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. These check valves combine the benefits of a soft silicone seat with a hard floating disk: great sealing characteristics and high reverse pressure ratings.

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Thread Floating Disk Check Valve (F2804404)

Threaded Check Valve, 10-32 Threads, Floating Disk
B80 Barb 1/16 Inch (in) Tubing Inside Diameter (ID) Thread Floating Disk Check Valve (F2804404B80)

Threaded Check Valve, 10-32 Threads, Floating Disk, 1/16 Inch Pre-Installed Barbs
B85 Barb 1/8 Inch (in) Tubing Inside Diameter (ID) Thread Floating Disk Check Valve (F2804404B85)

Threaded Check Valve, 10-32 Threads, Floating Disk, 1/8 Inch Pre-Installed Barbs
B86 Barb 0.170 Inch (in) Tubing Inside Diameter (ID) Thread Floating Disk Check Valve (F2804404B86)

Threaded Check Valve, 10-32 Threads, Floating Disk, .170 Inch Pre-Installed Barbs
P80 Barb 1/16 Inch (in) Tubing Inside Diameter (ID) Thread Floating Disk Check Valve (F2804404P80)

Threaded Check Valve, Floating Disk, 1/16 Inch Barbs
Description N/A

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.
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 N/A 1/16 in N/A 1/8 in N/A 0.170 in N/A 1/16 in
Maximum Pressure N/A 75 psi5.2 bar
Typical Tube Retention Pressure1 N/A N/A 125 psi8.6 bar N/A 125 psi8.6 bar N/A 125 psi8.6 bar 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 Threaded N/A Barbed N/A Barbed N/A Barbed N/A Barbed
Connection Size N/A 10-32 Threads N/A N/A N/A N/A
Wetted Material(s) N/A Polysulfone (PSU) Silicone (Si) N/A Nylon Polysulfone (PSU) Silicone (Si) N/A Nylon Polysulfone (PSU) Silicone (Si) N/A Nylon Polysulfone (PSU) Silicone (Si) N/A Polysulfone (PSU) Silicone (Si)
Installation Method N/A N/A Push-In N/A Push-In N/A Push-In 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