Heating coil DIN 8972 Suction bell
Non-return valve Air vent
Butterfly valve Sight glass DIN 28.004
Gate valve Mudbox
Relief valve Filter
Quick-closing valve Filter with water trap ISO 1219
Self-closing valve Typhon DIN 74.253
Back pressure valve Pressure reducing valve (air) ISO 1219
Shut off valve Oil trap DIN 28.004
Thermostatic valve Accumulator
Pneumatic operated valve Pressure reducing valve with
pressure gauge
General
Specification of letter code for measuring devices
MAN Diesel & Turbo
1655279-1.1
Page 5 (10)
Symbols for piping
I 00 25 0
L27/38S, L16/24, L16/24S, L21/31, L21/31S, L23/30H, L23/30S, L23/30DF,
L28/32H, L28/32S, V28/32H, V28/32S, L27/38, L28/32DF
2015.11.17