qsy-4

Name: qsy-4
Brand: FESTO
SKU: qsy-4

The Festo QSY-4 is a versatile push-in Y-connector designed for compressed air and water applications. It features a durable PBT body, NBR tubing seal, and a high-alloy stainless steel tube retaining claw, ensuring reliable performance in various conditions.

Product Modelqsy-4

Material Number153148

Product ID2996

Stock on Request

Last updated: 8/29/2026

Quantity

Key Features

1
Durable ConstructionMade from high-quality Polybutylene Terephthalate (PBT) and Polyoxymethylene (POM) releasing ring, the QSY-4 offers excellent durability and resistance to abrasion.
2
Easy InstallationWith its optimized bending radius, the QSY-4 is easy to install, reducing setup time and effort.
3
Wide Operating RangeThis fitting operates within a wide temperature range of -10°C to 80°C and supports pressures up to 6 bar, making it suitable for various applications.
4
Corrosion ResistanceClassified as CRC 1, the QSY-4 exhibits low corrosion stress, ensuring it remains reliable even in harsh environments.
5

Technical Specifications

Detailed engineering parameters based on manufacturer documentation

Specifications may be subject to change without notice

Parameter

Value

Parameter

Value

Size

Standard

Nominal width

2.6mm

Mounting position

Any

Design

Y-shape

Pack size

Structural design

Push-pull principle

Versatile CompatibilityCompatible with PEN, PUN, and PAN series, the QSY-4 offers maximum flexibility in standard applications, allowing for easy integration into existing systems.

Operating pressure for entire temperature range

Temperature-dependent operating pressure

-13.775psi 203psi

Information on operating pressure

Water: max. 0.6 MPa at max. 50 °C

Operating medium

Compressed air as per ISO 8573-1:2010 [7:-:-] Water (liquid, ice-free)

Information on operating and pilot media

Operation with oil lubrication possible

Corrosion resistance class (CRC)

1 - Low corrosion stress

LABS (PWIS) conformity

VDMA24364-B1/B2-L

Ambient temperature

-10°C 80°C

Product weight

7.6g

No. of outlets

No. of supply lines

Pneumatic connection 1

for pneumatic tubing outside diameter 4 mm

Pneumatic connection 2

for pneumatic tubing outside diameter 4 mm

Releasing ring color

Blue

Note on materials

RoHS-compliant

Housing material

PBT

Releasing ring material

POM

Material of tubing seal

NBR

Material of tube retaining claw

High-alloy stainless steel

Manufacturer ID

153148