Application 
The NPH fill and flush valve is designed for use on domestic and small commercial heating systems. The combination of two ball isolating valves and one ‘T’ port diverting ball valve are used to fill and flush the system with cleaning chemicals or water treatment.

Construction Details : 

Body : Brass BS EN 12165 CW617N
Ball : Brass - chrome plated BS EN 12164 CW617N
Stem : Brass BS EN 12164 CW617N
Stem ‘O’ ring : EPDM
Washer : PTFE
Handle : Polymer ABS
Blank cap : Brass BS EN 12165 CW617N
Strap : PCV

Technical Specification :

Maximum Temperature: 85˚C
Minimum Temperature: 2˚C
Maximum Pressure: 10 bar
Compression ends complying with: BS EN 1252-2 for use with R250 (half hard) copper tube.