Bürkert 2712 Series, Operating Instructions Manual

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M
AINTENANCE AND
S
ERVICING OF THE
V
ALVE
2712 - 15
englis
h
Tightening torques for seat assembly
Spare parts sets
NOTE
Before removal or opening of the device, be sure to interrupt the supply of medium and
relieve the pressure in the piping.
NOTE Spare parts sets for special versions are available on request (e.g. oxygen or analysis
versions, etc.).
DN DN Steel/steel PTFE/Steel
Pipe Seat Order no. Order no.
10, 15 4 149 934 -
10, 15 6 152 696 -
10, 15 8 149 935 149 962
10, 15 10 149 912 149 963
20 10 149 914 149 965
15 15 149 915 149 943
20 15 149 91 6 149 944
25 15 149 917 149 945
20 20 149 918 149 946
25 20 149 951 149 947
32 20 149 952 149 948
25 25 149 953 149 949
32 25 149 9 54 149 950
40 25 149 955 150 001
32 32 149 956 150 002
40 32 149 957 150 003
50 32 149 958 150 004
40 40 149 959 150 006
50 40 149 960 150 007
50 50 149 961 150 008
65 40 155 624 155 636
65 50 155 626 155 638
65 65 155 629 155 641
Control cone set
Contains:
Control cone, dowel pin, graphite seal
Connection Torque
Tolerance
Seat Housing Uncoated
seat
Coated
seat
DN 4-15 DN 15 25 20 + 3
DN 20 DN 20 35 28 + 3
DN 25 DN 25 50 40 + 5
DN 32 DN 32 80 65 + 5
DN 40 DN 40 100 85 + 8
DN 50 DN 50 120 120 + 8
DN 65 DN 65 150 150 + 10
DN 80 DN 80 180 180 + 10
DN 100 DN 100 220 220 + 10
Valve seat set
DN DN
Housing Seat Order no.
10,15 4 262 143
10,15 6 262 146
10,15 8 262 147
10,15 10 262 149
20 10 262 151
15 15 262 152
20 15 262 153
25 15 262 155
20 20 262 157
25 20 262 160
32 20 262 163
25 25 262 170
32 25 262 171
40 25 262 173
32 32 262 174
40 32 262 175
50 32 262 176
40 40 262 177
50 40 262 178
50 50 262 179
65 40 262 202
65 50 262 203
65 65 262 204