475 and 475V

Parts Indentification

1. Relief Valve Elbow

2. O-Ring, Elbow/Relief Valve

3. Bolt, Elbow/Relief Valve

4. Seat Retainer Assembly #1

5. Seat Retainer Assembly #2

6. O-Ring, Seat Assembly

7. Bolt, Poppet Retainer

8. Handle, #1 Poppet Assembly

9. Washer, Poppet Retainer

10. O-Ring, Poppet Retainer

11. Poppet Retainer

12. Seal Ring

13. Seat Assembly #1 Poppet

14. Seat Assembly #2 Poppet

15. Relief Valve Assembly

16. Pitot Tube Assembly

17. Sensing Tube

18. Elbow

19. Nipple

20. Washer, Seat Retainer

21. Gate Valve: NRS (GXG), NRS (GXF), OS&Y (GandG), OS&Y (GXF), Butterfly Valve (GxG), Butterfly Valve (GXF)

22. Ball Valve, FxF

23. Cover Retainer Assembly

24. Bulkhead Fitting Assembly

25. Sensing Bulkhead Fitting

26. Grooved Coupling

27. Cover

475 and 475V

475 and 475V

Reduced Pressure Princile - Backflow Preventers - 4" to 10"

Where to Buy
Diagram # Product Number Description Shop Parts

RK4-350CK2

#2 Check Assembly Repair Kit, 4" 475 and 475V

BRK4-LBF-SEAT1RTNR

Bulk #1 Seat Retainer Repair Kit, 4" 475 and 475V

RK4-350-SEAT2-ASSY

#2 Check Assembly Repair Kit, 4" 475 and 475V

BRK4-LBF-SEAT2RTNR

Bulk #2 Seat Retainer Repair Kit, 4" 475 and 475V

RK4-375-SEAT1-ASY

#1 Check Assembly Repair Kit, 4" 475 and 475V

RK4-375CK1

#1 Check Assembly Repair Kit, 4" 475 and 475V

RK4-350

Standard Repair Kit, 4" 475 and 475V
Diagram # Product Number Description Shop Parts

RK4-475-TUBE-ASSY

Pitot Tube Assembly Repair Kit, 4" - 10" 475 and 475V
Diagram # Product Number Description Shop Parts

RK212-RV-ASSY

Relief Valve Assembly Repair Kit, 4" and 6" 475 and 475V

RK4-RV475-HOSE

Braided Hose Repair Kit, 4" and 6" 475 and 475V
Diagram # Product Number Description Shop Parts

RK6-350

Standard Repair Kit, 6" 475 and 475V

BRK6-LBF-SEAT2RTNR

Bulk #2 Seat Retainer Repair Kit, 6" 475 and 475V

RK6-375CK1

#1 Check Assembly Repair Kit, 6" 475 and 475V

RK6-350CK2

#2 Check Assembly Repair Kit, 6" 475 and 475V

RK6-375-SEAT1-ASSY

#1 Check Assembly Repair Kit, 6" 475 and 475V

RK6-350-SEAT2-ASSY

#2 Check Assembly Repair Kit, 4" 475 and 475V

BRK6-LBF-SEAT1RTNR

Bulk #1 Seat Retainer Repair Kit, 6" 475 and 475V
Diagram # Product Number Description Shop Parts

RK8-375CK1

#1 Check Assembly Repair Kit, 8" and 10" 475 and 475V

RK8-RV475-ASSY

Relief Valve Assembly Repair Kit, 8" and 10" 475 and 475V

RK8-375-SEAT1-ASY

#1 Check Assembly Repair Kit, 8" and 10" 475 and 475V

RK8-RV475-HOSE

Braided Hose Repair Kit, 8" and 10" 475 and 475V

RK8-350

Standard Repair Kit, 8" and 10" 475 and 475V

RK8-350CK2

#2 Check Assembly Repair Kit, 8" and 10" 475 and 475V