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Sempell HigH Pressure Forged cHeck valves
Forged steel, swing check and tilting disc conFiguration
partS liSt
1
Year
2
Type
3
size
4
class
5
N.a.
6
Body
7
stem
8
seat
9
disc
10
designer
11
Temperature
12
Pressure
13
shell test
14
differential pressure set up actuator
SerVice limitationS
according to Ped-esr, par. 3.3 and related, the design pressure and temperature are indicated
on the nameplate.
important
• To ensure tightness of P.S. gasket, pull up bolts must be tightened when the valve is under fully
hydrostatic pressure test or twenty-four hours in operation.
• Yearly checking of bolt torque is recommended (see Tables 1 and 2).
• The segment ring has to be fixed by the safety ring. Ensure that the segment ring is in the correct
position.
Neither emerson, emerson automation solutions, nor any of their affiliated entities assumes responsibility for the selection, use or maintenance of any product.
responsibility for proper selection, use, and maintenance of any product remains solely with the purchaser and end user.
sempell is a mark owned by one of the companies in the emerson automation solutions business unit of emerson electric co. emerson automation solutions, emerson
and the emerson logo are trademarks and service marks of emerson electric co. all other marks are the property of their respective owners.
The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not to be
construed as warranties or guarantees, express or implied, regarding the products or services described herein or their use or applicability. all sales are governed by
our terms and conditions, which are available upon request. We reserve the right to modify or improve the designs or specifications of such products at any time without
notice.
emerson.com/Finalcontrol
15
Temperature minimum
16
Pressure at t.min
17
Temperature maxim
18
Pressure at t.max
19
N.a.
20
N.a.
21
serial number
22
Ped category
23
Fluid
24
N.a.
25
Tag
26
order number
27
N.a.
table 1 - bolt torque For packing
boltS
Stem diameter
bolt diameter
in
mm
mm
1
25.4
M16
1.25
31.75
M16
1.375
34.92
M20
1.75
44.45
M20
2
50.8
M24
2.25
57.15
M24
2.5
63.5
M27
2.75
69.85
M27
3
76.2
M27
3.25
82.55
M30
3.75
95.25
M33
table 2 - bolt torque For bonnet
boltS
Stem diameter
bolt diameter
in
mm
mm
⅜
M10
½
M12
⅝
M16
¾
M20
1
M24
1⅛
M27
1¼
M30
torque
nm
14
14
18
18
20
20
23
23
23
28
35
torque
nm
30
70
140
260
580
760
1350
2
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