substitution request - Alliance Construction Solutions

1. Handwheels, fastened to valve stem, for valves other than quarter turn type.
2. Lever handle on quarter turn valves 6 inch and smaller, except plug valves.
Provide one wrench for every group of plug valves within a room.
3. Chainwheel operators for valves 2-1/2 inch and larger that are installed 7’-0” or
higher above finished floor elevation. Provide chains to an elevation of 6’-3”
above finished floor elevation.
4. Worm gear operators of an enclosed weather-proof design shall be provided on
all quarter turn valves 8 inches and larger.
F. Extended Stems: Where insulation is indicated or specified, provide extended stems to
allow full operation of the valve without interference by the insulation.
G. Bypass and Drain Connections: Comply with MSS SP-45.
H. End Connections: As specified in the individual valve specifications.
2.03 GATE VALVES:
1. Threaded: Comply with ANSI B2.1.
2. Flanged: Comply with ANSI B16.1 for cast iron, ANSI B16.5 for steel, and ANSI
B16.24 for bronze.
3. Solder-Joint: Comply with ANSI B16.18.
Project No.: 10145
550 15 th Street Dual Brand Hotel
03/16/2012
a. Caution: Where soldered end connections are used, use solder having a
melting point below 840°F for gate, globe, and check valves and below
421°F for ball valves.
4. Grooved: Comply with manufacturer’s standards.
A. Gate Valves – 2” and smaller: MSS SP-80, Class 150, body and bonnet of cast bronze conforming to
ASTM B-62 for 150 psi, threaded ends, solid wedge disc, union bonnet, rising stem, bronze gland, nonasbestos
TFE impregnated packing, and malleable iron handwheel.
Stockham Fig. B-120/B-122
B. Gate Valves – 2-1/2” and larger: MSS SP-70, Class 125, iron body conforming to ASTM
A-126 C1 B, bronze trim, 0 S & Y design, flanged ends, and non-asbestos TFEimpregnated
packing.
2.04 BALL VALVES:
Stockham Fig. G-623
A. Ball Valves – 1” and smaller: MSS SP-110, ANSI B16.34, Class 150 WSP / 600 WOG,
rated for 150 psi at 350°F, two-piece end-entry body style, bronze body conforming to
ASTM B-584 (zinc content not exceeding 12%), full-port chrome-plated solid brass ball,
15% glass reinforced RTFE seats, RTFE packing, adjustable packing nut, blow-out proof
stem, and vinyl-covered steel handle. Provide solder ends or threaded ends to match
piping system.
Apollo 77C-100/200
23 0523 - 3 GENERAL-DUTY VALVES FOR
HVAC PIPING