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Spirax Sarco MSC-125, Installation And Maintenance Instructions Manual

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Spirax Sarco MSC-125 Installation And Maintenance Instructions Manual Download Page 1

IM-P117-39 

 CMGT Issue 1

1

MSC04 shown

1. Safety information

2. General product 

information

3. Installation

4. Commissioning

5. Operation

6. Maintenance

7. Spare parts

© Copyright 2017 

Printed in GB

IM-P117-39

CMGT Issue 1

1170152/1

 MSC-125 and MSC-160 Manifolds for Steam 

Distribution and Condensate Collection

Installation and Maintenance Instructions

Summary of Contents for MSC-125

Page 1: ...oduct information 3 Installation 4 Commissioning 5 Operation 6 Maintenance 7 Spare parts Copyright 2017 Printed in GB IM P117 39 CMGT Issue 1 1170152 1 MSC 125 and MSC 160 Manifolds for Steam Distribution and Condensate Collection Installation and Maintenance Instructions ...

Page 2: ...itability 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 i...

Page 3: ... even when the pressure gauge indicates zero 1 8 Temperature Allow time for temperature to normalise after isolation to avoid the danger of burns 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 protec...

Page 4: ...oduct 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 Disposal Unless otherwise stated in the Installation and Maintenance Instructions this product is recyclable and no ecological hazard is anticipated ...

Page 5: ...at extra cost Mounting kit comprising of studs spacers and nuts Insulating jacket Fitted with steam traps for quick installation projects Fig 1 Type MSC04 socket weld version shown Flow direction when used for condensate collection duty Flow direction when used for steam distribution duty Recommended alternatives Standards This product fully complies with the requirements of the European Pressure ...

Page 6: ...spectively DN15 and DN20 screwed BSP NPT or socket weld to B16 11 Class 3000 tracer ports are available as standard MSC04 160 MSC08 160 and MSC12 160 with 160mm pitch respectively DN15 and DN20 screwed BSP NPT or socket weld to B16 11 Class 3000 tracer ports are available as standard The steam main condensate return connection is DN40 socket weld to ASME B 16 11 as standard Alternative connections...

Page 7: ...mperature 46 C 50 F PMO Maximum operating pressure for saturated steam service ASME 150 14 bar g 203 psi g ASME 300 SW NPT 602 psi g TMO Maximum operating temperature ASME 150 425 C 5 5 bar g 797 F 80 psi g ASME 300 SW NPT 425 C 28 bar g 797 F 406 psi g Minimum operating temperature 0 C 32 F Note For lower operating temperatures consult Spirax Sarco Designed for a maximum cold hydraulic test press...

Page 8: ...ingle set comprising 2 off each stud nut and spacer suitable for installing one MSC04 or MSC08 A single set comprising 4 off each stud nut and spacer suitable for installing one MSC12 A multiple set comprising 12 off each stud nut and spacer suitable for installing 6 x MSC04 6 x MSC08 or 3 x MSC12 After installation it is recommended that the manifold is insulated to minimise radiated heat losses ...

Page 9: ...large sealing area of the piston valve it is not necessary to use a valve key to ensure leaktight shut off During opening operation the piston is stopped when the valve is fully open as its top touches the inside of the bonnet Operation of the handwheel should always be light After installation or maintenance ensure that the system is fully functioning Carry out tests on any alarms or protective d...

Page 10: ...domed lock nut item 11 should be locked together by unscrewing the top nut by an th of a turn whilst maintaining the position of the domed lock nut 6 2 Preparation of valve dismantling Before starting work ensure that you have suitable tools and or consumables available Before attempting to carry out any maintenance ensure that the manifold is fully isolated and safely depressurised Do not assume ...

Page 11: ...P117 39 CMGT Issue 1 11 Manifold inlet Extractor tool Fig 4 View showing valve internals extractor tool Fig 3 View showing valve internals 1 6 2 7 3 4 5 10 8 9 12 Washer Top nut Domed lock nut 11 12 Washer ...

Page 12: ...e based grease to threads only not to internals and piston 6 5 Reassembling the valve See Figure 5 Take the piston valve sub assembly 6 7 8 and 9 lightly inserting it into the pipeline connector body 1 and applying an even downwards force using the bonnet assembly 2 over the studs Fit the belleville washers 5 and nuts 4 and evenly tighten the bonnet assembly 2 down to a torque of 12 Nm 8 9 lbf ft ...

Page 13: ...P117 39 CMGT Issue 1 13 Manifold inlet Extractor tool Fig 6 View showing valve internals extractor tool Fig 5 View showing valve internals 1 6 2 7 3 4 5 10 9 12 Washer Top nut 12 Washer 8 Domed lock nut 11 ...

Page 14: ...y 2 4 5 6 7 8 9 10 11 and 12 Piston valve sub assembly 6 7 8 and 9 Extractor tool See Figure 6 on page 13 Mounting kit See Figure 2 on page 9 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 manifold Example 1 Sealing ring set for an integral piston valve on a carbon steel manifold MSC04 125 DN15 socket weld...

Page 15: ...IM P117 39 CMGT Issue 1 15 ...

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