Coordination System..
Mechanical symbols on P&ID
Spool Piece Straight
Spool Piece 90°
Strainer Y-type
Flange Set / Spool, Isolating
Primary Element, Venturi type
Bursting Disc
Joint Butt Weld
Joint Flanged
Joint Screwed
Joint Socket Weld
Joint Swivel
Spectacle Blind, Normally Open
Spectacle Blind, Normally Closed
Ring Spacer
Spade Blind
Hamer Blind
Steam Trap
Steam Trap with Built-in Strainer
Expansion Loop
Sleeve Extension
Expansion / Contraction Bellow
Flexible Hose Flanged
Restriction Orifice
Vent
Drain
Sight Glass
Level Gauge
Revision Cloud
Revision Triangle
Silencer
Emergency Shower
Open Vent
Syphon Drain
Liquid Seal, Open
Liquid Seal, Closed
Steam Trap with Integral Check Valve
Steam Trap Assembly
Slide Valve, Hand-Operated
Slide Valve, Remoted-Operated