Spirax Sarco M15 Series Manuel utilisateur

IM-P133-41 ST Issue 1 1

M15 ISO Ball Valve

Screwed, SW, BW and flanged versions

Installation and Maintenance Instructions

IM-P133-41

ST Issue 1

BAC 13309

1. General

safety information

2. General

product information

3. Installation

4. Commissioning

5. Operation

6. Maintenance

7. pare parts

IM-P133-41 ST Issue 12

1. General safety information

Safe operation of the unit can only be guaranteed if it is properly installed,

commissioned and maintained by a qualified person (see Section 11 of the attached

SupplementarySafetyInformation)incompliancewiththeoperatinginstructions.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.

Isolation

Consider whether closing isolating valves will put any other part of the system or

personnel at risk. Dangers might include; isolation of vents and protective devices or

alarms. Ensure isolation valves are turned off in a gradual way to avoid system shocks.

Pressure

Before attempting any maintenance consider what is or may have been in the pipeline.

Ensure that any pressure is isolated and safely vented to atmospheric pressure before

attempting to maintain the product, this is easily achieved by fitting Spirax Sarco

depressurisation valves type DV (see separate literature for details). Do not assume

that the system is depressurised even when a pressure gauge indicates zero.

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.

Disposal

The product is recyclable. No ecological hazard is anticipated with the disposal of this

product providing due care is taken.

IM-P133-41 ST Issue 1 3

2.1 General description

M15ISO isa threepiece bodyball valvedesign withmetal seats.This makesit suitablefor working

with:Fluids thatcontainsolidsinsuspension,hightemperaturefluidsandflowcontrolapplications.

ISO mounting

The integral ISO body mounting allows the valve to be automated without losing seal integrity,

as the body does not require disassembly. Manual to remote control may therefore be safely and

easily accomplished by the ISO range of Spirax Sarco ball valves.

Available types

Note: The nomenclature will be followed with either FB (full bore) or RB (reduced bore)

i.e. M153KRB ISO.

M152V_ _ ISO Zinc plated carbon steel body, Viton 'O' ring.

M152K_ _ ISO Zinc plated carbon steel body, Kalrez 'O' ring.

M153V_ _ ISO Stainless steel body, Viton 'O' ring.

M153K_ _ ISO Stainless steel body, Kalrez 'O' ring.

M154V_ _ ISO Complete stainless steel, Viton 'O' ring.

M154K_ _ ISO Complete stainless steel, Kalrez 'O' ring.

Note: For additional information see Technical Information Sheet, TI-P133-34.

2. General product information

Fig. 1 M15 ISO ball valve

IM-P133-41 ST Issue 14

Pressure bar g

Temperature °C

0510 15 21

100

150

220

300

250

Steam

saturation

curve

A - B - C M15_K using Kalrez 'O' ring.

D - E - C M15_V using Viton 'O' ring.

2.2 Sizes and pipe connections

¼", 2", ½", ¾", 1", 1¼", 1½", 2", (2½" only available with reduced bore).

Screwed BSP, BSPT, NPT, SW, BW full bore and reduced bore.

DN15 - 50 (DN65 only available with reduced bore).

Flanged ANSI 150 and ANSI 300, full bore and reduced bore.

Flanged DIN PN40, full bore and reduced bore.

2.3 Limiting conditions

Maximum operating temperature M15V 220°C @ 21 bar g

M15K 300°C @ 21 bar g

Maximum operating pressure M15V 21 bar g @ 220°C

M15K 21 bar g @ 300°C

Maximum saturation steam pressure 21 bar g

Designed for a maximum cold hydraulic test pressure of: 32 bar g

2.4 Operating range

IM-P133-41 ST Issue 1 5

Note: Before actioning any installation observe the 'Safety information' in Section 1.

Although the valve has great structural integrity, severe misalignment and/or the pulling effect of

incorrect pipe length will have a detrimental effect on the valve and must be avoided. Particular

attention should be paid to correct pipe alignment such that the inlet pipework and valve are all on

the same axis.

Valvesareforbothon/offandcontrolapplicationsandmaybeinstalledwithflowineitherdirection.

Wherever practicable, valves should be installed where there is adequate space available so that

they can be conveniently operated and maintained.

Before installing a valve, check to ensure that size, pressure rating, materials of construction, end

connections, etc. are suitable for the service conditions of the particular application.

Care must be taken to ensure that all dirt which may have accumulated in the valve during storage

is removed before installation, maintain cleanliness during installation since the introduction of dirt

can result in damage to the valve seats and operating mechanism.

Tominimisethedangerofabrasiveparticlesdamagingtheseats,pipelinestrainersshouldbefitted

upstream of the valves.

