Spirax Sarco K Series Manual de usuario

IM-S24-15 CH Issue 4 1

K and L Series

Two-port Control Valves

Installation and Maintenance Instructions

1. Safety information

2. General product

information

3. Installation and

commissioning

4. Maintenance

5. Spare parts

IM-S24-15

CH Issue 4

3010052/4

IM-S24-15 CH Issue 4

1.1 Intended use

1. Safety information

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.

Safety note - Handling precautions

PTFE

Within its working temperature range PTFE is a completely inert material, but when

heated to its sintering temperature it gives rise to gaseous decomposition products

or fumes which can produce unpleasant effects if inhaled. The inhalation of these

fumes is easily prevented by applying local exhaust ventilation to atmosphere as

near to their source as possible.

Smoking should be prohibited in workshops where PTFE is handled because

tobacco contaminated with PTFE will during burning give rise to polymer fumes. It

is therefore important to avoid contamination of clothing, especially the pockets,

with PTFE and to maintain a reasonable standard or personal cleanliness by washing

hands and removing any PTFE particles lodged under the fingernails.

LAMINATED GASKETS

The metal foil sheet used to reinforce gaskets is very thin and sharp. Care should

be taken when handling to avoid the possibility of cuts or lacerations to fingers

or hands.

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 on pages 3, 4 and 5 comply with the requirements of the European

Pressure Equipment Directive 97/23/EC, carry the mark when so required and fall

within the Pressure Equipment Directive categories stated.

i) The products have been specifically designed for use on steam, air or condensate

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

can also be used on propane or methane gases which are in Group 1 of the above

mentioned Pressure Equipment Directive. The products’ use on other fluids may

be possible but, if this is contemplated, Spirax Sarco should be contacted to

confirm the suitability of the product for the application being considered.

ii) Check material suitability, pressure and temperature and their maximum and

minimum values. If the maximum operating limits of the product are lower than those

of the system in which it is being fitted, or if malfunction of the product

could result in a dangerous overpressure or overtemperature occurrence, ensure

a safety device is included in the system to prevent such over-limit situations.

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 before installation.

