Burkert Type 2731 - Manual (Page 3)

Piston-controlled diaphragm control valve Type 2730 / 2731 / 2731K
1 Operating instructiOns ................................................................4
1.1 Symbols ....................................................................................... 4
1.2 Definition of term “device” ....................................................... 4
2 authOrized use ......................................................................................5
2.1 Restrictions ................................................................................. 5
3 Basic safety instructiOns ..........................................................5
3.1 Instructions for use in explosion protected area
(Ex area) ................................................................................................... 6
4 general infOrmatiOn ........................................................................8
4.1 Contact address ........................................................................ 8
4.2 Warranty ...................................................................................... 8
4.3 Information on the internet ...................................................... 8
5 prOduct descriptiOn ........................................................................8
5.1 General description .................................................................. 8
5.2 Properties .................................................................................... 8
5.3 Structure and function.............................................................. 9
6 technical data .....................................................................................10
6.1 Conformity .................................................................................10
6.2 Standards ..................................................................................10
6.3 Approvals ..................................................................................10
6.4 Type label ..................................................................................10
6.5 Labeling of the forged bodies ..............................................10
6.6 Operating conditions ..............................................................11
6.7 Flow values and characteristics ...........................................18
6.8 General technical data ...........................................................18
7 installatiOn ............................................................................................19
7.1 Safety instructions ...................................................................19
7.2 Before installation ....................................................................19
7.3 Installation .................................................................................21
7.4 Pneumatic connection ............................................................22
7.5 Removal .....................................................................................23
8 electrical cOntrOl unit ............................................................24
9 malfunctiOns ........................................................................................24
10 maintenance, cleaning ................................................................25
10.1 Safety instructions ...................................................................25
10.2 Maintenance work ...................................................................25
11 repairs.........................................................................................................26
11.1 Safety instructions ...................................................................26
11.2 Replacing the diaphragm ......................................................27
12 replacement parts ..........................................................................29
12.1 Order table ................................................................................29
13 packaging, transpOrt, stOrage ..........................................30
3

english
Type 2730 / 2731 / 2731K