MAN B&W L28/32H, Manual

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08028-0D\H5250\94.08.12
1631472-4.1
Page 1 (3)
Basic Symbols for Piping I 00 25 0
General
93.44
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
No. Symbol Symbol designation
1. GENERAL CONVENTIONAL SYMBOLS
2. PIPES AND PIPE JOINTS
2.1
2.2
2.3
2.4
2.5
2.6
2.7
2.8
2.9
2.10
2.11
2.12
2.13
2.14
2.15
2.16
2.17
2.18.
2.19
No. Symbol Symbol designation
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
3.14
3.15
3.16
Pipe
Pipe with indication of flow direction
Valves, gate valves, cocks and flaps
Appliances
Indicating and measuring instruments
High pressured pipe
Tracing
Crossing pipe, not connected
Crossing pipe, connected
Tee pipe
Flexible pipe
Expansion pipe (corrugated) general
Joint, screwed
Joint, flanged
Joint, sleeve
Joint, quick-releasing
Expansion joint with gland
Expansion pipe
Cap nut
Blank flange
Spectacle flange
Orifice
Orifice
Loop expansion joint
Snap-coupling
Pneumatic flow or exhaust to atmosphere
Valve, straight through
Valve, angle
Valve, 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
Safety valve
Angle safety valve
Self-closing valve
Quick-opening valve
Quick-closing valve
Regulating valve
Ball valve (-cock)
Butterfly valve
Gate valve
Enclosure for several components as-
sembled in one unit