475ST

Parts Indentification

1. O-Ring, Relief Valve

2. Relief Valve Elbow

3. O-Ring, Relief Valve Elbow

4. Relief Valve Assembly

5. Bolt, Relief Valve

6. Seat Retainer

7. O-Ring, Seat

8. Bolt, Poppet Retainer

9. Handle, Poppet Assembly

10. Washer

11. O-Ring, Retainer

12. Poppet Retainer

13. Seal Ring

14. Seat Assembly, #1 Poppet

15. Seat Assembly, #2 Poppet

16. Sensing Tube Fitting

17. Sensing Tube

18. Washer, Seat Retainer

19. Nut, Seat Retainer

20. Elbow

21. Nipple

22. Grooved Coupling, Body, Spool

23. Gate Valve: NRS (GXG), NRS (GXF), OS&Y (GXG), OS&Y (GXF), Butterfly Valve (GXG), Butterfly Valve (GXF)

24. Grooved Coupling, Cover

25. Ball Valve, Cover        

26. Ball Valve, FxF

27. Cover

475ST

475ST

Reduced Pressure Principle - Backflow Preventer - 4" to 10"

Where to Buy
Diagram # Product Number Description Shop Parts

RK10-475ST-RVELBOW

400STR to StandardConversion Kit, 10"

RK10-475STR-RVELBOW

Standard to 400STR Conversion Kit, 10"
Diagram # Product Number Description Shop Parts

RK4-375AST-SEAT1-ASY

#1 Seat Assembly Kit, 4"

RK4-475STR-RVELBOW

Standard to 400STR Conversion Kit, 4"

RK4-450STCK4

#2 Check Assembly Kit, 4"

RK4-475ST-RVELBOW

400STR to Standard Conversion Kit, 4"

RK4-350

Rubber Kit, 4"

RK4-350AST-SEAT2ASSY

#2 Seat Assembly Kit, 4"

BRK4-SSLBF-SEAT1RTNR

Bulk Seat Retainer Kit, 4"

RK4-375ASTCK1

#1 Check Assembly Kit, 4"
Diagram # Product Number Description Shop Parts

RK212-RV-ASSY

Relief Assembly Kit, 4" and 6"
Diagram # Product Number Description Shop Parts

RK4-RV475ST-HOSE

Relief Valve Hose Kit, 4" and 8"
Diagram # Product Number Description Shop Parts

RK6-475ST-RVELBOW

400STR to Standard Conversion Kit, 6"

RK6-350

Rubber Kit, 6"

RK6-475STR-RVELBOW

Standard to 400STR Conversion Kit, 6"

RK6-375ASTCK1

#1 Check Assembly Kit, 6"

RK6-450STCK4

#2 Check Assembly Kit, 6"

BRK6-SSLBF-SEAT1RTNR

Bulk Seat Retainer Kit, 6"
Diagram # Product Number Description Shop Parts

RK6-RV475ST-HOSE

Relief Valve Hose Kit, 6" and 10"
Diagram # Product Number Description Shop Parts

RK8-475ST-RVELBOW

400STR to Standard Conversion Kit, 8"

RK8-475STR-RVELBOW

Standard to 400STR Conversion Kit, 8"
Diagram # Product Number Description Shop Parts

RK8-350

Rubber Kit, 8" and 10"

RK8-450STCK1

#2 Check Assembly Kit, 8" and 10"

RK8-RV-ASSY

Relief Assembly Kit, 8" and 10"

RK8-475STCK1

#1 Check Assembly Kit, 8" and 10"