale service, such as product introduction, mounting, debugging, technical support and so on.
Competitive Advantage:
| Our product features: |
Our Services Guarantee: |
| 1) Competitive price |
1) Prompt respond (Reply with 24 hours) |
| 2) Good quality |
2) Free Samples (Customer pay for the delivery cost) |
| 3) Professional Packaging |
4) 1 year warranty |
| 4) Produce according to Customers’ instruction |
5) Photos/videos are available during production. |
| 5) None delay shipment |
6) Loading inspection, and send loading photos before shipment. |
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