Symbols For Piping - Man B&W S50ME-B9.3-TII Project Manual

MAN B&W

Symbols for Piping

No. Symbol Symbol designation
1 General conventional symbols
1.1 Pipe
1.2 Pipe with indication of direction of flow
1.3 Valves, gate valves, cocks and flaps
1.4 Appliances
1.5 Indicating and measuring instruments
2 Pipes and pipe joints
2.1 Crossing pipes, not connected
2.2 Crossing pipes, connected
2.3 Tee pipe
2.4 Flexible pipe
2.5 Expansion pipe (corrugated) general
Joint, screwed
2.6
2.7 Joint, flanged
2.8 Joint, sleeve
2.9 Joint, quickreleasing
2.10 Expansion joint with gland
2.11 Expansion pipe
2.12 Cap nut
2.13 Blank flange
MAN B&W MC/MCC, ME/MEC/MEGI/ME-B engines
No. Symbol
2.14
2.15
2.16
2.17
2.18
2.19
3 Valves, gate valves, cocks and flaps
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
3.11
3.12
3.13
MAN Diesel
Symbol designation
Spectacle flange
Bulkhead fitting water tight, flange
Bulkhead crossing, nonwatertight
Pipe going upwards
Pipe going downwards
Orifice
Valve, straight through
Valves, angle
Valves, three way
Nonreturn valve (flap), straight
Nonreturn valve (flap), angle
Nonreturn valve (flap), straight, screw
down
Nonreturn valve (flap), angle, screw
down
Flap, straight through
Flap, angle
Reduction valve
Safety valve
Angle safety valve
Selfclosing valve
Appendix A
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198 38 662.3