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Check valves will prevent flow in one direction and facilitate flow in the opposite direction. Check valves are sometimes called non-return valves. Floating disk style check valves have a disk that will change position inside of the body with the flow of media. In the forward direction, the media is able to flow around the disk. In the reverse direction, the disk is pushed against the seat and prevents flow. Air Logic's F2804 check valves combine the benefits of a soft silicone seat with a hard floating disk: great sealing characteristics and high reverse pressure ratings.

Air Logic Overview Kit - Items

Unit of Measure

Specifications

Brands

 N/A Air Logic

Model

 N/A 404

Cracking Pressure

 N/A Less than 0.02 bar Less than 10 in. H2O Less than 2.5 kPa Less than 0.36 psi

Reverse Flow

 N/A Less than 0.06 SCIM

Tubing Inside Diameter (ID)

 N/A 1/8 in

Maximum Pressure

 N/A 75 psi5.2 bar
Typical Tube Retention Pressure1 N/A 125 psi8.6 bar

Forward Flow at 75 Pound Per Square Inch (psi) Supply Pressure

 N/A 2 scfm

Recommended System Filtration

 N/A 5 µm

Connection Type

 N/A Barbed

Wetted Material(s)

 N/A Nylon Polysulfone (PSU) Silicone (Si)

Installation Method

 N/A Push-In

EU RoHS 2 (Directive 2011/65/EU with amendment (EU) 2015/863)

 N/A Yes

REACH (Registration, Evaluation, Authorization and Restriction of Chemicals) Compliant

 N/A Yes

Additional Information

 N/A

The Housing design enables extremely responsive movements for sensitive applications. No lubrication is used in production or required for operation.

Threaded connections are a convenient way to connect in a variety of applications. This product combines well with Air Logic's fitting product line for application specific requirements like swivel capability, and serviceable applications.
  • 1 Subject to tubing specification