Man L21/31 User Manual

List of Symbols
General
Pipe dimensions and piping signature
Pipe dimenesions
A : Welded or seamless steel pipes. B : Seamless precision steel pipes or Cu-pipes.
Normal
Diameter
DN
Outside
Diameter
mm
Wall
Thickness
mm
Stated: Outside diameter and wall thickness i.e. 18 x 2
Piping
: Built-on engine/Gearbox
: Yard supply
Items connected by thick lines are built-on engine/ gearbox.
15
20
25
32
40
50
65
80
90
100
125
150
175
200
21.3
26.9
33.7
42.4
48.3
60.3
76.1
88.9
101.6
114.3
139.7
168.3
193.7
219.1
In accordance
with classifica-
tion or other
rules
General
Pump, general DIN 2481 Ballcock
Centrifugal pump DIN 2481 Cock, three-way, L-port
Centrifugal pump with electric
motor
DIN 2481 Double-non-return valve DIN 74.253
Gear pump DIN 2481 Spectacle flange DIN 2481
Screw pump DIN 2481 Spectacle flange, open DIN 2481
Screw pump with electric
motor
DIN 2481 Spectacle flange, closed DIN 2481
Compressor ISO 1219 Orifice
Heat exchanger DIN 2481 Flexible pipe
Electric pre-heater DIN 2481 Centrifuge DIN 28.004
MAN Diesel & Turbo
I 00 25 0
Symbols for piping
1655279-1.1
Page 4 (10)
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

Man L21/31 Specifications

General

Brand	Man
Model	L21/31
Category	Portable Generator
Language	English