Spirax Sarco BSA3-BD Manuale utente

IM-P184-19 CTLS Issue 4 1

BSA3-BD and BSA6-BD Bellows Sealed Stop Valves

1. Safety information

2. General product information

3. Installation

4. Commissioning

5. Operation

6. Maintenance and spare parts

Printed in GB

1846350/4

BSA3-BD and BSA6-BD

Bellows Sealed Stop Valves

Installation and Maintenance Instructions

IM- P184-19

CTLS Issue 4

DN300 shown

IM-P184-19 CTLS Issue 4

BSA3-BD and BSA6-BD Bellows Sealed Stop Valves

IM-P184-19 CTLS Issue 4 3

BSA3-BD and BSA6-BD Bellows Sealed Stop Valves

Safe operation of these products can only be guaranteed if they are properly installed, commissioned,

used and maintained by qualified personnel (see Section 1.11) in compliance with the operating

instructions. General installation and safety instructions for pipeline and plant construction, as

well as the proper use of tools and safety equipment must also be complied with.

1.1 Intended use

Referring to the Installation and Maintenance Instructions, name-plate and Technical Information

Sheet, check that the product is suitable for the intended use/application.

The products listed below comply with the requirements of the EU Pressure Equipment Directive

/ UK Pressure Equipment (Safety) Regulations and each carries the mark when so required.

The products fall within the following Pressure Equipment Directive (PED) categories:

Product Group 1

Gases

Group 2

Gases

Group 1

Liquids

Group 2

Liquids

BSA3-BD

PN16

DN200 212SEP

DN250 - DN300 322SEP

DN350 - DN400 3321

PN25

DN200 322SEP

DN250 3221

DN300 - DN400 3321

PN40

DN200 322SEP

DN250 3221

DN300 - DN400 3321

BSA6-DB

DN125 212SEP

DN150 - DN200 212SEP

DN125 212SEP

DN150 - DN200 212SEP

1. Safety information

IM-P184-19 CTLS Issue 4

BSA3-BD and BSA6-BD Bellows Sealed Stop Valves

i) The product has been specifically designed for use on steam, compressed air, water/condensate

which are in Group 2 of the above mentioned Pressure Equipment Directive.

ii) A number of products are supplied for the intention of the end user (or agent thereof) modifying

the flange configuration from that supplied. It is the responsibility of the organisation carrying

out the modification to do so in accordance with the internationally recognised flange standards

and to ensure that the design rating and operation of the product are not compromised. Spirax Sarco

will not be held responsible for any unapproved modification or consequential liability resulting

in failure to observe these requirements.

iii) Determine the correct installation situation and direction of fluid flow.

iv) Spirax Sarco products are not intended to withstand external stresses that may be induced by

any system to which they are fitted. It is the responsibility of the installer to consider these

stresses and take adequate precautions to minimise them.

v) Remove protection covers from all connections and protective film from all name-plates, where

appropriate, before installation on steam or other high temperature applications.

1.2 Access

Ensure safe access and if necessary a safe working platform (suitably guarded) before attempting

to work on the product. Arrange suitable lifting gear if required.

1.3 Lighting

Ensure adequate lighting, particularly where detailed or intricate work is required.

1.4 Hazardous liquids or gases in the pipeline

Consider what is in the pipeline or what may have been in the pipeline at some previous time.

Consider: flammable materials, substances hazardous to health, extremes of temperature.

1.5 Hazardous environment around the product

Consider: explosion risk areas, lack of oxygen (e.g. tanks, pits), dangerous gases, extremes of

temperature, hot surfaces, fire hazard (e.g. during welding), excessive noise, moving machinery.

1.6 The system

Consider the effect on the complete system of the work proposed. Will any proposed action (e.g. closing

isolation valves, electrical isolation) put any other part of the system or any personnel at risk?

Dangers might include isolation of vents or protective devices or the rendering ineffective of

controls or alarms. Ensure isolation valves are turned on and off in a gradual way to avoid system

shocks.

1.7 Pressure systems

Ensure that any pressure is isolated and safely vented to atmospheric pressure. Consider double

isolation (double block and bleed) and the locking or labelling of closed valves. Do not assume

that the system has depressurised even when the pressure gauge indicates zero.

1.8 Temperature

Allow time for temperature to normalise after isolation to avoid the danger of burns.

IM-P184-19 CTLS Issue 4 5

BSA3-BD and BSA6-BD Bellows Sealed Stop Valves

1.9 Tools and consumables

Before starting work ensure that you have suitable tools and/or consumables available. Use only

genuine Spirax Sarco replacement parts.

1.10 Protective clothing

Consider whether you and/or others in the vicinity require any protective clothing to protect against

the hazards of, for example, chemicals, high/low temperature, radiation, noise, falling objects, and

dangers to eyes and face.

1.11 Permits to work

All work must be carried out or be supervised by a suitably competent person.

Installation and operating personnel should be trained in the correct use of the product according

to the Installation and Maintenance Instructions.

Where a formal 'permit to work' system is in force it must be complied with. Where there is no such

system, it is recommended that a responsible person should know what work is going on and,

where necessary, arrange to have an assistant whose primary responsibility is safety.

Post 'warning notices' if necessary.

1.12 Handling

Manual handling of large and/or heavy products may present a risk of injury. Lifting, pushing,

pulling, carrying or supporting a load by bodily force can cause injury particularly to the back.

You are advised to assess the risks taking into account the task, the individual, the load and the

working environment and use the appropriate handling method depending on the circumstances

of the work being done.

1.13 Residual hazards

In normal use the external surface of the product may be very hot. If used at the maximum permitted

operating conditions the surface temperature of some poducts may reach temperatures in excess

of 425 °C (797 °F).

