2.1.16
Tape
2.1.16.1
Threaded Pipe Joint
ASTM D 3308.
2.1.16.2
Pipe Joint Coating
AWWA C203.
2.1.17
Tile, Load Bearing, Hollow
ASTM C 34, Grade LPX.
2.1.18
Traps, Steam and Air
ASTM F 1139.
2.1.19
Thermometer
Unless otherwise specified, thermometer shall be dial type, 90 mm 3-1/2
inch diameter, chromium plated case for indoor use and stainless steel for
outdoor use, remote or direct type bulb as required, with plus or minus 0.5
Degrees C 1 degree F accuracy and white face with black digits in 2 degree
increments. Well and temperature range shall be suitable for use
encountered. Thermometer shall be installed so as to be easily read from
the operating floor. Mercury shall not be used in thermometers.
2.1.20
Valve
**************************************************************************
NOTE: Valves operating above 170 kPa/130 degrees C
(25 psig/267 degrees F) will be minimum Class 150.
Pressure class will be suitable for intended service.
**************************************************************************
2.1.20.1
ASTM A 126 and ASTM A 278/A 278M as applicable.
2.1.20.2
Check, Globe, Angle, and Gate
a.
Sizes 40 mm 1-1/2 inches and smaller that are operating at or
below 170 kPa 25 psig and also operating at or below 130 degrees C
267 degrees F, saturation temperature at 170 kPa 25 psig shall be
bronze, MSS SP-80, Class 125 with threaded connections.
b.
Sizes 40 mm 1-1/2 inches and smaller operating above either 170
kPa 25 psig or 130 degrees C 267 degrees F, saturation temperature
at 170 kPa 25 psig, shall be [forged] [cast] steel, stainless
steel trim, rising stem, Class [_____] with handwheels.
Connections shall be [socket weld] [threaded] end connections.
c.
Sizes 50 mm 2 inches and larger shall be cast steel, stainless
steel trim, rising stem, outside screw and yoke, Class 150 with
handwheels. Connections shall either be butt weld or flanged.
SECTION 15561A
Page 23
Previous Page