IM-S24-15 CH Issue 4 3

KE valves

Group 1 Group 2 Group 1 Group 2

Product

Gases Gases Liquids Liquids

DN15 - DN25 SEP SEP SEP SEP

DN32 2 SEP SEP SEP

KE43 PN40 DN40 - DN50 2 1 SEP SEP

DN65 - DN100 2 1 2 SEP

DN15 - DN25 SEP SEP SEP SEP

DN32 2 SEP SEP SEP

KE43B1 PN40 DN40 - DN50 2 1 SEP SEP

DN65 - DN100 2 1 2 SEP

DN15 - DN25 SEP SEP SEP SEP

DN32 2 SEP SEP SEP

KE43B4 PN40 DN40 - DN50 2 1 SEP SEP

DN65 - DN100 2 1 2 SEP

KE61 PN40 DN15 - DN25 SEP SEP SEP SEP

DN15 - DN25 SEP SEP SEP SEP

DN32 2 SEP SEP SEP

KE63 PN40 DN40 - DN50 2 1 SEP SEP

DN65 - DN100 2 1 2 SEP

DN15 - DN25 SEP SEP SEP SEP

KE71 PN25 DN32 - DN40 1 SEP SEP SEP

DN50 2 1 SEP SEP

DN15 - DN25 SEP SEP SEP SEP

KE71B1 PN25 DN32 - DN40 1 SEP SEP SEP

DN50 2 1 SEP SEP

DN15 - DN25 SEP SEP SEP SEP

KE71B4 PN25 DN32 - DN40 1 SEP SEP SEP

DN50 2 1 SEP SEP

DN15 - DN25 SEP SEP SEP SEP

DN32 - DN40 1 SEP SEP SEP

KE73 PN25 DN50 - DN80 2 1 SEP SEP

DN100 2 1 2 SEP

DN15 - DN25 SEP SEP SEP SEP

DN32 - DN40 1 SEP SEP SEP

KE73B1 PN25 DN50 - DN80 2 1 SEP SEP

DN100 2 1 2 SEP

DN15 - DN25 SEP SEP SEP SEP

KE73B4 PN25 DN32 - DN40 1 SEP SEP SEP

DN50 - DN80 2 1 SEP SEP

DN100 2 1 2 SEP

IM-S24-15 CH Issue 4

KEA valves

Group 1 Group 2 Group 1 Group 2

Product Gases Gases Liquids Liquids

DN15 - DN25 SEP SEP SEP SEP

DN32 2 SEP SEP SEP

KEA41 ANSI 300 DN40 2 1 SEP SEP

DN50 2 1 2 SEP

DN15 - DN25 SEP SEP SEP SEP

DN40 - DN50 1 SEP SEP SEP

ANSI 150 DN65 - DN100 2 1 SEP SEP

DN150 2 1 2 SEP

DN200 3 2 2 SEP

KEA43 DN15 - DN25 SEP SEP SEP SEP

DN40 2 1 SEP SEP

ANSI 300 DN50 - DN100 2 1 2 SEP

DN150 - DN200 3 2 2 SEP

DN15 - DN25 SEP SEP SEP SEP

DN32 2 SEP SEP SEP

KEA61 ANSI 300 DN40 2 1 SEP SEP

DN50 2 1 2 SEP

DN15 - DN25 SEP SEP SEP SEP

DN40 - DN50 1 SEP SEP SEP

ANSI 150 DN65 - DN100 2 1 SEP SEP

DN150 2 1 2 SEP

DN200 3 2 2 SEP

KEA63 DN15 - DN25 SEP SEP SEP SEP

DN40 2 1 SEP SEP

ANSI 300 DN50 - DN100 2 1 2 SEP

DN150 - DN200 3 2 2 SEP

DN15 - DN25 SEP SEP SEP SEP

KEA71 ANSI 250 DN32 - DN50 2 2 2 SEP

DN15 - DN25 SEP SEP SEP SEP

DN40 - DN65 1 SEP SEP SEP

ANSI 125 DN80 - DN100 2 1 SEP SEP

DN150 - DN200 2 1 2 SEP

KEA73 DN15 - DN25 SEP SEP SEP SEP

DN40 - DN50 2 1 SEP SEP

ANSI 250 DN65 - DN100 2 1 2 SEP

DN150 - DN200 3 2 2 SEP

IM-S24-15 CH Issue 4 5

LE valves

Group 1 Group 2 Group 1 Group 2

Product Gases Gases Liquids Liquids

LE31 PN16 DN15 - DN50 - SEP - SEP

LE31B1 PN16 DN15 - DN50 - SEP - SEP

LE33 PN16 DN15 - DN50 - SEP - SEP

DN65 - DN100 - 1 - SEP

LE33B1 PN16 DN15 - DN50 - SEP - SEP

DN65 - DN100 - 1 - SEP

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.

Group 1 Group 2 Group 1 Group 2

Product Gases Gases Liquids Liquids

LEA31 ANSI 125 DN15 - DN50 - SEP - SEP

LEA33 ANSI 125 DN25 - DN65 - SEP - SEP

DN80 - DN100 - 1 - SEP

LEA valves

IM-S24-15 CH Issue 4

1.8 Temperature

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

consider whether protective clothing (including safety glasses) is required.

PTFE SEALS

If seals made from PTFE have been subjected to a temperature approaching 260°C (500°F)

or higher, they will give off toxic fumes, which if inhaled are likely to cause temporary

discomfort. It is essential for a no smoking rule to be enforced in all areas where PTFE is

stored, handled or processed as persons inhaling the fumes from burning tabacco

contaminated with PTFE particles can develop ‘polymer fume fever’.

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 products

may reach temperatures of 350°C (662°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.

IM-S24-15 CH Issue 4 7

1.15 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. However, if the valve is fitted with a Viton or PTFE seat,

special care must be taken to avoid potential health hazards associated with

decomposition / burning of these seats.

PTFE:

- Can only be disposed of by approved methods, not incineration.

- Keep PTFE waste in a separate container, do not mix it with other rubbish, and

consign it to a landfill site.

1.16 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-S24-15 CH Issue 4

2. General product information

The K and L series control valve range consists of; two-port single seat globe valves with

cage-retained seats conforming to either EN 1092 or ANSI/ASTM specification. These valves

are available in three body materials: SG iron, cast steel or stainless steel (with the exception

of the L series, which is available in cast iron only) in sizes DN15 to DN100 (½" to 4").

