INOXPA 72700 Manual

INSTALLATION, SERVICE AND

MAINTENANCE INSTRUCTIONS

CHECK VALVE

INOXPA, S.A.

c/Telers, 54 Aptdo. 174

E-17820 Banyoles

Girona (Spain)

Tel. : (34) 972 - 57 52 00

Fax. : (34) 972 - 57 55 02

Email: inoxpa@inoxpa.com

www.inoxpa.com

Original Manual

10.501.30.00EN_RevB

ED. 2010/11

Declaration of Incorporation

The manufacturer: INOXPA, S.A.

c/ Telers, 57

17820 Banyoles (Girona), Spain

herewith declares that the machine:

CHECK valve 72700

with the serial number: ________________

conforms to the relevant provisions of the following directives:

Machinery Directive 2006/42/EC (RD 1644/2008)

Pressure equipment Directive 97/23/EC

It also declares that the technical documentation for this partly completed machinery has been developed in

compliance with Appendix VII Section B and it agrees to issue this documentation as and when required by the

national authorities.

In compliance with Regulation (EC) 1935/2004 on materials and articles intended to come into contact with food.

In compliance with Regulation (EC) 2023/2006 on good manufacturing practice for materials and articles intended

to come into contact with food.

The aforementioned partly completed machinery shall NOT be put into service until the final machinery into which

it is to be incorporated has been declared in conformity with the Machinery Directive, as required by Appendix II A.

Identification of the person empowered to draw up the Declaration on behalf of the manufacturer, and qualified to

compile the technical file established by the Community:

Banyoles, 8 January 2014

David Reyero Brunet

Technical Office Manager

ED. 2010/11 1.Safety 3

1.Safety

1.1. INSTRUCTION MANUAL

This instruction manual contains basic indications which should be fulfilled during the installation, starting and maintenance.

The information published in the instruction manual is based on updated information.

INOXPA reserves the right to modify this instruction manual without prior notice.

1.2. START-UP INSTRUCTIONS

This instruction manual contains essential useful information to handle and maintain your valve appropriately .

Not only should the safety instructions indicated in this chapter be observed and fulfilled, but so should the special measures

and recommendations included in the other chapters of this manual. These instructions should be kept in a safe location near

the installation.

1.3. SAFETY

1.3.1. Warning symbols.

General danger of injury

Danger of injuries caused by the rotary

parts of the equipment

Electrical hazard

Danger! Caustic or corrosive agents.

Danger! Suspended loads

Danger for the correct operation of the

equipment.

Compulsory requirement to ensure safety

at work

Use of goggles is compulsory.

1.4. GENERAL SAFETY INSTRUCTIONS

Read the instruction manual carefully before installing and starting up the valve. Contact INOXPA in

case of doubt

1.4.1. During the installation.

The

Technical Specifications

of Chapter 8 should always be observed.

The installation and use of the valve should always be carried out in accordance with applicable

regulations regarding health and safety.

Before starting up the valve, verify that the assembly is correct and that the shaft is perfectly

aligned. An incorrect alignment and/or excessive force in securing the valve may cause serious

mechanical problems in the valve.

1.4.2. During operation.

The

Technical Specifications

of Chapter 8 should always be observed. Under no circumstances can the

limit values specified be exceeded.

NEVER touch the valve and/or the tubes in contact with the liquid during operation. You risk being

burnt if you work with hot products.

4 1.Safety ED. 2010/11

The valve contains parts operating in linear movement. Do not place your hands or fingers in the

valve-closing area. This may cause serious injury.

1.4.3. During maintenance

The

Technical Specifications

of Chapter 8 should always be observed.

NEVER disassemble the valve until the pipes have been emptied. Bear in mind that the liquid in the

pipe may be dangerous or extremely hot. Consult the regulations in effect in each country for these

cases.

Do not leave parts loose on the floor.

All electrical work should be carried out by authorised personnel.

1.4.4. In compliance with the instructions.

Any non-fulfilment of the instructions may result in a risk for the operators, the environment and the machine, and may result

in the loss of your right to claim damages

This non-fulfilment may result in the following risks:

Failure of important functions of the machines/plant.

Failure of specific maintenance and repair procedures.

Possibility of electric, mechanical and chemical risks.

Will place the environment in danger due to the release of substances.

1.5. GUARANTEE.

Any guarantee will be cancelled immediately and as a matter of law and, in addition, we will require compensation for any

claims of civil liability presented by third parties, if:

The installation and maintenance work has not been carried out according to the instructions of this manual.

The repairs are not carried out by our personnel or have been carried out without our written authorisation.

The parts used are not INOXPA original parts.

Modifications have been carried out on our materials without written authorisation.

The material has been badly used, incorrectly used, or used with negligence or has not been used according to the

indications and intended use specified in this manual.

The general conditions of delivery already in your possession are also applicable.

Please do not hesitate to contact us in case of doubts or more complete explanations are required on specific data

(adjustments, assembly, disassembly, etc.).

