190859

Name: Festo 190859 Non return valve HB-1/8-QSM-3/16-U
Brand: Festo

Non return valve HB-1/8-QSM-3/16-U

The Festo part number 190859 is an industrial component featuring a non-return valve function with a QS-3/16 pneumatic connection 1 and a 1/8 NPT pneumatic connection 2. Engineered for screw-in mounting, this brass housing unit operates within a pressure range of -1 bar to 10 bar and handles a normal nominal flow rate of 216 l/min using compressed air as per ISO 8573-1:2010 [7:-:-]. It requires a minimum opening differential pressure of 0.1 bar, a minimum closing differential pressure of 0.2 bar, and supports ambient temperatures from 0 °C to 60 °C with a total product weight of 13 g. Submit the exact part number, quantity, and application requirements to receive a formal quotation.

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Manufacturer: Festo
Part number: 190859
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Verified configuration

Technical Specifications

Valve function: Non-return function
Pneumatic connection 1: QS-3/16
Pneumatic connection 2: 1/8 NPT
Type of mounting: Screw-in
Normal nominal ow rate (normalized to DIN 1343): 216 l/min
Operating pressure: -1 bar...10 bar
Ambient temperature: 0 °C...60 °C
Housing material: Brass
Operating medium: Compressed air as per ISO 8573-1:2010 [7:-:-]
Min. diﬀerential pressure, opening: 0.1 bar
Min. diﬀerential pressure, closing: 0.2 bar
Information on operating and pilot media: Operation with oil lubrication possible (required for further use)
LABS (PWIS) conformity: VDMA24364-B2-L
Product weight: 13 g
Note on materials: RoHS compliant

Engineering context

Identification and RFQ Guidance

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Technical verification

Our sourcing response is prepared against Festo 190859. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.