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API - API STD 609 - BUTTERFLY VALVES: DOUBLE-FLANGED, LUG-AND WAFER-TYPE - EIGHTH EDITION Organization: API
Date: 2016-02-01
Description: a) Category A—Manufacturer’s rated cold working pressure (CWP) butterfly valves, usually with a concentric disc and seat configuration. Sizes covered are NPS 2 to NPS 48 for valves having ASME Class 125 or Class 150 flange bolting patterns.
API - API STD 623 - STEEL GLOBE VALVES—FLANGED AND BUTTWELDING ENDS, BOLTED BONNETS - FIRST EDITION Organization: API
Date: 2013-09-01
Description: This standard sets forth the requirements for the following globe valve features: — bolted bonnet, — outside screw and yoke, — rotating rising stems, and nonrotating rising stems, — rising handwheels and nonrising handwheels, — conventional, y-pattern, right-angle, — stop-check (nonreturn type globe valves in which the disc may be positioned against the seat by action of the stem, but is free to rise as a check valve due to flow from under the disc, when the stem is in a full or partially open position), — plug, narrow, conical, ball, or guided disc, — metallic seating surfaces, — flanged or butt-welding ends.
EEMUA PUB NO 184 - GUIDE TO THE ISOLATION OF PRESSURE RELIEVING DEVICES - EDITION 2 Organization: EEMUA
Date: 2009-05-01
Description: The term 'relief/relieving device' normally refers to a safety/relief valve, bursting disc or other mechanical relieving device. Important: None of the comments or recommendations made in this guide removes from the designer and/or user the responsibility of ensuring that the relief device installation is safe and that it complies with the applicable national and industry standards and regulatory requirements.
API - API RP 576 - INSPECTION OF PRESSURE-RELIEVING DEVICES - THIRD EDITION Organization: API
Date: 2009-11-01
Description: This publication covers such automatic devices as pressure-relief valves, pilot-operated pressure-relief valves, rupture disks, and weight-loaded pressurevacuum vents.

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