APPLICATION
Suitable for transformer oil.
WORKING TEMPERATURES AND PRESSURE
Up to max. 6.0 bar: -40°C to +120°C
When requesting an offer or order, please indicate flow medium, working pressure and working temperature.
Standard marking acc.to Pressure Equipment Directive 2014/68/EU (PED).
Pressure test acc.to EN 12266:2004 – Rate “A”.
Description and materials
Description | Materials | ||
1 |
Body
|
Bronze
|
CC491K
|
2 |
Wedge
|
Bronze
|
CC491K
|
3 |
Gasket
|
SILC 4400
|
|
4 |
Bonnet
|
Brass
|
CW614N
|
5 |
Packing
|
PTFE
|
|
6 |
Stem
|
Brass
|
CW614N
|
7 |
Hand wheel
|
Aluminium
|
|
8 |
Indicator
|
Brass
|
CW614N |
9 |
Slider
|
Bronze
|
CC491K |
10 |
Locking device
|
Brass
|
CW614N |
Dimensions

Description
|
Dimensions [mm]
|
||||
Nominal size
|
NS | 15 | 25 | 40 | 50 |
Size code
|
YY | 52 | 54 | 56 | 57 |
Thread end
|
NS | 1/2″ | 1″ | 1″ 1/2 | 2″ |
Hand wheel-Ø
|
W | 50 | 70 | 80 | 90 |
Face-to-face dimension | L | 65.5 | 75 | 120 | 139 |
Width to flange*
|
B | 8 | 12 | 11 | 13 |
Height | H | 130 | 150 | 200 | 220 |
Flange diameter*
|
D | 95 | 115 | 150 | 165 |
Distance between holes*
|
K | 65 | 85 | 110 | 125 |
N° and holes diameter*
|
nxd2 | 4 x 14 | 4 x 14 | 4 x 18 | 4 x 18 |
* Dimensions related to Flange PN16 according to UNI EN 1092-3:2005
Datasheet PDF