Roller lever valve

RS-4-1/8

Part number: 2949

Data sheet

Feature

Value

Valve function

4/2, monostable

Actuation type

Mechanical

Standard nominal flow rate

128 l/min

Pneumatic working port

G1/8

Operating pressure

0.35 MPa ... 0.8 MPa

Operating pressure

3.5 bar ... 8 bar

Structural design

Plate seat

Reset method

Mechanical spring

Nominal width

3.5 mm

Exhaust air function

With flow control option

Sealing principle

Soft

Mounting position

Any

Type of control

Pilot-controlled

Pilot air supply port

Internal

Flow direction

Non-reversible

Symbol

00991139

Pilot medium

Compressed air as per ISO 8573-1:2010 [-:-:-]

Note on forced dynamization

Switching frequency min. 1/year

Explosion prevention and protection

Zone 1 (ATEX)

Zone 2 (ATEX)

Zone 21 (ATEX)

Zone 22 (ATEX)

Operating medium

Compressed air as per ISO 8573-1:2010 [-:-:-]

Information on operating and pilot media

Operation with oil lubrication possible (required for further use)

Corrosion resistance class (CRC)

2 - Moderate corrosion stress

Temperature of medium

-10 °C ... 60 °C

Ambient temperature

-10 °C ... 60 °C

Actuating force

1.77 N

Product weight

230 g

Type of mounting

With through-hole

Pneumatic connection 1

G1/8

Pneumatic connection 2

G1/8

Pneumatic connection 3

G1/8

Pneumatic connection 4

G1/8

Note on materials

RoHS-compliant

Seals material

NBR

4/8/22 - Subject to change - Festo SE & Co. KG

1/2