Many products are not self-draining. Take due care when dismantling or removing the product from

an installation (refer to 'Maintenance instructions').

1.14 Freezing

Provision must be made to protect products which are not self-draining against frost damage in

environments where they may be exposed to temperatures below freezing point.

1.15 Safety information - Product specific

See the relevant Sections in the attached Installation and Maintenance Instructions for specific

details relating to these products.

Warning

The body/bonnet collar gaskets contain a thin stainless steel support ring which may cause physical

injury if they are not handled and disposed of carefully.

Care must be taken when opening and closing the handwheel to prevent any possible injury to the

hands from the locking screw.

IM-P184-19 CTLS Issue 4

BSA3-BD and BSA6-BD Bellows Sealed Stop Valves

1.16 Disposal

Unless otherwise stated in the Installation and Maintenance Instructions, this product is recyclable

and no ecological hazard is anticipated with its disposal providing due care is taken.

Please visit the Spirax Sarco product compliance web pages

https://www.spiraxsarco.com/product-compliance

for up to date information on any substances of concern that may be contained within this product.

Where no additional information is provided on the Spirax Sarco product compliance web page,

this product may be safely recycled and/or disposed providing due care is taken. Always check

your local recycling and disposal regulations.

1.17 Returning products

Customers and stockists are reminded that under EC Health, Safety and Environment Law, when

returning products to Spirax Sarco they must provide information on any hazards and the precautions

to be taken due to contamination residues or mechanical damage which may present a health,

safety or environmental risk. This information must be provided in writing including Health and

Safety data sheets relating to any substances identified as hazardous or potentially hazardous.

IM-P184-19 CTLS Issue 4 7

BSA3-BD and BSA6-BD Bellows Sealed Stop Valves

2.1 General description

A range of sealed, in-line stop valves having tri-ply bellows as standard throughout the range. These valves

have been designed for use on steam, gas, liquid, thermal oils, condensate and water systems.

The BSA3-BD is fitted with a flat, balanced pressure plug as standard.

The BSA3-BD and BSA6-BD are fitted with a flat, balanced pressure plug as standard.

Certification

The BSA3-BD and BSA6-BD body and bonnet are available with certification to EN 10204 3.1.

Note: All certification/inspection requirements must be stated at the time of order placement.

Note: For further technical information regarding this product range see TI-P184-18.

2.2 Sizes and pipe connections

BSA3-BD: DN200, DN250, DN300, DN350 and DN400 Flanged EN 1092 PN16, PN25 and PN40

BSA6-BD: DN125, DN150 and DN200 Flanged EN 1092 PN16 and PN25

2. General product information

IM-P184-19 CTLS Issue 4

BSA3-BD and BSA6-BD Bellows Sealed Stop Valves

Pressure/temperature limits - EN 12516-1

The product must not be

used in this region or

beyond the parameter of

the PMA or TMA of the

relative end connection.

A - B - B PN40

A - C - C PN25

A - D - D PN16

Temperature °C

Pressure bar g

100

200

300

400

10 20 30 40

A D

Steam saturation

curve

Fig. 1

DN200 and DN250 BSA3-BD

bellows sealed stop valves

Fig. 2

DN300 to DN400 BSA3-BD

bellows sealed stop valves

2.3 BSA3-BD

IM-P184-19 CTLS Issue 4 9

BSA3-BD and BSA6-BD Bellows Sealed Stop Valves

A - B - B PN40

Body design condition PN40

PMA Maximum allowable pressure 39 bar g @ 0 °C

TMA Maximum allowable temperature 400 °C @ 21.1 bar g

Minimum allowable temperature -10 °C

PMO Maximum operating pressure for saturated steam service 26.8 bar g

TMO Maximum operating temperature 400 °C @ 21.1 bar g

Minimum operating temperature -10 °C

Minimum operating pressure 0 bar g

Maximum differential pressure is limited to the PMO

Designed for a maximum cold hydraulic test pressure of: 60 bar g

A - C - C PN25

Body design condition PN25

PMA Maximum allowable pressure 24.4 bar g @ 0 °C

TMA Maximum allowable temperature 400 °C @ 13.2 bar g

Minimum allowable temperature -10 °C

PMO Maximum operating pressure for saturated steam service 17.5 bar g

TMO Maximum operating temperature 400 °C @ 13.2 bar g

Minimum operating temperature -10 °C

Minimum operating pressure 0 bar g

Maximum differential pressure is limited to the PMO

Designed for a maximum cold hydraulic test pressure of: 37.5 bar g

A - D - D PN16

Body design condition PN16

PMA Maximum allowable pressure 15.6 bar g @ 0 °C

TMA Maximum allowable temperature 400 °C @ 8.4 bar g

Minimum allowable temperature -10 °C

PMO Maximum operating pressure for saturated steam service 11.6 bar g

TMO Maximum operating temperature 400 °C @ 8.4 bar g

Minimum operating temperature -10 °C

Minimum operating pressure 0 bar g

Maximum differential pressure is limited to the PMO

Designed for a maximum cold hydraulic test pressure of: 24 bar g

IM-P184-19 CTLS Issue 4

BSA3-BD and BSA6-BD Bellows Sealed Stop Valves

Pressure/temperature limits - EN 12516-1

350

250

150

-10

400

300

200

100

0 5 10 15 20 25

Steam saturation curve

Temperature °C

Pressure bar g

The product must

not be used in this

region or beyond the

parameter of the PMA

or TMA of the relative

end connection.

A - B - B PN25

A - C - C PN16

2.4 BSA6-BD

Fig. 3

DN125 to DN200 BSA6-BD

bellows sealed stop valves

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