DeZurik APCO AVV-1800 Buku Petunjuk - Halaman 8
Jelajahi secara online atau unduh pdf Buku Petunjuk untuk Unit Kontrol DeZurik APCO AVV-1800. DeZurik APCO AVV-1800 18 halaman. Dual body combination air valve with optional csv surge check valve
Halaman Cetak
DeZURIK
APCO AVV-1800/1800K Dual Body Combination Air Valve
with CSV Surge Check Valve
Maintenance (Continued)
ARV-50A/200A/200 Air Release Valve
See Figures 4-6 for part identification.
9. Remove cover bolts (R4) and cover (R2) from the valve body (R1).
Note: All internals are attached to the cover.
10. If cover gasket (R3) is torn or damaged, clean flange surfaces of cover (R2) and body (R1).
11. Clean and inspect all components attached to the cover (R2).
12. Inspect float (R10/R14) for the presence of water inside float. Replace float if damaged.
Surge Check Valve 3-24" (80-600mm) Only
See Figures 1-3 & 7 for part identification.
Replacement parts are not available for the 1-2" (25-50mm) Surge Check Valves. It is recommended to
replace the complete valve.
13. Remove studs (P2) and nuts (P3) and remove Air/Vacuum Valve body (A1) from Surge
Check Valve body (S1).
14. Loosen seat retaining screw (S7), located on the face of seat (S2). Push down plug (S3), to
compress spring (S4), then release plug to knock out seat.
15. Remove plug (S3), spring (S4), retaining ring (S6) and bushing (S5) from body (S1).
16. Clean all surfaces before re-assembly. Replace all defective parts.
Assembly Procedure
Surge Check Valve 3-24" (80-600mm) Only
See Figures 1-3 & 7 for part identification.
Replacement parts are not available for the 1-2" (25-50mm) Surge Check Valves. It is recommended to
replace the complete valve.
1. Install the parts inside the body (S1) in the following order:
a. Bushing (S5) at the center of the hub.
b. Spring (S4) centering on the bushing (S5).
Note: If conical spring, smaller diameter of spring should fit the outside diameter of bushing.
c. Plug (S3) with the concave side facing upward.
d. Seat (S2). Tighten seat retaining screw (S7) when flush with flange face.
2. If gasket (P1) is damaged, install new gasket making sure gasket fully covers the seat (S2)
face.
3. Assemble Air/Vacuum Valve body (A1) to Surge Check Valve body (S1).
ARV-50A/200A/200 Air Release Valve
See Figures 4-6 for part identification.
D12025
Page 8
June 2019