6685

Name: Festo 6685 AND gate ZK-PK-3
Brand: Festo

AND gate ZK-PK-3

The Festo part number 6685 is an industrial component featuring an AND valve function with PK-3 pneumatic connections across ports 1, 2, and 3. Constructed with a brass and POM housing alongside NBR seals, this 10 g component operates within a pressure range of 1.6 bar to 8 bar and supports a normal nominal flow rate of 120 l/min using compressed air as per ISO 8573-1:2010 [7:-:-]. It accommodates an ambient and medium temperature range of -10 °C to 60 °C, permits optional oil lubrication, complies with RoHS material notes, and mounts via a through-hole in any position. Submit the exact part number, quantity, and application requirements for a quote.

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Industrial and obsolete parts are priced per enquiry: the final price depends on available stock, condition, quantity, and your delivery destination, so a fixed list price would be misleading. Request a quote and we confirm current pricing, lead time, and sourcing options — including hard-to-find and discontinued Festo references — within one business day.

Manufacturer: Festo
Part number: 6685
Data verification: Manufacturer evidence reviewed

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Verified configuration

Technical Specifications

Valve function: AND function
Pneumatic connection 1: PK-3
Pneumatic connection 2: PK-3
Type of mounting: With through-hole
Normal nominal ow rate (normalized to DIN 1343): 120 l/min
Operating pressure: 1.6 bar...8 bar
Ambient temperature: -10 °C...60 °C
Housing material: Brass | POM
Operating medium: Compressed air as per ISO 8573-1:2010 [7:-:-]
Nominal width: 2.4 mm
Mounting position: Any
Information on operating and pilot media: Operation with oil lubrication possible (required for further use)
LABS (PWIS) conformity: VDMA24364-B1/B2-L
Temperature of medium: -10 °C...60 °C
Product weight: 10 g
Pneumatic connection 3: PK-3
Note on materials: RoHS compliant
Seals material: NBR

Engineering context

Identification and RFQ Guidance

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Use the manufacturer part number and model code—not appearance alone. Connection, size, material, voltage, pressure, seal, and control options can differ within the same product family.

What to include in your RFQ

Provide quantity, delivery country and ZIP/postal code, required condition, target date, and photographs of the existing nameplate when available.

Technical verification

Our sourcing response is prepared against Festo 6685. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.