Praher PVC Ball Valves

S5 Series PVC True Union Ball Valves:
Materials:  UPVC (grey) - or equivalent Type 1, grade1
Ball seats:  PTFE (Teflon) or HDPE (High density polyethylene)
O-rings:   EPDM - grade 1 (NSF 61), Buna N, FPM (Viton)
Handle:   ABS
End connections:  ASTM GLUE SOCKET or FNPT SOCKET (threaded) SCH80
Pressure rating at 22° C: 200psi (1/2" - 2" ), 146psi (2.5" - 4" )

S4 Series PVC True Union Ball Valves:
Size:  1/2" to 4"
Material:  Grade 1 PVC, NSF 61
O-Rings:  EPDM, VITON, NSF 50
Seats:  Teflon, NSF 61
Design:  Schedule 80 full port
Ends:  Socket, thread and flange
Pressure rating: 1/2" - 2" 232 PSI @ 73° F
  2 1/2" - 4" 150 PSI @ 73° F