115.6001.10
- 8 -
1.2.6
Corrosion Resistant Enclosure (See Figure 4)
The enclosure consists of six pieces; a bottom and a top, two sides and a front and back bezel. The
bezels are pressure-formed ABS and the sides, top and bottom are structural foam plastic. Easy
removal of the front bezel exposes all control and monitoring components. The back bezel is provided for
safe covering of all control components and magnetic contactor. The enclosure is easily cleaned with
any household cleaner and a damp cloth.
1.3
Specifications
1.3.1
Electrical Requirements:
Voltage: 240, 380, 480, 575 Vac, 50/60 Hz, 1 or 3 phase
Power Consumption: Heater wattage is based on the maximum vaporization requirements of the unit.
See Table I.
Table I - Capacities/Heater Wattage
Notes:
1. All internal heater wiring is sized per NEC requirements.
2. Each chemical has different rates of vaporization, resulting in the capacities listed in Table I.
3. Control Circuit Voltage-120 Vac, 60 Hz or 240 Vac, 50 Hz
4. Control Circuit Power Consumption - The vaporizer is supplied with dry contacts as standard. Field
attached indicators (horns, lights, etc.) vary in power consumption, therefore, refer to the manufacturer’s
specifications for specific wattage usage.
NOTE
: See note on 115.3020 and 115.3021 regarding current ratings of contacts when used to directly
power indicators. A 10 amp fuse is recommended to protect this circuit.
1.3.2
Mechanical Requirements:
Chamber
- The gas vaporization chamber is manufactured from 6" ASTM SA-53-B seamless carbon
steel pipe. All welds are in accordance with ASME boiler and pressured vessel codes, Section VIII,
Division I. Both inlet and outlet connections are 1" NPTF.
Tank
- The water tank is constructed of stainless steel and holds a minimum of 37 gallons (140 liters)
of water. PVC foam 1/2" (13 mm) thick surrounds all exterior surfaces to insulate from excessive
heat loss.
Pressure Reducing Valve
-See Bulletins 115.6010 and 115.3011
Pressure Relief Valve
- The relief valve is designed to relieve at 250 psig (1700 kPa/17 bar). It is
mounted downstream of a rupture disc assembly which is designed to rupture at 250 psig (1700 kPa/
17 bar). An optional pressure switch or gauge may be installed between the relief valve and rupture
disc to indicate a ruptured disc condition. (See Bulletin 115.6020)
Liquid Expansion Chamber
- The expansion chamber is designed to permit a gaseous “air" pad in the
liquid line to prevent excessive over pressure in the liquid line. It is mounted downstream of a rupture
disc assembly designed to rupture at 400 psig (2760 kPa/27 bar). An optional pressure switch or gauge
may be installed between the rupture disc and expansion chamber to indicate a ruptured condition
(Figure 14). The chamber conforms to D.O.T. Spec. 3AA1800. See Bulletin 115.3005.
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Содержание VAX4600 Series
Страница 4: ...115 6001 10 4...
Страница 6: ...115 6001 10 6 Figure 1 Vaporizer Flow Diagram Figure 2 Chemical Boiling Points at System Pressure...
Страница 9: ...9 115 6001 10 Figure 4 Cabinet Dimensions Utility Connection Locations...
Страница 12: ...115 6001 10 12 Figure 6 Vaporizer Piping Connections...
Страница 17: ...17 115 6001 10 Figure 8 Chlorine and Sulfur Dioxide Vaporizer Components...
Страница 24: ...115 6001 10 24 Figure 10 Replacing Heater Element...
Страница 26: ...115 6001 10 26...
Страница 27: ...27 115 6001 10...
