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Parker Bestobell Valves IOM 002, Installation, Operation And Maintenance Manual

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Parker Bestobell Valves IOM 002 Installation, Operation And Maintenance Manual Download Page 11

 

Date of Issue: 19 August 2021 

Page 11 of 24 

QF 80: Issue 2 

Parker Hannifin 

– Instrumentation Products Division Europe  

President Park, President Way, Sheffield,  
South Yorkshire, S4 7UR, United Kingdom 
Tel: +44 (0) 114 224 0000   Web: www.parker.com/ipd 

 

 

Globe / Needle Valve (DN10 (⅜”) – DN50 (2”) 

 

Reference Number:

 

IOM 002 

Date: 

20 May 2014 

 

Issue: 

B 

Installation and Maintenance 

Spares Kit 

 
 
 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
Handwheel, separate gasket and full headwork are also available upon request. 

 

Please contact Bestobell Valves for specific part numbers 

Reference 

Description 

Spares Kit 

1 

Wiper Seal 

Contact 

Bestobell Valves 

Technical Sales 

2 

Chevron Top 

3 

‘O’ Seal 

2a 

Chevron Top 

4 

Chevron Bottom 

5 

Gasket 

6 

Valve Seal Flat 

7 

Anti-Friction Disc 

1 

2 

3 

2a 

4 

5 

6 

7 

Summary of Contents for Bestobell Valves IOM 002

Page 1: ...50 2 Installation Operation and Maintenance Manual Reference Number IOM 002 Date 19 August 2021 Issue C Parker Hannifin Instrumentation Products Division Europe President Park President Way Sheffield...

Page 2: ...resident Way Sheffield South Yorkshire S4 7UR United Kingdom Tel 44 0 114 224 0000 Web www parker com ipd Globe Needle Valve DN10 DN50 2 Reference Number IOM 002 Date 20 May 2014 Issue B WARNING BEFOR...

Page 3: ...com ipd Globe Needle Valve DN10 DN50 2 Reference Number IOM 002 Date 20 May 2014 Issue B Contents Disclaimer 4 Introduction 5 Outline 5 Safety 5 Cleanliness 6 Service Intervals 7 Installation 7 Instal...

Page 4: ...contact Bestobell Valves LNG Bestobell Valves has produced this manual in order to provide engineering personnel with sufficient general information to enable the operation installation and effective...

Page 5: ...able media Any further requirements for the effective operation of the valve are also discussed Maintenance Provides information relating to the on site maintenance of the supplied valve as well as di...

Page 6: ...Valves Ltd Identify the intended flow direction and match the valve orientation with its flow direction arrow Ensure that all end connections to the valve are in line and that the pipe work is support...

Page 7: ...rained and hold the necessary approvals Valves should be installed in a vertical position Ensure that environmental conditions atmospheric pollution are compatible with the valve materials NOTE Ensure...

Page 8: ...inimise the possibility of damage during handling Before unpacking items should be checked to ensure their part number is in line with requirements and or the purchase order The valve should be inspec...

Page 9: ...eadwork before installation and cover the top of the body to protect the internals of the valve from particulate contamination Also ensure that enough room is left above around the valve for the headw...

Page 10: ...suitable for operation with media O2 N2 Ar CO2 CH4 He CHF Kr Ne He H2 C2H4 N2O SF6 LPG LNG When using on CO2 the internal atmosphere must be dry and moisture free as bronze could be affected by carbo...

Page 11: ...Valve DN10 DN50 2 Reference Number IOM 002 Date 20 May 2014 Issue B Installation and Maintenance Spares Kit Handwheel separate gasket and full headwork are also available upon request Please contact B...

Page 12: ...rred orientation of the valve is vertical If the valve has to be installed at an angle it should not be less than 30 from the horizontal Progressively slacken the bonnet bolts in sequence to preserve...

Page 13: ...l joining materials components used during the installation of the valve are compatible and will not cause any deterioration to the valve structure Taper threaded end connections For valves with taper...

Page 14: ...ace any damaged gaskets and secure in place using the capscrews removed earlier Tighten to the torques on page 12 Union Bonnet Refit the headwork ensuring the disc is in the open position and replace...

Page 15: ...late it and drain off pressure Unscrew the hand wheel retaining nut lift off the label and save both parts in a safe place STEP 2 Lift off the hand wheel taking care not to damage the end of the stem...

Page 16: ...Issue B STEP 5 Remove the gland nut and store this in a safe place STEP 7 Remove the four securing screws and washers from the bonnet GO TO STEP 9 STEP 6 Remove the wiper seal and discard Remove the g...

Page 17: ...union nut Loosen and remove the union bonnet GO TO STEP 9 STEP 10 Remove the stem from the cover NOTE Depending on the style of the seat the method for replacing the disc seal will vary For cone seat...

Page 18: ...B STEP 14 Replace the seal retaining circlip and ensure that it is seated correctly in the groove GO TO STEP 16 STEP 12 Remove the lock nut s from the disc holder Remove the seal retainer and store in...

Page 19: ...ith the new packing from the spares kit Arrange as shown and re insert into the gland NOTE Ensure the O seal is fitted into the top chevron STEP 18 Re insert the stem into the cover Clean the gland fo...

Page 20: ...hand wheel anti clockwise Replace the headwork on the body with the disc in the open position so as not to damage the inside of the body and disc seal STEP 22 Bolted Bonnet Slide the loose bonnet fla...

Page 21: ...DN50 2 Reference Number IOM 002 Date 20 May 2014 Issue B STEP 24 Wearing the appropriate personal protective equipment PPE operate the valve to determine if the action is smooth Re introduce the flow...

Page 22: ...HTEN CONNECTION PTFE TAPE NOT USED APPLY PTFE TAPE DIRT ON THREADS CLEAN THREADS AND USE NEW PTFE TAPE CROSSED THREADS CHECK THREADS FOR DAMAGE RENEW ANY DAMAGED THREADED PARTS LEAKING FLANGED END CON...

Page 23: ...May 2014 Issue B Contact Details For further maintenance instructions and spares contact United Kingdom Enquiries Parker Hannifin Manufacturing Ltd President Park President Way Sheffield South Yorkshi...

Page 24: ...arker Hannifin Instrumentation Products Division Europe President Park President Way Sheffield South Yorkshire S4 7UR United Kingdom Tel 44 0 114 224 0000 Web www parker com ipd Globe Needle Valve DN1...

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