John Guest Fittings

Check Valve (Tube x Tube), 1/4" Tube O.D., 5 PSI, White

Allows Flow in One Direction

Quick Connect Push-Lock Fittings Provide instant, secure and leak-proof connections without using tools, and quick easy disconnect. Can be reused over & over.

To make a secure connection; simply push tube into fitting and the unique, Collet Locking System holds the tube firmly in place without de-forming the tube or restricting the flow. To disconnect; simply push the collet and the tube pulls free.

Plastic construction allows for a wide range of uses, including chemical supply lines, compressed air systems, low pressure hydraulics, potable water, and many other industrial applications. Compatible with many types of soft tubing including nylon, poly, brass, copper and steel.

NOTE: Working pressure is 0 to full vacuum and 0 to 150 PSI @ 73 Deg. F. on White Poly and 230 PSI @ 73 Deg. F. on Gray Celcon. Operating temperature is -4 Deg. F. to 158 Deg. F. Food Grade FDA - NSF Listing #51, #61. (For hard stainless or metal tubing, use "Super Seal" fittings).

MATERIAL SPECIFICATIONS: Bodies are either food grade, Gray Acetal Copolymer (Celcon) with Nitrile Rubber o-ring or White (Polypropylene) with EPDM o-ring.

Stock fittings available in either 1/4", 3/8" or 1/2" tube sizes & either Tube x Tube or Tube x Pipe Thread configurations. Metric sizes also available.