450ST (4"-10") Parts/Repair Kits

Parts Indentification

1. O-Ring, Cover Plate

2.Relief Cover Plate

3. Bolt, Cover Plate

4. Seat Retainer

5. O-Ring, Seat

6. Bolt, Poppet Retainer

7. Handle, Poppet Assembly

8. Washer

9. O-Ring, Retainer

10. Poppet Retainer

11. Seal Ring

12.Seat Assembly

13. Washer, Seat Retainer

14. Nut, Seat Retainer

15. Gate Valve, NRS (GxG), NRS (GxF), OS&Y (GxG), OS&Y (GxF), Butterfly Valve (GxG), Butterfly Valve (GxF)

16. Grooved Coupling, Cover

17. Ball Valve, Cover

18. Ball Valve, Shut Off Valve

19. Grooved Coupling, Body

20. Cover

450ST (4"-10") Parts/Repair Kits

450ST

Stainless Steel Double Check - Backflow Preventers - 4" to 10"

Where to Buy

Product Number	Description	Shop Parts
RK4-350	Rubber Kit, 4"	Where to Buy
BRK4-SSLBF-SEAT1RTNR	Bulk Seat Retainer Kit, 4"	Where to Buy Buy Online
RK4-450STCK4	#1 and #2 Check Assembly Kit, 4"	Where to Buy

Diagram #	Product Number	Description	Shop Parts
	RK4-350AST-COVRPLATE	Cover Plate Kit, 4" and 6"	Where to Buy

Diagram #	Product Number	Description	Shop Parts
	BRK6-SSLBF-SEAT1RTNR	Bulk Seat Retainer Kit, 6" 450ST	Where to Buy Buy Online
	RK6-450STCK4	#1 and #2 Check Assembly Kit, 6"	Where to Buy

Product Number	Description	Shop Parts
RK8-450STCK1	#1 and #2 Check Assembly Kit, 8" - 10"	Where to Buy
RK8-350	Rubber Kit, 8" - 10"	Where to Buy
RK8-350-COVERPLATE	Cover Plate Kit, 8" - 10"	Where to Buy

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