Single Check Valves 
Description:-Push-fit food grade and FDA approved plastic fitting for the connection of plastic and copper pipe. Designed, manufactured and assembled in the UK by John Guest Speedfit. Its unique flexibility lies within its broad range of application, high reliability of performance, longevity of service and suitability to plumbing, Drinks dispense, compressed air,nitrogen, Inert Gases, Chemical,  water purification, drinks vending & Dispensary Machines ,telecommunications, Pharma equipment and many more application in Industries..
Features:-
Push-fit and demountable connections
Reusable fittings
Grip and Seal connection
Lead-free and non-toxic
No scale build up and Corrosion Free
NSF,BSI ,WRAS , FDA approved