2.1 Pressure / temperature limits - KE and LE valves

KE43, KE61 and KE63 PN40

Body design KE71 and KE73 PN25

conditions KE43B1, KE61B1, KE63B1, KE71B1 and KE73B1 PN16

LE31, LE31B1, LE33 and LE33B1 PN16

KE43 40 bar g @ 120°C

Maximum design KE61 and KE63 40 bar g @ 50°C

pressure KE71 and KE73 25 bar g @ 110°C

KE43B1, KE61B1, KE63B1, KE71B1 and KE73B1 16 bar g @ 110°C

LE31, LE31B1, LE33 and LE33B1 16 bar g @ 110°C

KE43, KE61 and KE63 400°C

Maximum design KE71 and KE73 350°C

temperature KE43B1, KE61B1, KE63B1, KE71B1 and KE73B1 300°C

LE31, LE31B1, LE33 and LE33B1 300°C

Minimum design KE43B1, KE61B1, KE63B1, KE71B1 and KE73B1 -10°C

temperature KE61 and KE63 -10°C

LE31, LE31B1, LE33 and LE33B1 -10°C

Standard packing PTFE chevron 250°C

PTFE soft seat (G) 200°C

High temperature packing (H) LE Valves 300°C

Maximum operating High temperature packing (H) 400°C

temperature Extended bonnet (E) with PTFE chevron 250°C

Extended bonnet (E) with graphite packing 300°C

Bellows (B1) 300°C

Designed for a KE43 60 bar g

maximum cold KE61 and KE63 60 bar g

hydraulic test KE71 and KE73 38 bar g

pressure of: LE31 and LE33 24 bar g

Warning for valves fitted with bellows - Remove bellows before hydraulic testing is done

Maximum differential pressures: See relevant actuator Technical Information sheet

Key to charts on page 9:

The product must not be used in this region.

High temperature packing is required for use in this region.

High temperature bolting and packing is required for use in this region.

A - A Note: Valves ﬁtted with PN16 bellows (B1) are limited to the maximum bellows rating

of 16 bar.

IM-S24-15 CH Issue 4 9

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Pressure bar g

Temperature °C

Temperature °CTemperature °C Temperature °C

Temperature °C

KE43, KE43B1

and KE43B4

(cast steel)

KE71 and KE71B1,

KE73 and KE73B1

(SG iron)

KE61 and KE63

(stainless steel)

LE31B1 and LE33B1

( cast iron)

LE31 and LE33

(cast iron)

Steam

saturation

curve

Steam

saturation

curve

Steam

saturation

curve

Steam

saturation

curve

Steam

saturation

curve

IM-S24-15 CH Issue 4

2.2 Pressure / temperature limits - ANSI KEA and LEA valves

KEA41 and KEA43 ANSI 150 or ANSI 300

Body design KEA61 and KEA63 ANSI 150 or ANSI 300

conditions KEA71 and KEA73 ANSI 125 or ANSI 250

LEA31 and LEA33 ANSI 125

KEA41 and KEA43 740 psi g @ 100°F

Maximum design KEA61 and KEA63 720 psi g @ 100°F

pressure KEA71 and KEA73 450 psi g @ 200°F

LEA31 and LEA33 200 psi g @ 150°F

Maximum design KEA41, KEA43, KEA61 and KEA63 800°F

temperature KEA71 and KEA73 450°F

LEA31 and LEA33 450°F

Minimum design KEA41, KEA43, KEA71 and KEA73 14°F

temperature KEA61 and KEA63 -20°F

LEA31 and LEA33 14°F

Standard packing PTFE chevron 482°F

PTFE soft seat (G) 400°F

Maximum operating KEA41, KEA43,

temperature KEA61 and KEA63 High temperature packing (H) 800°F

KEA71 and KEA73

LEA31 and LEA33 High temperature packing (H) 450°F

KEA41 and KEA43 ANSI 150 450 psi g

ANSI 300 1 125 psi g

Maximum cold ANSI 150 425 psi g

hydraulic test KEA61 and KEA63 ANSI 300 1 100 psi g

pressure: KEA71 and KEA73 ANSI 125 300 psi g

ANSI 250 750 psi g

LEA31 and LEA33 ANSI 125 300 psi g

Warning for valves fitted with bellows - Remove bellows before hydraulic testing is done

Maximum differential pressures: See relevant actuator Technical Information sheet

Key to charts on page 11:

The product must not be used in this region.

Graphite stem sealing is required for use in this region. Note: As standard the KEA,

KFA, KLA series two-port control valves are supplied with the PTFE stem sealing

option.

The product should not be used in this region or beyond its operating range as

damage to the internals may occur.

A - B Flanged ANSI 300 and screwed NPT (KEA41 and KEA61).

A - D Flanged ANSI 150.

A - C Flanged ANSI 250 and screwed NPT (KEA71).

A - E Flanged ANSI 125.

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