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SP-45-2020
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SP-45-2020

Bypass and Drain Connections

This Standard Practice establishes requirements for connections to valves and fittings to accommodate drains and bypasses in all pressure classes.
Specific requirements contained in this Standard Practice include: a) Standard symbols and locations of openings for drains and bypasses b) Standard sizes of drain and bypass openings c) Minimum pipe thread lengths in drain and bypass tapping’s d) Minimum diameter and depth of socketweld connection for drains and bypasses e) Butt-welding connections for drains and bypasses f) Bosses for drain and bypass connections g) Method for designating outlets of reducing fittings

     


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