ED. 2010/11 2.Table of contents 5

2.Table of contents

1. Safety 3

1.1. Instruction Manual .........................................................................................................3

1.2. Start-Up instructions ......................................................................................................3

1.3. Safety...........................................................................................................................3

1.4. General safety instructions..............................................................................................3

1.5. Guarantee.....................................................................................................................4

2. Table of contents 5

3. Receiving and Installation 6

3.1. Check the Shipment .......................................................................................................6

3.2. Delivery and unpacking ..................................................................................................6

3.3. Identification .................................................................................................................6

3.4. Location........................................................................................................................7

3.5. Assembly ......................................................................................................................7

3.6. Inspecting and Checking.................................................................................................7

3.7. Welding ........................................................................................................................7

4. Start-Up 9

4.1. Start-Up........................................................................................................................9

4.2. Operation......................................................................................................................9

5. Operating problems: Causes and solutions 10

6. Maintenance 11

6.1. General Information.....................................................................................................11

6.2. Maintenance................................................................................................................11

6.3. Cleaning......................................................................................................................12

7. Assembly and disassembly 13

7.1. Disassembly / Assembly of the Check Valve....................................................................13

7.2. Check Valve Position ....................................................................................................13

8. Technical Specifications 14

8.1. Weld / Weld Check Valve Dimensions ............................................................................15

8.2. Section and Part List ....................................................................................................16

8.3. Spare Parts .................................................................................................................16

6 3.Receiving and Installation ED. 2010/11

3.Receiving and Installation

3.1. CHECK THE SHIPMENT

The first thing to do on receiving the valve is to verify that it is matches the delivery slip.

INOXPA will inspect all the equipment before packing, although it cannot guarantee that the merchandise will arrive intact to

the user. For this reason, the valve received and any other article should be checked and, if it is found not to be in good

condition and/or not all parts are included, the carrier should submit a report as soon as possible.

Each valve has a manufacturing number engraved. Indicate the manufacturing number in all documents and correspondence.

3.2. DELIVERY AND UNPACKING

INOXPA will not be responsible for the inappropriate unpacking of the valve and its components.

3.2.1. Delivery:

Check that all the parts indicated in the delivery slip exist

Complete valve.

Its components (if supplied).

Delivery slip.

Instruction manual.

3.2.2. Unpacking:

Remove all traces of packing materials from the valve or parts.

Inspect the valve or its constituent parts for possible damage caused during transport.

Avoid any possible damage to the valve and its components.

3.3. IDENTIFICATION

ED. 2010/11 3.Receiving and Installation 7

The buyer or user will be responsible for the assembly, installation, starting and operation of the

valve.

3.4. LOCATION

Place the valve in such a way as to facilitate inspections and checks. Leave sufficient space around the valve for appropriate

inspection, separation and maintenance (See Section 3.7.3).

3.5. ASSEMBLY

Once the location of the valve is established, the pipe can be connected by welding the valve body and cover or by means of

accessories (connectors). The check valve must be installed vertically and in the direction of the flow.

Excessive stress should be avoided during the assembly of

the valves and special attention should be given to the

following:

Vibration which may be produced in the installation.

Expansion of the pipes during circulation of hot liquids.

The weight that the pipes can withstand.

Excessive intensity of welding.

3.6. INSPECTING AND CHECKING

Check the following before use:

Open and close the valve several times to

ensure that it operates correctly and check that

the shaft seal fits smoothly with the valve body.

3.7. WELDING

The welding work can only be carried out by persons qualified, trained and equipped with the

necessary means to carry out this work.

Disassemble the valve before starting the welding work.

Seal bed

8 3.Receiving and Installation ED. 2010/11

3.7.1. Weld/weld check valve. Fig. 72700.

Disassemble the valve as indicated in the

Disassembly

section.

Weld the valve body and cover to the tubes.

On welding the valve body and cover, check that they can be axially separated (See elevation A) in order to disassemble the

internal parts of the valve (gasketl, shaft, guide bush, spring).

If the valve is connected using accessories (connectors), then elevation A may be much lower.

25-1”

40-1 ½”

50-2”

2 ½”

3”

100-4”

25-1”

40-1 ½”

50-2”

2 ½”

3”

100-4”

ED. 2010/11 4.Start-Up 9

4.Start-Up

The start-up of the valve can be carried out if the instructions indicated in Chapter 3 –

Receiving and Installation

are followed.

4.1. START-UP

Before start-up, the responsible persons should be duly informed of the operation of the valve and

the safety instructions to be followed. This instruction manual should be available to personnel at all

times.

The following should be taken into consideration before starting-up the valve:

Check that the pipe and valve are completely free from any traces of welding or other foreign matter. Carry out the cleaning of

the system if required.

Verify the smooth operation of the valve. If necessary, lubricate with special grease or soapy water.

Check for possible leaks and check that all the pipes and connections are watertight and free from leaks.

Operate the valve.

4.2. OPERATION

Do not modify the operating parameters for which the valve has been designed without written prior

authorisation from INOXPA.

Danger of burns! Do not touch the valve or pipes when hot liquids are circulating or when cleaning

and/or sterilisation are being carried out.

This equipment is suitable for to use in food processes.

10 5.Operating problems: Causes and solutions ED. 2010/11

5.Operating problems: Causes and

solutions

* It is possible for leaks to occur in the stainless-steel/stainless-steel seatings leading to insufficient liquid in the downstream

tubes.

PROBLEM

CAUSE/EFFECT

SOLUTION

EXTERNAL LEAK.

THE PRODUCT IS

LEAKING FROM THE

CLAMP

The joining seal is worn out or deteriorated.

Loss of water-tightness

Replace the seals.

Replace the seals with others of

different material and more

appropriate for the product.

Tighten the clamp

INTERNAL LEAK OF

THE PRODUCT

(VALVE CLOSED)

Premature wearing of the seals

Replace the seals.

Premature

wearing of

the seals

Watertight seal worn or affected by the

product.

Excessive pressure in the line.

Working temperature too high

Loss of watertightness (vibration).

Replace the seals with others of

different quality, if prematurely

deteriorated.

Tighten the weak pieces

Clean frequently

Backpressure

Replace the spring with a stronger

one.

VALVE DOES NOT

OPEN/CLOSE

Deformation of sealing joint.

Spring in poor condition and/or jammed (dirtiness)

Replace the seals with others of

different quality, if prematurely

deteriorated.

Replace spring and/or shaft (clean).

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