Samson 3353 Manuale utente
Mounting and
Operating Instructions
EB 8139 EN
Translation of original instructions
Edition August 2017
Type3353 Angle Seat Valve
2 EB 8139 EN
Note on these mounting and operating instructions
These mounting and operating instructions assist you in mounting and operating the device
safely. The instructions are binding for handling SAMSON devices.
ÎFor the safe and proper use of these instructions, read them carefully and keep them for
later reference.
ÎIf you have any questions about these instructions, contact SAMSON‘s After-sales Service
Department (aftersalesser[email protected]).
The mounting and operating instructions for the devices are included in
the scope of delivery. The latest documentation is available on our website
(www.samson.de) > Product documentation. You can enter the document
number or type number in the [Find:] eld to look for a document.
Denition of signal words
Hazardous situations which, if not avoided,
will result in death or serious injury
Hazardous situations which, if not avoided,
could result in death or serious injury
Property damage message or malfunction
Additional information
Recommended action
DANGER
!
WARNING
!
NOTICE
!
Note
Tip
Contents
EB 8139 EN 3
1 Safety instructions and measures ...................................................................5
1.1 Notes on possible severe personal injury .........................................................7
1.2 Notes on possible personal injury ...................................................................7
1.3 Notes on possible property damage................................................................8
2 Markings on the control valve........................................................................9
2.1 Valve nameplate ............................................................................................9
3 Design and principle of operation ................................................................10
3.1 Fail-safe action ............................................................................................10
3.2 Technical data .............................................................................................12
3.3 Dimensions and weights ...............................................................................13
3.4 Permissible differential pressures ...................................................................14
3.4.1 Version FA/NC with fail-safe position: fail-close .............................................14
3.4.2 Version FE/NO with fail-safe position: fail-open.............................................14
4 Measures for preparation............................................................................16
4.1 Unpacking ..................................................................................................16
4.2 Transporting and lifting ................................................................................16
4.3 Storage.......................................................................................................16
4.4 Preparation for installation............................................................................17
5 Mounting and start-up.................................................................................18
5.1 Installing the valve into the pipeline ...............................................................18
5.1.1 Mounting position........................................................................................18
5.1.2 Installing the valve........................................................................................18
5.2 Connecting the signal pressure......................................................................18
5.3 Additional ttings.........................................................................................19
5.4 Quick check ................................................................................................20
6 Operation...................................................................................................21
7 Servicing.....................................................................................................22
7.1 Replacing the gaskets ...................................................................................23
7.2 Replacing the packing..................................................................................24
7.3 Tightening torques........................................................................................27
7.4 Preparation for return shipment.....................................................................28
4 EB 8139 EN
Contents
7.5 Ordering spare parts and operating supplies .................................................28
8 Malfunctions ...............................................................................................29
8.1 Troubleshooting ...........................................................................................29
8.2 Emergency action ........................................................................................30
9 Decommissioning and disassembly ..............................................................31
9.1 Decommissioning.........................................................................................31
9.2 Removing the valve from the pipeline.............................................................31
9.3 Disposal......................................................................................................31
10 Annex.........................................................................................................32
10.1 After-sales service........................................................................................32
10.2 Certicates ..................................................................................................32
10.3 Spare parts .................................................................................................34
EB 8139 EN 5
Safety instructions and measures
1 Safety instructions and measures
Intended use
The Type3353 Angle Seat Valve is designed for on/off service in process engineering and
plants with industrial requirements. The valve is suitable for liquids, vapors and gases at tem-
peratures from –10 to +180°C and a pressure rating of PN40. The angle seat valve is com-
bined with a pneumatic piston actuator.
The control valve is designed to operate under exactly dened conditions (e.g. operating
pressure, process medium, temperature). Therefore, operators must ensure that the control
valve is only used in applications that meet the specications used for sizing the valve at the
ordering stage. In case operators intend to use the control valve in other applications or con-
ditions than specied, contact SAMSON.
SAMSON does not assume any liability for damage resulting from the failure to use the
valve for its intended purpose or for damage caused by external forces or any other external
factors.
ÎRefer to the technical data and nameplate for limits and elds of application as well as
possible uses.
Reasonably foreseeable misuse
The control valve is not suitable for the following applications:
−Use outside the limits dened during sizing and by the technical data
−Use outside the limits dened by the valve accessories mounted on the control valve
Furthermore, the following activities do not comply with the intended use:
−Use of non-original spare parts
−Performing service and repair work not described in these instructions
Qualications of operating personnel
The control valve must be mounted, started up, serviced and repaired by fully trained and
qualied personnel only; the accepted industry codes and practices are to be observed. Ac-
cording to these mounting and operating instructions, trained personnel refers to individuals
who are able to judge the work they are assigned to and recognize possible hazards due to
their specialized training, their knowledge and experience as well as their knowledge of the
applicable standards.
6 EB 8139 EN
Safety instructions and measures
Personal protective equipment
We recommend wearing the following protective equipment depending on the process medi-
um:
−Protective clothing, gloves, and eyewear in applications with hot, cold, and/or corrosive
media
−Wear hearing protection when working near the valve.
ÎCheck with the plant operator for details on further protective equipment.
Revisions and other modications
Revisions, conversions or other modications to the product are not authorized by SAMSON.
