Emerson ANDERSON GREENWOOD 4020HP, Инструкции по установке, эксплуатации и обслуживанию

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ANDERSON GREENWOOD 4020HP PRESSURE AND VACUUM RELIEF VALVE
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
HP Vacuum Pallet
Remove nut [8], washer where used [7], to
release stem [9] from assembly. Separate
pallet disk [6], diaphragm [5], backing disk [4],
spacer disk [3], disk [2], pallet [1], support plate
where fitted [10] and any weights taking care to
identify weights removed to help reassembly.
NOTES
Figure 5
Washer item [7] not fitted to 2" (50 mm) and
3" (75 mm) sizes and; Support plate [10] used on
8" (200 mm), 10" (250 mm) and 12" (300 mm) only
Figure 5
For HP vacuum pallets subject to 2.91 psig
(200 mbar) or more in service positive pressure,
use diaphragm plate and diaphragm construction
as per spring loaded pallet shown in Figure 2.
FIGURE 5 (See Notes)
HP Vacuum Pallet
SUPPORT PLATE (10)
DISK (2)
SPACER DISK (3)
BACKING DISC (4)
DIAPHRAGM (5)
PALLET DISK (6)
PALLET (1)
TABLE 2 - VACUUM PALLET RANGES, inch
TABLE 3 - VACUUM PALLET RANGES, mm
Nominal Size Trim Material
VLP Pallet LP Pallet HP Pallet
From To (inc) Above To (inc) Above To
50
Aluminium 30 61 61 178 178 2540
316 SST 64 147 147 356 356 2540
75
Aluminium 28 43 43 178 178 2540
316 SST 64 99 99 356 356 2540
100
Aluminium 28 41 41 178 178 2540
316 SST 64 89 89 356 356 2540
150
Aluminium 28 51 51 178 178 2540
316 SST 64 112 112 356 356 2540
200
Aluminium 28 58 58 305 305 2540
316 SST 64 122 122 508 508 2540
250
Aluminium 28 66 66 330 330 2540
316 SST 64 117 117 559 559 2540
300
Aluminium 28 53 53 356 356 2540
316 SST 64 112 112 610 610 2540
Nominal Size Trim Material
VLP Pallet LP Pallet HP Pallet
From To (inc) Above To (inc) Above To
2
Aluminium 1.2 2.4 2.4 7.0 7.0 100
316 SST 2.5 5.8 5.8 14.0 14.0 100
3
Aluminium 1.1 1.7 1.7 7.0 7.0 100
316 SST 2.5 3.9 3.9 14.0 14.0 100
4
Aluminium 1.1 1.6 1.6 7.0 7.0 100
316 SST 2.5 3.5 3.5 14.0 14.0 100
6
Aluminium 1.1 2.0 2.0 7.0 7.0 100
316 SST 2.5 4.4 4.4 14.0 14.0 100
8
Aluminium 1.1 2.3 2.3 12 12 100
316 SST 2.5 4.8 4.8 20 20 100
10
Aluminium 1.1 2.6 2.6 13 13 100
316 SST 2.5 4.6 4.6 22 22 100
12
Aluminium 1.1 2.1 2.1 14 14 100
316 SST 2.5 4.4 4.4 24 24 100
8
2
5 4 8 7 6
3
9
1
10