Burkert 2000 Service Manual

21
Replacing the valve seat
Type 2000, 2002, 2012
Tightening torque for installation of seat
Screwconnection Tightening torques (Nm)
Tolerance (Nm)
DN Seat (mm) DN Body (mm) Uncoated seats Coated seats
4-15 15 25 20 +3
20 20 35 28 +3
25 25 50 40 +5
32 32 80 65 +5
40 40 100 85 +8
50 50 120 120 +8
65 65 150 150 +10
80 80 180 180 +10
100 100 220 220 +10
Table 5: Tightening torque for installation of seat
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Burkert 2000 Specifications

General

Model	2000
Manufacturer	Burkert
Ambient Temperature	-10 to +60 °C
Protection Class	IP65
Operating Temperature	-10 to + °C
Seal Material	FKM
Operating Pressure	0- bar
Fluid Temperature	-10 to + °C