Spirax Sarco M70i ISO Installation And Maintenance Instructions Manual Download Page 2

IM-P173-01-EN-ISS1 

CMGT

2

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.

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 European Pressure 
Equipment Directive (PED) and carry the 

 mark when so required. 

The products fall within the following Pressure Equipment Directive categories:

Product

Group 1

Gases

Group 2

Gases

Group 1

Liquids

Group 2

Liquids

M70i ISO and M80i ISO

½"

SEP

SEP

SEP

SEP

¾"

SEP

SEP

SEP

SEP

1"

SEP

SEP

SEP

SEP

1½"

2

1

2

SEP

2"

2

1

2

SEP

2½"

2

1

2

SEP

3"

2

1

2

SEP

4"

2

1

2

SEP

Summary of Contents for M70i ISO

Page 1: ...ion 4 Commissioning 5 Operation 6 Maintenance and Spare parts Copyright 2018 Printed in GB IM P173 01 EN ISS1 CMGT 1820050 3 M70i ISO and M80i ISO Stainless Steel Ball Valves for Sanitary Systems Inst...

Page 2: ...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 pro...

Page 3: ...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...

Page 4: ...an 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 Prote...

Page 5: ...and Maintenance Instructions this product is recyclable and no ecological hazard is anticipated with its disposal providing due care is taken with the exception of PTFE PTFE Can only be disposed of b...

Page 6: ...Pressure Equipment Directive PED and carry the mark when so required Certification These products are available with the following certification Material certification to EN 10204 3 1 Elastomer FDA US...

Page 7: ...uses 6 x studs enclosing the body section Fig 1 M70i ISO 1 1 and 2 2 2 Sizes and pipe connections M70i 1 1 and 2 Sanitary clamp ASME BPE Extended O D tube weld ends ETO ASME BPE M80i 2 3 and 4 Sanitar...

Page 8: ...600 700 2 3 Pressure temperature limits Temperature C Pressure bar g M70i ISO Temperature C Pressure bar g M80i ISO Temperature F Pressure psi g Temperature F Pressure psi g Steam saturation curve Ste...

Page 9: ...ressure for saturated steam service M70i ISO Virgin PTFE TFM 1600 7 0 bar g 101 psi g Mineral filled PTFE 8 5 bar g 123 psi g M80i ISO Virgin PTFE TFM 1600 7 0 bar g 101 psi g TMO Maximum operating te...

Page 10: ...e 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 th...

Page 11: ...ure 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 Special care must be taken to ensure that the moveme...

Page 12: ...tenance work can be carried out without removing the complete ball valve from the pipeline Remove the two upper nuts and bolts see Table 1 for item no and loosen the lower two The complete body assemb...

Page 13: ...utline Parts drawn in a grey line are not supplied as spares M70i ISO Seat and seal set 5 6 16 18 M70i CF ISO Seat and seal set with cavity filler 5 6 15 16 18 How to order spares Always order spares...

Page 14: ...place stem seals Remove the body as described in Section 6 2 Make sure the valve is in Closed position Remove the stem nut 10 Remove the handle 12 and the lock washer 9 Remove the compression nut 8 Re...

Page 15: ...cavity filler is shown 6 3 4 Reassembly Reassemble in reverse order to the instructions given above The securing bolts and nuts 14 should be tightened to the recommmended torques shown in Table 1 Aft...

Page 16: ...hrust washer 5a 6 11 16 18 19 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 Integrate...

Page 17: ...the body as described in Section 6 2 Make sure the valve is in Closed position Remove the stem nut 10 Remove the handle 12 and the lock washer 9 Remove the compression nut 8 Remove the Belleville wash...

Page 18: ...he securing bolts and nuts 14 should be tightened to the recommmended torques shown in Table 1 page 12 After 24 hours in service retighten body bolts 19 5 5a 11 6 16 The 2 unit has 4 x bolts nuts and...

Page 19: ...IM P173 01 EN ISS1 CMGT 19...

Page 20: ...IM P173 01 EN ISS1 CMGT 20...

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