CODE

SECTION

DESCRIPTION

ANSI

B 1.1

Unified Screw Threads

B 2.2

Pipe Threads (Except Dryseal)

B 16.5

Steel Pipe Flanges and Flanged Fittings

B 16.10

Face to Face and End to End Dimensions of Ferrous Valves

B 16.11

Forged Steel Fittings. Socket Welding and Threaded

B 16.20

Ring-Joint Gasket and Grooves for Steel Pipe Flanges

B 16.21

Nonmetallic Gasket for Pipe Flanges

B 16.25

Buttwelding Ends

B 16.34

Steel Valve Flanged and Buttwelding End

B 18.21

Square and Hex Bolt and Screws

B 18.22

Square and Hew Nut

B 31.1

Power Piping

B 31.2

Fuel Gas Piping

B 31.3

Chemical Plant and Petroleum Refing Piping

B 31.4

Liquid Petroleum Transportation Piping Systems

B 31.5

Refrigeration Piping Systems

B 31.7

Nuclear Power Piping

B 31.8

Gas Transmission and Distribution Piping Systems

B 31.10

Wrought-Steel and Wrought-Iron Pipe

API

6 A

Specification for Wellhead Equipment

6 D

Specification for Pipeline valve

597

Steel Venturi Gate Valves, Flanged of Buttwelding End

598

Valve Inspection and Test

600

Steel Gate Valves. Flanged or Buttwelding Ends

603

150 LB. Light-Wall. Corrosion-Resistant Gate Valve for Refinery use

605

Large Diameter Carbon Steel Flanges

MSS

SP - 6

Finishes for Contact Faces of Commecting & Flanges of Ferrous Valve and Fittings

SP - 9

Spot-Facing Standard

SP - 25

Standard Marking System for Valve. Fitting . Flanges and Unions

SP - 42

150 LB Corrosion Resistant Cast Flanged Valve

SP - 44

Steel Pipe Line Flanges

SP - 45

Bypass and Drain Connection Standard

SP - 53

Quality Standard for Steel Casting - Dry Particle magnetic Inspection Method

SP - 54

Quality Standard for Steel Casting - Reaiographic Inspection Method

SP - 55

Quality Standard for Steel Casting - Visual Method

SP - 61

Hydrostatic Testing of Steel Valves

SP - 67

Butterfly Valves

SP - 81

Stainless Steel Knife Gate Valves

SP - 82

Valve Pressure Testing Methods