11689

Name: Festo 11689 Non return valve H-1/4-B
Brand: Festo

Non return valve H-1/4-B

The Festo part number 11689 is an industrial component featuring a non-return valve function with G1/4 pneumatic connections on both ports. Constructed with an anodized wrought aluminum alloy housing and NBR seals, this screw-in unit operates within a pressure range of 0.4 bar to 12 bar and supports a standard nominal flow rate of 1000 l/min for compressed air conforming to ISO 8573-1:2010 [7:4:4]. It offers moderate corrosion stress resistance, a maximum tightening torque of 11 Nm, and weighs 25.4 g while accommodating any mounting position and oil-lubricated operation. Submit the exact part number, quantity, and application requirements to receive a quote.

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Manufacturer: Festo
Part number: 11689
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Technical Specifications

Valve function: Non-return function
Pneumatic connection 1: G1/4
Pneumatic connection 2: G1/4
Type of mounting: Screw-in
Operating pressure: 0.04 MPa...1.2 MPa | 0.4 bar...12 bar
Ambient temperature: -10 °C...60 °C
Housing material: Wrought aluminum alloy, anodized
Operating medium: Compressed air as per ISO 8573-1:2010 [7:4:4]
Mounting position: Any
Standard nominal ow rate 1->2 (6-5): 1000 l/min
Information on operating and pilot media: Operation with oil lubrication possible (required for further use)
Corrosion resistance class (CRC): 2 - Moderate corrosion stress
LABS (PWIS) conformity: VDMA24364-B2-L
Storage temperature: -10 °C...60 °C
Temperature of medium: -10 °C...60 °C
Max. tightening torque: 11 Nm
Product weight: 25.4 g
Note on materials: RoHS compliant
Seals material: NBR
Official Festo technical specifications: Valve function Non-return function Pneumatic connection 1 G1/4 Pneumatic connection 2 G1/4 Type of mounting Screw-in Operating pressure 0.04 MPa...1.2 MPa 0.4 bar...12 bar Ambient temperature -10 °C...60 °C Housing material Wrought aluminum alloy, anodized Operating medium Compressed air as per ISO 8573-1:2010 [7:4:4] Mounting position Any Standard nominal ow rate 1->2 (6-5) 1000 l/min Information on operating and pilot media Operation with oil lubrication possible (required for further use) Corrosion resistance class (CRC) 2 - Moderate corrosion stress LABS (PWIS) conformity VDMA24364-B2-L Storage temperature -10 °C...60 °C Temperature of medium -10 °C...60 °C Max. tightening torque 11 Nm Product weight 25.4 g Note on materials RoHS compliant Seals material NBR 6/5/26 –

Engineering context

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Our sourcing response is prepared against Festo 11689. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.