They are performed at the user's own risk and may lead to safety hazards, for example. Fur-
thermore, the product may no longer meet the requirements for its intended use.
Warning against residual hazards
To avoid personal injury or property damage, plant operators and operating personnel must
prevent hazards that could be caused in the control valve by the process medium, the
operating pressure, the signal pressure or by moving parts by taking appropriate
precautions. They must observe all hazard statements, warning and caution notes in these
mounting and operating instructions, especially for installation, start-up and service work.
Responsibilities of the operator
The operator is responsible for proper operation and compliance with the safety regulations.
Operators are obliged to provide these mounting and operating instructions as well as the
referenced documents to the operating personnel and to instruct them in proper operation.
Furthermore, the operator must ensure that operating personnel or third persons are not ex-
posed to any danger.
Responsibilities of operating personnel
Operating personnel must read and understand these mounting and operating instructions as
well as the referenced documents and observe the hazard statements, warning and caution
notes specied in them. Furthermore, the operating personnel must be familiar with the ap-
plicable health, safety and accident prevention regulations and comply with them.
Referenced standards and regulations
The devices comply with the requirements of the European Pressure Equipment Directive
2014/68/EU. Devices with a CE marking have an EU declaration of conformity, which in-
cludes information about the applied conformity assessment procedure. This EU declaration
of conformity is included in the Appendix of these instructions.
EB 8139 EN 7
Safety instructions and measures
Referenced documentation
The mounting and operating instructions of the mounted valve accessories (e.g. uEB8357
for Type4740 Limit Switch) apply in addition to these mounting and operating instructions.
1.1 Notes on possible severe personal injury
DANGER
!
Risk of bursting in pressure equipment.
Valves and pipelines are pressure equipment. Improper opening can lead to valve
components bursting.
ÎBefore starting any work on the valve, depressurize all plant sections concerned as
well as the valve.
ÎDrain the process medium from all the plant sections concerned as well as the
valve.
ÎWear personal protective equipment.
1.2 Notes on possible personal injury
WARNING
!
Risk of personal injury when the actuator vents.
While the valve is operating, the actuator may vent when the valve opens or closes.
ÎInstall the control valve in such a way that the actuator does not vent at eye level.
ÎUse suitable silencers and vent plugs.
ÎWear eye protection when working in close proximity to the control valve.
Risk of personal injury due to residual process medium in the valve.
While working on the valve, residual process medium can escape and, depending on
its properties, may lead to personal injury, e.g. (chemical) burns.
ÎIf possible, drain the process medium from all the plant sections concerned and the
valve.
ÎWear protective clothing, safety gloves and eyewear.
8 EB 8139 EN
Safety instructions and measures
WARNING
!
Risk of burn injuries due to hot or cold components and pipelines.
Depending on the process medium, valve components and pipelines may get very hot
or cold and cause burn injuries.
ÎAllow components and pipelines to cool down or heat up.
ÎWear protective clothing and safety gloves.
1.3 Notes on possible property damage
NOTICE
!
Risk of valve damage due to contamination (e.g. solid particles) in the pipeline.
The plant operator is responsible for cleaning the pipelines in the plant.
ÎFlush the pipelines before start-up.
ÎObserve the maximum permissible pressure for valve and plant.
Risk of valve damage due to unsuitable medium properties.
The valve is designed for a process medium with dened properties.
ÎOnly use the process medium specied for sizing the valve.
Risk of leakage and valve damage due to excessively high or low tightening
torques.
Observe the specied torques on tightening valve components.
Excessively tightened torques lead to parts wearing out quicker. Parts that are too loose
may cause leakage.
ÎObserve the specied tightening torques (see section7.3).
EB 8139 EN 9
Markings on the control valve
2 Markings on the control valve
2.1 Valve nameplate
1 Actuator area and number of actuator
springs (Ior II)
2 Required signal pressure in bar
3Valve size (DN and NPS)
4 Max. perm. differential pressure in
bar
5Conguration ID
6Max. permissible medium temperature
7 Year of manufacture
3
3 3
3
4 4
4 4
2
2
5
6 7
1
1
Made in Europe
SAMSON 3353
Stelldruck
Supply
(bar)
Antrieb
Act. size
Max. Diff.druck/pressure ∆p in bar
Fig.1: Nameplate
The nameplate is stuck on the pneumatic actuator.
10 EB 8139 EN
Design and principle of operation
3 Design and principle of oper-
ation
The pneumatic control valve consists of an
angle seat valve with a soft-seated plug and
a pneumatic piston actuator. Depending on
the version, the actuator can be equipped
with a mechanical manual override or an
electric limit switch.
The medium ows through the valve in the
direction indicated by the arrow. The signal
pressure applied to the piston actuator deter-
mines the position of the plug and thus the
cross-sectional area of ow between the seat
and plug.
The plug/actuator stem (14) is sealed by a
self-adjusting PTFE V-ring packing (22) at
the valve and by a radial shaft seal (25) at
the actuator.
3.1 Fail-safe action
The fail-safe position of the valve upon sup-
ply air (signal pressure) failure is determined
by how the piston and actuator spring are
arranged in the pneumatic actuator.
Fail-close (FA)
The actuator spring closes the valve upon air
supply failure. The valve opens when the sig-
nal pressure increases.
Fail-open (FE)
The actuator spring opens the valve upon air
supply failure. The valve closes when the sig-
nal pressure increases.
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