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D-09-B-62825-EN-00
5.3 AV540 / AV550
Example: AV540
1
Sealing ring
8
Cap nut
2
Valve seat
9
Stuffing box
3
Valve spindle
10
Valve body
4
Sealing ring
11
Handwheel
5
Scraper rings
12
Open-close indicator disc
6
Packing set
13
Washer
7
Valve upper part
14
Hexagon nut
5.4 AV580 / AV585
The drain valve types AV580 and AV585 are valves of the types AV500, AV505, AV520 or
AV525 with modified valve spindle and welded-on bracket with attached position switch.
5.5 AV251
The drain valve type AV251 is a double drain valve consisting of two AV250 type valves
positioned one above the other.
5.6 AV560 / AV 570
The drain valve types AV560 and AV570 are double drain valves consisting of two AV540 or
AV550 valves positioned one above the other.