Install the valve with the handle in a suitable position. The preferred position is with the spindle

vertical. The valve can be installed from the vertical to the horizontal plane (see Fig. 2 below).

3. Installation

Fig. 2 Correct installation

Donotmountthevalveupsidedown(Fig.3).

Fig. 3 Incorrect installation

When installed on steam systems a suitable

steam trap should be fitted immediately

upstreamofthe isolation valve. Thiswillensure

drainage of the pipe when the valve is closed,

and will prevent damage of the valve due to

waterhammer.Thedraintrapshouldbeeithera

ball float (FT) or thermodynamic (TD) type.

Correct condensate drainage of all upstream

pipework is also vital.

Valves should be installed into the pipeline

in the fully closed position. Prior to welding into

the pipeline, it will be necessary to:

1. Dismantle the end caps from the body.

2. Remove the stainless steel seat.

3. Weld each end cap to the pipeline.

4. Replace the stainless steel seats.

5. Reassemble.

Always open valves slowly to avoid system

shocks.

IM-P133-41 ST Issue 16

6. Maintenance

Note: Before actioning any maintenance programme observe

the 'Safety information' in Section 1.

6.1 General information

As with all mechanical devices, regular maintenance is the most efficient means of ensuring

continued operational efficiency.

Regular scheduled inspection of all valves is essential especially on valves which are operated

only occasionally.

6.2 General maintenance

Maintenance work can be carried out without removing the complete ball valve from the pipeline.

Remove the four nuts (17) and bolts (16). The complete body assembly can then be removed and

any new parts fitted.

Whenever the valve is dismantled, the graphite body gaskets (15) must be replaced before

reassembly.

Flanged valves: To proceed with maintenance work, the complete flanged valve requires

removalfromthe pipeline. Removethefour nuts(17)and withdraw the fourbolts(16).Thecomplete

body assembly can now be removed and the new parts fitted.

6.3 To replace seats (5)

-Remove the body as described in Section 6.2.

-With body removed, remove seats (5).

-Fit new seats (5) and seat 'O' rings (14), pushing them into the body recesses.

6.4 To replace the ball

-With body and seats removed, remove the ball (3).

-Fit the new ball into the valve body.

-Fit the new seats and seat seals as described in 6.3, above.

6.5 To replace stem seals (6, 6A and 7)

-Remove body as described in Section 6.2.

-Remove nuts (10, 10A), and two belleville washers (9).

-Replace stem seals (6, 6A and 7).

6.6 To replace body gasket (15)

-With body removed, remove the body gasket (15).

-Fit new body gaskets (15), pushing them into the body recesses.

6.7 Reassembly

Reassemble in reverse order to instructions given above. The securing bolts and nuts (16, 17)

should be tightened to the recommmended torques shown in Table 1 opposite.

After 24 hours in service, retighten body bolts.

4. Commissioning

After installation or maintenance ensure that the system is fully functioning. Carry out tests on

any alarms or protective devices.

5. Operation

The valve is operated manually by a handle, or automatically by an actuator. Special care must be

taken to ensure that the movement is made in the correct direction.

The valve can be used as an on/off valve or a modulation flow control valve, and can be operated

fully open, fully closed, or any point in between.

IM-P133-41 ST Issue 1 7

Table 1 Recommended tightening torques

Item no. Part Size N m (lbf ft)

¼", 2", ½" RB 10 7.4

½" FB ¾" RB 10 7.4

18 Securing bolts ¾" FB 1" RB 25 18.0

19 Nuts 1" FB 1¼" RB 25 18.0

1¼" FB 1½" RB 40 30.0

1½" FB 1½" RB 57 42.0

2" RB 75 55.0

¼", 2", ½" RB 5.4 - 8.1 4 - 6

½" FB ¾" RB 5.4 - 8.1 4 - 6

10A Stem nut ¾" FB 1" RB 17.5 - 20.3 13 - 15

1" FB 1¼" RB 17.5 - 20.3 13 - 15

1¼" FB 1½" RB 17.5 - 20.3 13 - 15

1½" FB 1½" RB 17.5 - 20.3 13 - 15

2" RB 40 - 47 30 - 34

Fig. 4 ¼" - ¾" shown

16 17

10A

1414 3

IM-P133-41 ST Issue 18

7. pare parts

Fig. 5 ¼" - ¾" shown

The spare parts available are shown in heavy outline. Parts drawn in broken line are not

supplied as spares.

Available spares

Ball 3

Seat, seals, 'O' ring and body gasket set 5, 6 and 6A, 7,14, 15

How to order spares

Always order spares by using the description given in the column headed 'Available spares'

and state the size and type of ball valve.

Example: 1 - Seat, seals, 'O' ring and body gasket set for a ½" M152VFB ISO ball valve.

5515

15 1414 3

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