Alfalaval SRC PN10 Manual de usuario

ESE02590-EN3 2016-03

Original manual

Instruction Manual

Unique Single Seat Valve (DN125-150)

Table of contents

The information herein is correct at the time of issue but may be subject to change without prior notice

1. Declaration of Conformity ........................................................................... 4

2. Safety .................................................................................................... 5

2.1. Important information ............................................................................. 5

2.2. Warning signs ..................................................................................... 5

2.3. Safety precautions ................................................................................ 6

3. Installation .............................................................................................. 7

3.1. Unpacking/delivery/general installation ......................................................... 7

3.2. Recommended auxiliary equipment ............................................................ 8

3.3. General installation ................................................................................ 9

3.4. Welding ............................................................................................ 11

4. Operation ............................................................................................... 13

4.1. Operation .......................................................................................... 13

4.2. Fault finding ....................................................................................... 15

4.3. Recommended cleaning ......................................................................... 16

5. Maintenance ........................................................................................... 18

5.1. General maintenance ............................................................................. 18

5.2. Dismantling of valve .............................................................................. 20

5.3. Valve assembly .................................................................................... 22

5.4. Dismantling of actuator ........................................................................... 24

5.5. Assembly of actuator ............................................................................. 25

6. Technical data ......................................................................................... 26

6.1. Technical data ..................................................................................... 26

7. Drawings ................................................................................................ 27

7.1. Drawings ........................................................................................... 27

8. Parts list and service kits ............................................................................ 28

8.1. Shut-off valve ...................................................................................... 28

8.2. Change-over valve ................................................................................ 30

1 Declaration of Conformity

Revision of Declaration of Conformity 2009-12-29

The Designated Company

Alfa Laval KoldingA/S

Company Name

Albuen 31, DK-6000 Kolding, Denmark

Address

+4579322200

Phone No.

hereby declare that

Valve

Designation

SRC PN10

Type

is in conformity with the following directive with amendments:

- Machinery Directive 2006/42/EC

- Pressure Equipment Directive 2014/68/EU category 1 and subjected to assessment procedure Module A.

The person authorised to compile the technical file is the signer of this document

Global Product Quality Manager

Pumps, Valves, Fittings and Tank Equipment

Lars Kruse Andersen

Title Name

Kolding 2013-12-03

Place Date Signature

2 Safety

Unsafe practices and other important information are emphasized in this manual.

Warnings are emphasized by means of special signs.

2.1 Important information

Alwaysreadthemanualbeforeusingthevalve!

WARNING

Indicates that special procedures must be followed to avoid serious personal injury.

CAUTION

Indicates that special procedures must be followed to avoid damage to the valve.

NOTE

Indicates important information to simplify or clarify procedures.

2.2 Warning signs

General warning:

Caustic agents:

2 Safety

All warnings in the manual are summarized on this page.

Pay special attention to the instructions below so that severe personal injury and/or damage to the valve are avoided.

2.3 Safety precautions

Installation:

Always observe the technical data (see chapter 6 Technical data) !

Always release compressed air after use.

Operation:

Always observe the technical data (see chapter 6 Technical data) !

Never touch the valve or the pipelines when processing hot liquids or when sterilizing

Always handle lye and acid with great care

Maintenance:

-Always observe the technical data (see chapter 6 Technical data) !

-Always release compressed air after use

- The valve must Never be hot when servicing it

- The valve/actuator and the pipelines must never be pressurised when servicing the valve/ actuator

-Never stick your fingers through the valve ports if the valve is supplied with compressed air.

Transportation:

Always secure that compressed air is released

Always secure that all connections is disconnected before attemt to remove the valve from the installation

Always drain liquid out of valves before transportation

Always used predesigned lifting points if defined

Always secure sufficient fixing of the valve during transportation - if special designed packaging material is available it

must be used

3 Installation

The instruction manual is part of the delivery.

Study the instructions carefully.

The valve is supplied as separate parts as standard (for welding).

The valve is assembled before delivery, if it is supplied with fittings.

3.1 Unpacking/delivery/general installation

Unpacking/delivery

Step 1

CAUTION

Alfa Laval cannot be held responsible for incorrect unpacking.

Check the delivery:

1. Complete valve, shut-off valve or change-over valve (see step 2 and 3)

2. Delivery note

3. Instruction Manual

Step 2

Shut-off valve:

1. Complete actuator with bonnet (8)

2. Clip assembly (11)

3. Lip seal (14)

4. Clamp (15)

5. Valve plug (19)

6. Valve body (16)

TD425-039_1

Step 3

Change-over valve:

1. Complete actuator with bonnet (8)

2. Clip assembly (11)

3. Lip seal (14)

4. Two clamps (15)

5. Valve plug (20)

6. Two valve bodies (16, 18)

7. Valve body seal ring (17) TD425-060_1

Step 4

- Remove possible packing materials from the valve/valve parts

- Inspect the valve/valve parts for visible transport damages

- Avoid damaging the valve/valve parts

Inspection!

Remove packing materials!

TD425-040_1

3 Installation

The valve sizes DN125-150 are very heavy.

Therefore Alfa Laval recommends manufacturing and usage of auxiliary equipment. A proposal is given below.

Please note that the auxiliary equipment cannot be supplied by Alfa Laval.

The items refer to the parts list and service kits section.

3.2 Recommended auxiliary equipment

Step 1

For lifting the valve

Screw an eye bolt (6 mm) (1/4”) into top pin (23). Using a small

hook crane or similar, lift the valve by the eye bolt.

Trestle:

- The purpose of the trestle is to support the valve during dismantling and reassembly.

- The trestle is made of a base plate, two support plates, two rubber linings and four bolts.

- The rubber linings are attached to the support plates so that the valve/actuator will rest on these.

- To prevent the valve from turning during dismantling and assembly the trestle must be made with the correct measurements

(see below). All measurements are in mm.

TD425-159_1

10mm(0.4”)

50mm(2”)

TD425-160_1

Trestle Side view

TD425-161_1

250mm(9.8”)

101.5mm(4”)

R99.5mm(3.9”)

TD425-162_1

Top view En d view

Step 2

1. Place the valve in the trestle.

2. Make sure that the actuator rests on the rubber linings on the

trestle support plates.

3. Dismantle/assemble the valve.

TD425-163_1

3 Installation

Study the instructions carefully and pay special attention to the warnings!

The valve has welding ends as standard but can also be supplied with fittings.

NO = Normally open. NC = Normally closed. A/A = Air/air activated.

3.3 General installation

Step 1

Always read the technical data thoroughly.

See chapter 6 Technical data

Always release compressed air after use.

CAUTION

Alfa Laval cannot be held responsible for incorrect installation.

Step 2

Never touch the clip assembly or the actuator piston rod if the

actuator is supplied with compressed air (see the warning label).

Air

Moving parts!

Air

Step 3

It is recommended to install the valve so that:

- The actuator is not turned downwards as the valve will then

not be drained.

- The flow is against the closing direction to avoid water

hammering

Shut-off valve Change-over valve

Avoid water

hammer! Inlet

Inlet Inlet

3 Installation

Study the instructions carefully and pay special attention to the warnings!

The valve has welding ends as standard but can also be supplied with fittings.

NO = Normally open. NC = Normally closed. A/A = Air/air activated.

Step 4

Avoid stressing the valve.

Pay special attention to:

-Vibrations

- Thermal expansion of the tubes

- Excessive welding

- Overloading of the pipelines Risk of

damage!

Step 5

Fittings:

Ensure that the connections are tight.

Remember seal

rings!

Step 6

Air connection: Air R1/8”(BSP) Air

Air

NO NC A/A

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