Apollo Precision Tools Valves 4S-100 User Manual

Conbraco Industries, Inc. P.O. Box 247Matthews, NC 28106Phone: (704) 841-6000Fax 704-841-6020www.conbraco.comBFMM40011-08COVERING MODELS: 4

9METHOD 2NOTE:Test set-up is illustrated in Figure 7 for 1/2"through 2" and Figure 8 for 2-1/2 through 10".EQUIPMENT REQUIRED:Different

10FIGURE 7

11FIGURE 8

12Parts Listing 1/2" (Bronze)8459107632Double Check Backflow Preventer ITEM NO. DESCRIPTION QUANT

131/2" 4S-103 Double Check Valve ITEM NO. PARTS LIST. DESCRIPTION QUANTITY

141234567891011Parts Listing 3/4" - 2" (Bronze)

1540-100Double Check Backflow Preventer ITEM NO. DESCRIPTION QUANTITY PART NO.

16Parts Listing 3/4" - 2" (Bronze) Top Entry7654101119238

1740-100-T SERIESTOP ENTRY DOUBLE CHECK VALVE ASSEMBLY ITEM NO. DESCRIPTION QUANTITY

18Parts Listing 2-1/2" - 10" (Ductile Iron)2 1/2" - 3" - 4" DCV

1TABLE OF CONTENTSDouble Check Valve Backflow Preventer 1/2" - 10" &Double Check Detector Assembly 3" - 10"

19DCVParts List ITEM NO. DESCRIPTION QUANTITY PART NO.

206" - 8" - 10" DCV

21DCVParts List ITEM NO. DESCRIPTION QUANTITY PART NO.

22Notes:1. Use P/N W-7062-00 for meter in cubic feet register. Use P/N W-7094-00 for meter in gallons register.3" - 4" D

23DCDAParts List ITEM NO. DESCRIPTION QUANTITY PART NO.

24Notes:1. Use P/N W-7062-00 for meter in cubic feet register. Use P/N W-7094-00 for meter in gallons register.6" - 8” - 10&

25DCDAParts List ITEM NO. DESCRIPTION QUANTITY PART NO.

26Conbraco Industries Statement ofWarranty & Limitation of LiabilityConbraco Industries Inc. warrants, to its initial purchaser only, that its pro

2The Double Check Valve (DCV) device consists of twoindependently acting, spring loaded check valves. Tworesilient seated shut-off valves and four tes

3(No Flow Condition)FIGURE 5Double Check Detector Assembly (DCDA)The DCDA device consists of a mainline DCV and a by-pass assembly consisting of an ap

4A. Disassembly — Check Valves1. Close #2 shut off valve, then close #1 shut-off valve.2. Bleed pressure from the assembly by opening #2,#3, and #4

5Disassembly 1. Close inlet and outlet shut-off valves2. Bleed pressure from the assembly by opening#2, #3, and #4 test cock.3. Unscrew and remove

6A. Disassembly — Check Valves1. Close #2 shut-off valve, then close #1 shut-off valve.2. Bleed pressure from the assembly by opening #2,#3, and #4

7TEST NO. 2:Purpose:To test check valve #2 for tightness against reverse flow.Requirement:The valve shall permit no through leakage in adirection reve

8DOUBLE CHECK VALVE