Design and Construction Handbook - Los Angeles World Airports

Guide Specification
D. Class 150, NRS, Ductile-Iron Gate Valves:
1. Manufacturers:
a. Nibco.
b. Crane.
c. Powell.
2. Description:
a. Standard: MSS SP-70, Type I.
b. CWP Rating: 285 psig.
c. Body Material: ASTM A 395, ductile iron with bolted bonnet.
d. Ends: Flanged.
e. Trim: Bronze.
f. Disc: Solid wedge.
g. Packing and Gasket: Asbestos free.
E. Class 150, OS&Y, Ductile-Iron Gate Valves:
1. Manufacturers:
a. Nibco.
b. Crane.
c. Powell.
2. Description:
2.2 GLOBE VALVES
a. Standard: MSS SP-70, Type I.
b. CWP Rating: 285 psig.
c. Body Material: ASTM A 395, ductile iron with bolted bonnet.
d. Ends: Flanged.
e. Trim: Bronze.
f. Disc: Solid wedge.
g. Packing and Gasket: Asbestos free.
A. Manufacturers:
1. Crane.
2. Milwaukee.
3. Nibco.
B. 2 inches and Smaller: MSS SP 80, Class 125, bronze body, bronze trim, threaded bonnet, hand
wheel, Buna-N composition disc, solder or threaded ends.
GENERAL-DUTY VALVES FOR PLUMBING PIPING
22 05 23 - 3 Plumbing Systems