2.2.2
Bronze Flanges and Flanged Fittings
ANSI B16.24.
2.2.3
Solder-Joint Fittings
ASME B16.22, wrought copper.
2.2.4
Unions
FS WW-U-516, solder joint.
2.2.5
Dielectric Union
Provide insulated union with a galvanized steel female pipe-threaded end
and a copper solder joint end conforming to ASME B16.39, Class 1. Provide
a dry insulation barrier, impervious to water and capable of withstanding a
600 volt breakdown test and limiting galvanic current to one percent of the
short circuit current in a corresponding bimetallic joint.
2.2.6
Expansion Joints
2.2.6.1
Bellow Expansion Joints
**************************************************************************
NOTE: In corrosive atmospheric conditions such as
oceanic air, use only nickel-chromium-iron alloy
bellows.
**************************************************************************
Corrugated, [unreinforced] [or] [with [reinforcing] [or] [equalizing]
rings], and [single-bellow] [double-bellow] expansion joints. Construct
bellows of [copper alloy] [nickel-chromium-iron alloy, conforming to ASTM B
168] [or] [stainless steel].
2.2.6.2
Guided Slip-Tube Expansion Joints
[Ring packing with seal to allow repacking under pressure] [Permanent
packless seal], [internally] [internally and externally] guided, and
[single] [double] slip-tube. Provide drain port in the housing. [For
packless seal, provide a Type 304 or 321 stainless steel bellows with
laminated or multi-ply construction.]
2.3
VALVES
[Provide end connections as indicated.]
Valves shall open when turned
counterclockwise.
2.3.1
MSS SP-80, bronze, Class 150; [Type 1, solid wedge non-rising stem] [or]
[Type 2, solid wedge, inside screw rising stem]; with solder, threaded, or
flanged ends.
2.3.2
Globe and Angle Valves
MSS SP-80, bronze, Class 150; [Type 1, metal disc integral seat] [or] [Type
2, non-metallic disc, integral seat]; with solder, threaded, or flanged
SECTION 13610N
Page 11
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