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API 595 - CAST-IRON GATE VALVES, FLANGED ENDS - SECOND EDITION; ERRATA: 1/1984 Organization: API
Date: 1979-04-01
Description: This standard covers flanged cast-iron gate valves in sizes NPS 2 through 24 correspnoding th nominal pipe sozes in ANSI B36.10.
API 604 - DUCTILE IRON GATE VALVES, FLANGED ENDS - FOURTH EDITION Organization: API
Date: 1981-08-01
Description: This standard covers ductile iron gate valves with flanged ends, in sizes NPS 1 ½ through 24, corresponding to nominal pipe sizes in ANSI B36.10. This standard covers valves in Classes 150 and 300, as specified in ANSI B16.42.
ASTM A338 - STANDARD SPECIFICATION FOR MALLEABLE IRON FLANGES, PIPE FITTINGS, AND VALVE PARTS FOR RAILROAD, MARINE, AND OTHER HEAVY DUTY SERVICE AT TEMPERATURES UP TO 650°F (345°C) Organization: ASTM
Date: 1984-03-08
Description: This specification covers malleable iron flanges, pipe fittings, and valve parts, including parts to be assembled for use in railroad, marine, and other heavy duty service applications where fittings furnished in accordance with American National Standard for Malleable Iron Threaded Fittings, Class 150 and 300 (ANSI B16.3) are not considered adequate.
AWWA M49 - QUARTER-TURN VALVES: HEAD LOSS, TORQUE, AND CAVITATION ANALYSIS - THIRD EDITION; INCORPORATES ERRATA: MAY 1, 2017 Organization: AWWA
Date: 2017-01-01
Description: Rotary cone valves in sizes 6 in. thru 84 in. and pressure ratings of 125 cold working pressure (CWP) or 275 CWP in cast- or ductile-iron construction or ANSI Classes 150 and 300 in steel construction are often used in this industry and referenced in other AWWA manuals of standard practices, such as M44.
AWWA C518 - DUAL-DISC SWING-CHECK VALVES FOR WATERWORKS SERVICE Organization: AWWA
Date: 2013-01-20
Description: Ductile-iron pressure ratings. The minimum design working water pressure for ductile-iron valves shall be 250 psig (1,380 kPa) for 2-in. through 48-in. (50-mm through 1,200-mm) sizes.

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