No. Designation
1 Handwheel
2
Grease nipple and locking screw
3 Stem
4 Cover
5 Gasket
6 Body
7 Flow
arrow
No. Designation
8 Name
plate
9
Seat ring (up to DN 50)
10 Valve
plug
11 Bellows
12 Gland
packing
13 Stuffing
box
screw
Equipment of size DN 15 up to DN 100
feature a throttling plug.
Equipment fitted with a throttling plug
allows regulation of the flowrate.
Equipment of size DN 125 up to DN 150
feature a disk-type plug.
Equipment fitted with a this type of plug
can only be used for shutting off the
pipeline.
This installation manual shows equipment
with throttling plug.
A stroke limiter is available as optional extra.
End connections
The equipment is available with the following end
connections:
Flanges
Name plate
The following items are indicated on the name
plate:
Manufacturer
Type designation
CE marking
The CE marking depends on the
classification according to the Pressure
Equipment Directive (PED). Not all types of
equipment will therefore bear a CE
marking.
The following items are indicated on the equipment
body:
Nominal size
Pressure rating
Material
Batch code
Direction of flow
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