j.
Makeup steam - Design
[_____] kg/hour kPa (2.79 MJ/kg)
a.
Outlet Capacity Design
[_____] lb/hour.
b.
Outlet Capacity - Operating
[_____] lb/hour.
c.
[_____] psig.
d.
Design Pressure
[_____] psig
e.
Storage Tank Cap
[_____] gal at centerline. (Normal
Level)
f.
Operating Temperature
[_____] degrees F.
g.
Pumped Condensate - Operating
[_____] lb/hour at degrees F liq.
h.
Pumped Condensate - Design
[_____] lb/hour at degrees F liq
(min temp).
i.
Makeup steam - Operating
[_____] lb/hour psig (1200 Btu/lb).
j.
Makeup steam - Design
[_____] lb/hour psig (1200 Btu/lb).
2.6.2
Detail Specifications
**************************************************************************
NOTE: In general, use tray system for fluctuating
loads and the spray system for steady loads.
**************************************************************************
Heater shall be spray type with spray valve vent condenser per ASME BPVC
SEC I and shall be designed for [_____] kPa psig working pressure.
Deaerator shall be ASME stamped. All steel plate used in construction of
the heater and storage tank shells shall be ASTM A 285/A 285M Grade C.
Where thickness makes it desirable, ASTM A 515/A 515M or ASTM A 516/A 516M
steel may be used as appropriate. At least 2.0 mm 1/16 inch corrosion
allowance shall be included over the calculated ASME Code thickness.
Heater and storage tank shall be tested at a pressure 50 percent in excess
of the design pressure. Heater shall be designed so that corrosive gases
do not come in contact with the outer shell or heads of the unit. However,
units not complying with this provision will be accepted providing the
upper head and the heater shell sections in contact with gases are clad
with 304 stainless steel, 2.0 mm 1/16 inch minimum thickness. Heater shall
be provided with adequate supports, manholes, gauge glasses denoting full
water travel in the storage section, and all other connections as necessary
for a complete working unit, along with those called out as accessories.
Heater shall be provided with an internal vent condenser fabricated
entirely of stainless steel which shall include a vent hood and vent
orifice or separate vent valve. Heater section shall contain spring-loaded
spray valves mounted in a stainless steel water box and a stainless steel
vent condenser. Spray valves shall be constructed of 18/8 stainless steel
and provide a constant angle of spray at ranges from 10 to 150 percent of
capacity. Valves shall be hydraulically balanced, thus requiring no guides
that might bind, scale, or otherwise clog. Spray valves shall be located
to allow their servicing, inspection, and removal. Maximum tank dimensions
shall be [_____] outside diameter. Internal parts of the deaerating
heater, including baffles, distributing nozzles, vent pipe, and vent
collecting hood shall be constructed of heavy gauge stainless steel. A
SECTION 15846A
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