Samson 3353 Manuale utente

Mounting and

Operating Instructions

EB 8139 EN

Translation of original instructions

Edition August 2017

Type3353 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.

Denition 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 Certicates ..................................................................................................32

10.3 Spare parts .................................................................................................34

EB 8139 EN 5

Safety instructions and measures

1 Safety instructions and measures

Intended use

The Type3353 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 PN40. The angle seat valve is com-

bined with a pneumatic piston actuator.

The control valve is designed to operate under exactly dened conditions (e.g. operating

pressure, process medium, temperature). Therefore, operators must ensure that the control

valve is only used in applications that meet the specications 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 specied, 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 dened during sizing and by the technical data

−Use outside the limits dened 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

Qualications of operating personnel

The control valve must be mounted, started up, serviced and repaired by fully trained and

qualied 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 modications

Revisions, conversions or other modications 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 specied 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. uEB8357

for Type4740 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 dened properties.

ÎOnly use the process medium specied for sizing the valve.

Risk of leakage and valve damage due to excessively high or low tightening

torques.

Observe the specied torques on tightening valve components.

Excessively tightened torques lead to parts wearing out quicker. Parts that are too loose

may cause leakage.

ÎObserve the specied tightening torques (see section7.3).

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

5Conguration ID

6Max. permissible medium temperature

7 Year of manufacture

3 3

4 4

6 7

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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