1.1 This specification covers fittings, factory made from zirconium and zirconium alloys. The term welding fittings applies to butt-welding parts such as 45 and 90176 elbows, 180176 returns, caps, tees, reducers, lap-joint stub ends, and other types.
1.2 The values stated in either inch-pound or SI units are to be regarded separately as standard. The values stated in each system are not exact equivalents; therefore, each system must be used independently of the other. SI values cannot be mixed with inch-pound values.
1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
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