substitution request - Alliance Construction Solutions

B. Ball Valves – 1-1/4” through 2” and for all silver soldered or brazed lines: MSS SP-110,
ANSI B16.34, Class 150 WSP / 600 WOG, rated for 150 psi at 350°F. Three-piece body
style, bronze body conforming to ASTM B-584 (zinc content not exceeding 12%), single
full-port stainless steel ball and stem of ASTM A-276 type 316, 15% glass reinforced RTFE
seats, RTFE packing, blow-out proof stem, and vinyl-covered steel handle. Provide solder
ends or threaded ends to match piping system.
Apollo 82-100/200.
2.05 ECCENTRIC PLUG BALANCING VALVES:
A. All Sizes: 125 psi rated; cast iron, corrosion-resistant, permanently lubricated body;
straightway pattern; EPDM encapsulated eccentric plug; lever actuators, except
handwheels where indicated; and flanged ends. Provide memory stop feature.
Milliken 600 series.
B. 2” and smaller: At contractors option, provide combination flow measuring device and
balancing valve, complete with venturi flow meter on P/T port, and ball valve for control;
125 psi rated. Provide memory stop feature. Refer to Section 230519, “Meters and
Gages for HVAC Piping.”
2.06 GLOBE VALVES:
A. HVAC Systems – 2” and smaller: MSS SP-80, Class 150 body, bonnet, bonnet ring cast of
bronze conforming to ASTM B-62, stainless steel 500 BHN disc, union bonnet, nonasbestos
Teflon-impregnated stem packing, copper-silicon bronze stem, brass packing
gland, and malleable iron handle.
Stockham Fig. B-29/B-74
B. HVAC Systems – 2-1/2” and larger: MSS SP-85, Class 125, body of cast iron conforming
to ASTM A-126 Class B, bolted bonnet bronze mounted, rising stem / Teflon disc with
bronze disc holder or bronze disc, OS & Y, non-asbestos Teflon-impregnated stem
packing, and cast iron or malleable iron hand wheel.
2.07 BUTTERFLY VALVES:
Stockham Fig. G-512/F-532
A. Hydronic Service Butterfly Valves – 2-1/2” to 12”: MSS SP-67; Class 150 cast iron or
ductile iron body conforming to ASTM A-126 or ASTM A-536 Class B; aluminum bronze
ASTM B-148 disc; single-piece 416 stainless steel stem; 316 stainless steel taper pin discto-stem
connection; ten-position lever locking handle for 6” and smaller sizes, worm gear
actuator for 8” and larger sizes; EPDM replaceable seat and full FDA-approved EPDM
lining; upper and lower bronze bearing, nonmetallic bushing and stem seal; ANSI class
150 flange rated for 200 psi pressure differential; 250 psi bi-directional drop-tight shut-off
dead end service with downstream flange removed; 250°F service temperature rating; and
extended neck for 2” thick insulation. All valves shall be factory tested to 110% of pressure
rating. All butterfly valves shall have fully lugged body, drilled and tapped.
Project No.: 10145
550 15 th Street Dual Brand Hotel
03/16/2012
23 0523 - 4 GENERAL-DUTY VALVES FOR
HVAC PIPING