2151

Name: Festo 2151 Quick coupling plug KS4-CK-6
Brand: Festo

Quick coupling plug KS4-CK-6

The Festo part number 2151 is an industrial component featuring a nominal width of 4.9 mm, a product weight of 26 g, and an operating pressure range of -0.095 MPa to 1.2 MPa (-0.95 bar to 12 bar / -13.775 psi to 174 psi). It delivers a normal nominal flow rate from 432 l/min to 495 l/min (468.3 l/min to 536.6 l/min standardized to ISO 8778) using compressed air as per ISO 8573-1:2010 [7:-:-], with lubricated operation possible. Constructed with a nickel-plated brass body, an anodized wrought aluminum alloy union nut, and RoHS-compliant materials, the unit offers a corrosion resistance class of CRC 1 and VDMA24364-B1/B2-L LABS conformity for an ambient temperature range of -10 °C to 60 °C. Pneumatic connection 1 accommodates 8 mm outside diameter pneumatic tubing or barbed fittings with a 6 mm inside diameter using a union nut. 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: 2151
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Technical Specifications

Nominal width: 4.9 mm
Operating pressure for entire temperature range: -0.095 MPa...1.2 MPa | -0.95 bar...12 bar | -13.775 psi...174 psi
Normal nominal ow rate (normalized to DIN 1343): 432 l/min...495 l/min
Nominal ow rate standardized according to ISO 8778: 468.3 l/min...536.6 l/min
Operating medium: Compressed air as per ISO 8573-1:2010 [7:-:-]
Information on operating and pilot media: Lubricated operation possible
Corrosion resistance class (CRC): 1 - Low corrosion stress
LABS (PWIS) conformity: VDMA24364-B1/B2-L
Ambient temperature: -10 °C...60 °C
Product weight: 26 g
Pneumatic connection 1: for pneumatic tubing outside diameter 8 mm | For barbed tting, inside diameter 6 mm, with union nut
Material of union nut: Wrought aluminum alloy, anodized
Note on materials: RoHS compliant
Information on materials: Brass, nickel-plated

Engineering context

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Our sourcing response is prepared against Festo 2151. Final compatibility remains subject to the machine manufacturer’s requirements and complete application data.