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Copyright 2020 Baker Hughes Company. All rights reserved.

Safety Information

Important - Please read before installation

These instructions contain 

DANGER

WARNING

, and 

CAUTION

 

labels, where necessary, to alert you to safety related or other 

important  information.  Read  the  instructions  carefully  before 

installing  and  maintaining  your  control  valve. 

DANGER

 and 

WARNING

 hazards are related to personal injury. 

CAUTION

 

hazards  involve  equipment  or  property  damage.  Operation 

of  damaged 

equipment can, under certain operational 

conditions, result in degraded process system performance 

that can lead to injury or death. Total compliance with all 

DANGER

WARNING

, and 

CAUTION

 notices is required for safe 

operation.

This is the safety alert symbol. It alerts you to potential personal 

injury hazards. Obey all safety messages that follow this symbol 

to avoid possible injury or death.

Indicates a potentially hazardous situation which, if not avoided, 

could result in death or serious injury.

Indicates a potentially hazardous situation which, if not avoided, 

could result in serious injury.

Indicates a potentially hazardous situation which, if not avoided, 

could result in minor or moderate injury.

When  used  without  the  safety  alert  symbol,  indicates  a 

potentially hazardous situation which, if not avoided, could 

result in property damage.

Note: Indicates important facts and conditions.

About this Manual

• 

The information in this manual is subject to change without 

prior notice.

• 

The  information  contained  in  this  manual,  in  whole  or  part, 

shall  not  be  transcribed  or  copied  without  Baker  Hughes’s 

written permission.

• 

Please report any errors or questions about the information in 

this manual to your local supplier.

• 

These instructions are written specifically for the Masoneilan 

DSH Series Desuperheater, and do not apply for other valves 

outside of this product line.

Useful Life Period

The current estimated useful life period for the Masoneilan DSH 

Series  Desuperheater  is  25+  years.  To  maximize  the  useful 

life of the product, it is essential to conduct annual inspections, 

routine  maintenance  and  ensure  proper  installation  to  avoid 

any unintended stresses on the product. The specific operating 

conditions will also impact the useful life of the product. Consult 

the factory for guidance on specific applications if required prior 

to installation.

Warranty

Items sold by Baker Hughes are warranted to be free from defects 

in materials and workmanship for a period of one year from the 

date  of  shipment  provided  said  items  are  used  according  to 

Baker Hughes recommended usages. Baker Hughes reserves 

the right to discontinue manufacture of any product or change 

product materials, design or specifications without notice.

Note: Prior to installation:

• 

The valve must be installed, put into service and maintained by 

qualified and competent professionals who have undergone 

suitable training.

• 

All surrounding pipe lines must be thoroughly flushed to ensure 

all entrained debris has been removed from the system.

• 

Under  certain  operating  conditions,  the  use  of  damaged 

equipment could cause a degradation of the performance of 

the system which may lead to personal injury or death.

• 

Changes to specifications, structure, and components used 

may  not  lead  to  the  revision  of  this  manual  unless  such 

changes affect the function and performance of the product.

Summary of Contents for Masoneilan DSH Series

Page 1: ...Masoneilan DSH Series Desuperheater Instruction Manual Rev B Baker Hughes Data Classification Public...

Page 2: ...ICULAR REQUIREMENTS FOR OPERATION OF OTHER EQUIPMENT AT THE SITE THESE INSTRUCTIONS DO NOT PURPORT TO COVER ALL DETAILS OR VARIATIONS IN EQUIPMENT NOR TO PROVIDE FOR EVERY POSSIBLE CONTINGENCY TO BE M...

Page 3: ...3 Installation 3 Piping Cleanliness 3 Isolation Bypass Valve 4 Flow Direction 4 Welded Connections 4 Welding Process 4 Post Weld Cleaning and Assembly 4 Nozzles 4 Opening Nozzle Housing 4 Flushing Ope...

Page 4: ...hout Baker Hughes s written permission Please report any errors or questions about the information in this manual to your local supplier These instructions are written specifically for the Masoneilan...

Page 5: ...tional risks for assembly disassembly Proper techniques shall be followed to reduce the end users exposure to these hazards Personal protective equipment PPE and safety equipment shall be used in acco...

Page 6: ...ring spare parts the MODELAND SERIALNUMBERS indicated on the manufacturer s serial plate MUST BE GIVEN The serial plate is on the nozzle housing Unpacking Care must be exercised when unpacking the pro...

Page 7: ...ts for cleanliness and surface condition Remove any foreign materials such as weld chips slag or scale Make sure there are no nicks scratches burrs or sharp corners on any sealing surfaces Clean all g...

Page 8: ...gasket into the bottom of the nozzle housing Securely install the nozzle holder into the nozzle housing The nozzle holder should fit flush with the housing surface otherwise remove the nozzle holder a...

Page 9: ...rom coming loose due to the thermal expansion caused by the steam line This assembly should not be disassembled and must be purchased as a complete assembly 4 Inspect the inside of the nozzle holder t...

Page 10: ...Baker Hughes if cracks or damage is discovered Figure 3 External inspection Water Connection Branch Outlet Field Weld Water Ring Cap Down Tube Inlet Field Weld Nozzle Housing Branch Liner Pin Interna...

Page 11: ...s Desuperheater Item No Description 1 Body 2 Nozzle S A 3 Nozzle Holder 4 Nozzle Gasket 5 Nozzle Flange Gasket 6 Nozzle Housing Flange 7 Nozzle Flange Stud 8 Nozzle Flange Nut 9 Flow profiler Lo dB pl...

Page 12: ...f Baker Hughes Company Other company names and product names used in this document are the registered trademarks or trademarks of their respective owners BHMN DSH IOM 33464B 0820 08 2020 Tech Field Su...

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