MAN B&W 5L28/32H, Manual

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08028-0D\H5250\94.08.12
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1631472-4.1
Page 2 (3)
Basic Symbols for Piping
General
93.44
No. Symbol Symbol designation
No. Symbol Symbol designation
3.17
3.18
3.19
3.20
3.21
3.22
3.23
3.24
3.25
3.26
3.27
3.28
3.29
3.30
3.31
3.32
3.33
3.34
3.35
3.36
3.37
3.38
3.39
Double-seated change over valve
Suction valve chest
Suction valve chest with non-return valves
Double-seated change over valve, straight
Double-seated change over valve, angle
Cock, straight through
Cock, angle
Cock, three-way, L-port in plug
Cock, three-way T-port in plug
Cock, four-way, straight through in plug
Cock with bottom connect.
Cock, straight through, with bottom conn.
Cock, angle, with bottom connection
Cock, three-way with bottom connection
Thermostatic valve
Valve with test flange
3-way valve with remote control (actuator)
Non-return valve (air)
3/2 spring return valve, normally closed
2/2 spring return valve, normally closed
3/2 spring return valve contr. by solenoid
Reducing valve (adjustable)
4. CONTROL AND REGULATION PARTS
Han-operated
Remote control
Spring
Mass
Float
Piston
Membrane
Electric motor
Electro-magnetic
Manual (at pneumatic valves)
Push button
Spring
Solenoid
Solenoid and pilot directional valve
By plunger or tracer
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
4.9
4.10
4.11
4.12
4.13
4.14
4.15
5. APPLIANCES
5.1
5.2
5.3
5.4
5.5
5.6
Mudbox
Filter or strainer
Magnetic filter
Separator
Steam trap
Centrifugal pump
On/off valve controlled by solenoid and
pilot directional valve with spring return