Standard

MSS SP-45

Revised

Note: This standard has a new edition: MSS SP-45

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Abstract

This Standard Practice covers connections to valves and fittings to accommodate drains and bypasses in all pressure classes. Specific requirements covered are: a) Standard Symbols and locations of openings for drains and bypasses. b) Standard size of drains and bypass openings. c) Minimum thread lengths in drain and bypass tappings. d) Minimum diameter and depth of socketweld connection for drain and bypass. e) Butt-welding connection for drain and bypass. f) Bosses for drain and bypass connection. g) Method of designating outlets of reducing fittings.

Document information

  • Standard from MSS_AC
  • Published:
  • Version: 0
  • Document type: IS