Buying Guide
112
NIBCO INC. WORLD HEADQUARTERS • 1516 MIDDLEBURY ST. • ELKHART, IN 46516-4740 • USA • PH: 1.800.234.0227
TECH SERVICES PH: 1.888.446.4226 • FAX: 1.888.336.4226 • INTERNATIONAL OFFICE PH: +1.574.295.3327 • FAX: +1.574.295.3455
www.nibco.com
Visit our website for the most current information.
www.nibco.com
AHEAD OF THE FLOW
®
Revised 7/20/2018
Reference Specifications
NOTE: WW-V-51, WW-V-54, WW-V-58 have been cancelled and replaced by
the corresponding MSS Specifications.
BRONZE
Federal Specification WW-V-51e Class A, Type I Covers 125 Ib. S.W.P.
Globe Valves (MSS SP-80).
Federal Specification WW-V-51e Class A, Type II Covers 125 Ib. S.W.P.
Angle Valves (MSS SP-80).
Federal Specification WW-V-51e Class A, Type IV Covers 125 Ib. S.W.P.
Swing Check Valves (MSS SP-80).
Federal Specification WW-V-51e Class B, Type I Covers 150 Ib. S.W.P.
Globe Valves (MSS SP-80).
Federal Specification WW-V-51e Class B, Type II Covers 150 Ib. S.W.P.
Angle Valves (MSS SP-80).
Federal Specification WW-V-51e Class B, Type IV Covers 150 Ib. S.W.P.
Swing Check Valves (MSS SP-80).
Federal Specification WW-V-51e Class C, Type I Covers 200 Ib. S.W.P.
Globe Valves (MSS SP-80).
Federal Specification WW-V-54d Class A, Type I Covers 125 Ib. S.W.P.
Wedge Disc, Non-Rising Stem Gate Valves (MSS SP-80).
Federal Specification WW-V-51e Class C, Type II Covers 200 Ib. S.W.P.
Angle Valves (MSS SP-80).
Federal Specification WW-V-51e Class C, Type IV Covers 200 Ib. S.W.P.
Swing Check Valves (MSS SP-80).
Federal Specification WW-V-54d Class A, Type II Covers 125 Ib. S.W.P.
Wedge Disc, Rising Stem, Inside Screw Gate Valves (MSS SP-80).
Federal Specification WW-V-54d Class A, Type III Covers 125 Ib. S.W.P.
Double Disc, Rising Stem, Inside Screw Gate Valves (MSS SP-80).
Federal Specification WW-V-54d Class B, Type I Covers 150 Ib. S.W.P.
Wedge Disc, Non-Rising Stem Gate Valves (MSS SP-80).
Federal Specification WW-V-54d Class B, Type II Covers 150 Ib. S.W.P.
Wedge Disc, Rising Stem, Inside Screw Gate Valves (MSS SP-80).
Federal Specification WW-V-54d Class B, Type III Covers 150 Ib. S.W.P.
Double Disc, Rising Stem, Inside Screw Gate Valves (MSS SP-80).
Federal Specification WW-V-54d Class C, Type I Covers 200 Ib. S.W.P.
Wedge Disc, Non-Rising Stem Gate Valves (MSS SP-80).
Federal Specification WW-V-54d Class C, Type II Covers 200 Ib. S.W.P.
Wedge Disc, Rising Stem, Inside Screw Gate Valves (MSS SP-80).
Federal Specification WW-V-35b Covers 150 Ib. S.W.P. Ball Valves.
IRON
Federal Specification WW-V-58b Class 1, Type I Covers 125 Ib. S.W.P.
Wedge Disc, OS&Y, Screwed End, Cast Iron Gate Valves (MSS SP-70).
Federal Specification WW-V-58b Class 2, Type I Covers 250 Ib. S.W.P.
Wedge Disc, OS&Y, Screwed End, Cast Iron Gate Valves (MSS SP-70).
Federal Specification WW-V-58b Class 1, Type I Covers 125 Ib. S.W.P.
Non-Rising Stem, Inside Screw, Screwed End, Cast Iron Gate Valves
(MSS SP-70).
Federal Specification WW-V-58b Class 2, Type I Covers 250 Ib. S.W.P.
Non-Rising Stem, Inside Screw, Screwed End, Cast Iron Gate Valves
(MSS SP-70).
Federal Specification WW-V-58b Class 1, Type I Covers 125 Ib. S.W.P.
OS&Y, Flanged End, Cast Iron Gate Valves (MSS SP-70).
Federal Specification WW-V-58b Class 2, Type I Covers 250 Ib. S.W.P.
OS&Y, Flanged End, Cast Iron Gate Valves (MSS SP-70).
Federal Specification WW-V-58b Class 1, Type I Covers 125 Ib. S.W.P.
Non-Rising Stem, Inside Screw, Flanged End, Cast Iron Gate Valves
(MSS SP-70).
Federal Specification WW-V-58b Class 2, Type I Covers 250 Ib. S.W.P.
Non-Rising Stem, Inside Screw, Flanged End, Cast Iron Gate Valves
(MSS SP-70).
STANDARDS–FOR INFORMATION PURPOSES ONLY
MSS SP-25 Standard Marking System for Valves, Fittings, Flanges and
Unions.
MSS SP-45 Covers By-Pass and Drain Connections.
MSS SP-67 Covers Butterfly Valves of the Single Flange Type (Lug
Wafer).
MSS SP-67 Covers Butterfly Valves of the Flangeless Type (Wafer).
MSS SP-70 Covers Cast Iron Gate Valves, Flanged and Threaded Ends.
MSS SP-71 Covers Cast Iron Swing Check Valves, Flanged and Threaded
Ends.
MSS SP-72 Covers Ball Valves with Flanged or Butt-Welding Ends for
general service.
MSS SP-80 Covers Bronze Gate, Globe, Angle and Check Valves.
MSS SP-85 Covers Cast Iron Globe and Angle Valves, Flanged and
Threaded Ends.
MSS SP-110 Covers Ball Valves, Threaded, Socket-Welding, Solder Joint,
Grooved and Flared Ends.
ASME Standard B1.1—The Unified Screw Threads Standard that covers
manufacturing tolerances of screw threads.
ASME Standard B1.20.1—This standard controls NIBCO pipe threads.
ASME Standard B2.4—This standard controls NIBCO hose coupling
screw threads.
ASME Standard B16.18—This standard controls NIBCO valve solder
cups.
ASME Standard B16.1—Covers cast iron pipe flanges and flanged fit-
tings (Class 125 and 250).
ASME Standard B16.10—Covers face-to-face and end-to-end dimensions
of ferrous valves.
MILITARY Standard MIL-V-18436—Applies to bronze and iron check
valves sizes 1/2"
thru 12".
NIBCO Federal code No. is 12168. It has been assigned to NIBCO by the
Defense Logistics Service Center, Battle Creek, Michigan. Used for
coding NIBCO as spare parts for valves used on other equipment.
NIBCO
®
valves are designed and manufactured to give maximum performance on recommended service at the lowest possible initial and
upkeep cost. They also meet or exceed the following specifications developed through years of experience, research and many thousands of
laboratory tests by technical researchers, producers, consumers, government agencies and universities.