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 Table 2-2. Compressed Air System Control Valves.
Valve
Service
Location
Label
No.
inscription
1
No. 1 compressor relief valve, set at 265 psi.
Stbd. side, above engineroom floor, frame 20.
2
No. 1 compressor discharge valve.
Stbd. side, above engineroom floor, frame 21.
COMP. OUTLET
3
No. 2 compressor relief valve, set at 265 psi.
Near centerline, above engineroom floor, frame 20.
4
No. 2 compressor discharge valve.
Near centerline, above engineroom floor, frame 21.
COMP. OUTLET
5
No. 2 air tank inlet valve.
Stbd. side, below main deck, frame 21.
AIR TO TANK
6
No. 1 air tank inlet valve.
Stbd. side, below main deck, frame 22.
AIR TO TANK
7
No. 2 air tank drains (2).
Port and stbd. sides below air tank, frame 21.
BLOW OUT
8
No. 2 air tank outlet.
Portside, below main deck, frame 21.
AIR FROM TANK
9
No. 2 air tank to pressure gage.
Portside, below main deck. frame 21.
GAGE BD.
10
No. 1 air tank drains (2).
Port and stbd. sides below air tank, frame 23.
BLOW OUT
11
No.1 air tank outlet.
Portside, below main deck, frame 22.
AIR FROM TANK
12
No. 1 air tank to pressure gage.
Portside, below main deck, frame 23.
GAGE BD.
13
Moisture separator drain valve.
Portside, below main deck, frame 26.
MOIST. DRAIN
14
Air line to gage board.
Near centerline, below main deck. frame 26.
GAGE BD.
15
Air to engine.
Near centerline, below air tank. frame 26.
AIR TO ENG
16
Sea chest blowout branch.
Portside, below engineroom floor, frame 22.
S. C. BLOW
17
Sea chest blowout branch.
Stbd. side. below engineroom floor, frame 27.
S. C. BLOW
18
Sea chest blowout branch.
Portside, below engineroom floor, frame 31
S. C. BLOW
19
Sea chest blowout branch.
Portside, below engineroom floor, frame 25
AIR TO SEA CHESTS
20
Ship's service air hose.
Stbd. side, above engineroom floor, frame 41.
AIR HOSE
21
Ship's service 50 psi air supply.
Portside, at bulkhead, at engineroom floor, frame 26.
50# AIR SUPPLY
22
Outlet from 250-50 psi reducing station.
Portside, above engineroom floor, frame 26.
50 # AIR SHUTOFF
23
Reducing valve for 250-50 psi reducingt station.
Portside, above engineroom floor, frame 26.
24
Strainer drain in 250-50 psi reducing station.
Portside, above engineroom floor, frame 26.
25
Inlet to 250-50 psi reducing station.
Portside. Above engineroom floor, frame 26.
250# TO 50# AIR
26
Bypass for 250-50 psi reducing station.
Portside, above engineroom floor, frame 26.
250#-50# BY-PASS
27
Inlet to 250-100 psi reducing station.
Near centerline. below whistle air tank, frame 30.
250# TO 100# AIR
28
Strainer drain in 250-100 psi reducing station.
Near centerline. below whistle air tank, frame 31.
29
Reducing valve for 250-100 psi reducing station.
Near centerline. below whistle air tank, frame 31.
30
Outlet from 250-100 psi reducing station.
Near centerline, below whistle air tank, frame 31.
100# AIR SHUTOFF
31
Bypass for 250-100 psi reducing station.
Near centerline, below whistle air tank, frame 30.
BY-PASS 250#-100#
32
Inlet to whistle air tank.
Near centerline, at whistle air tank, frame 32.
AIR TO WHISTLE TANK
33
Whistle air tank drain.
Near centerline, below whistle air tank, frame 31.
DRAIN
34
Engineroom air tools.
Portside. At bulkhead, above engineroom floor,
AIRTOOLS
frame 32.
35
Main deck air tools.
Portside. above main deck. frame 32.
AIR TOOLS
36
Whistle tank relief valve set at 110 lb.
Near centerline. at whistle tank. frame 30.
37
Air to whistle.
Near centerline, below main deck, frame 29.
AIR TO WHlISTLE
38
Sea chest blowout branch
Portside, near bulkhead. At engineroom floor,
S C. BLOW
frame 32
2-15
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