BIS IS 15998 : 2013
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The latest, up-to-date edition.
CAST IRON, SPHEROIDAL/NODULAR CAST IRON AND CAST STEEL SCREW-DOWN STOP VALVES AND STOP AND CHECK VALVES FOR MARINE APPLICATIONS - SPECIFICATION
09-10-2013
Describes requirements for flanged cast iron, spheroidal/nodular cast iron and cast steel screw-down stop valves from 15 to 400 mm nominal sizes of the following types used for water, air and oil and steam up to 120 degrees C: a) Globe stop valve known as screw down screw lift valve (SDSL valve); b) Angle stop valve known as screw down screw lift valve (SDSL RA valve); c) Globe stop and check valve known as screw down non return valve (SDNR valve); and d) Angle stop and check valve known as screw down non return valve (SDNR RA valve).
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