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ENGINEERING 

 

KITZ CORPORATION OF 
EUROPE, S.A. 

 

 

DEPARTMENT 

 

Date: 1999-01-25

 

 

Doc.NºIM/F14A/E 

OPERATION, MAINTENANCE AND 

INSTALLATION INSTRUCTIONS 

FIG. F-14A NPS  ½”-6” 

 

Page 1 of 13 

 

 

2002-12-05 

D.Sampietro 

J.Muñoz 

General revision. Added figures 

 

Date  

 

Rev. 

 

Created 

 

Approved 

 

Notes

 

 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 

 
 

F14A 

 
 
 
 
 
 

 

Содержание F14A

Страница 1: ...UROPE S A DEPARTMENT Date 1999 01 25 Doc NºIM F14A E OPERATION MAINTENANCE AND INSTALLATION INSTRUCTIONS FIG F 14A NPS 6 Page 1 of 13 2002 12 05 1 D Sampietro J Muñoz General revision Added figures Date Rev Created Approved Notes F14A ...

Страница 2: ... INSTRUCTIONS FIG F 14A NPS 6 Page 2 of 13 CONTENTS 1 INTRODUCTION 2 HANDLING OF VALVES 3 ASSEMBLY TO THE PIPING 4 OPERATION 5 MAINTENANCE AND PERIODICAL INSPECTION 6 DISASSEMBLY AND ASSEMBLY PROCEDURES 7 ACCEPTANCE TESTS 8 ANNEXES Fig 1 Parts List Fig 2 Bolting Torque table Fig 3 Break Torque table Fig 4 Test pressure table ...

Страница 3: ...r operation manual supplied by the corresponding manufacturers 2 HANDLING OF VALVES Before shipping the inlet and outlet of each valve are capped in order to protect it from any mechanical damage while keeping out dust and foreign objects during shipping and handling Do not remove these caps until the valve is installed The valves must be kept in a well ventilated dry area free from dust Take spec...

Страница 4: ...of the pipes installation of a drainage device is generally recommended 4 OPERATION A quarter turn of the valve shaft fully opens or closes it To close the valve turn it clockwise and turn it counter clockwise to open it The turning force required is less when the valve is partially open than when it is fully open or closed At the first use of the valve check for any leaks in the area of the gland...

Страница 5: ...em to drip even though they are fully closed The risk of deformation or damage to the valve seat is greater when the valve is used for extremely high flow rates and or highly abrasive fluids such as slurry or fluids with particles which may get stuck along the way For this reason ball valves must be used essentially for fully opening or closing purposes 5 MAINTENANCE AND PERIODICAL INSPECTION To e...

Страница 6: ...ing the valves from the pipes the valve flanges and the pipe coupling flanges must be marked to indicate their original position This will help to avoid confusion or errors when refitting the valve For disassembly of the external components proceed as follows Place the valve in a vertical position with the body 01 at the bottom and the sphere in the closed position on a soft and clean surface Firs...

Страница 7: ...s 25 from the same recess Be careful not to damage the body Remove the seats 22 from the body and the end connector This operation must be performed with utmost care so as not to scratch the Fire Safe lip the walls and the bottom of the seat To inspection valve components The dirty interior of the valve must be cleaned with water steam acid or oil prior to inspection Examine the internal non visib...

Страница 8: ...size of the valve Place the gland ring 06 over the packing rings 25 Move the stemto the valve closed position Place the stop plate 09 on the stem Place the two Belleville spring washers 11 contacting on the outer diameter on top of the indicator Turn the nut 12 down onto the stem until it contacts the washers and continue tightening until some resistance is felt see the recommended torque on the f...

Страница 9: ...Fig 2 Fit the handle 30 31 according to the size of the valve ND 1 Fit the handle and then thread and tighten the nut 12 ND 1 Fit the handle followed by the washer then thread and tighten the top bolt and then the side bolt 7 ACCEPTANCE TESTS Check the service conditions of the valve by fully opening and closing it several times The first movements will probably require more effort which should de...

Страница 10: ...NG KITZ CORPORATION OF EUROPE S A DEPARTMENT Date 1999 01 25 Doc NºIM F14A E OPERATION MAINTENANCE AND INSTALLATION INSTRUCTIONS FIG F 14A NPS 6 Page 10 of 13 Fig 1 Parts list Fig 2 BOLTING TORQUE TABLE ITEM 17 ...

Страница 11: ... DIN 267 ASTM A193 B7 ASTM A193 B7M A2 70 DIN 267 11 A4 70 DIN 267 11 A2 80 DIN 267 11 A4 80 DIN 267 11 ASTM A193 B8 B8M M6 12 12 9 9 11 5 M8 29 29 22 21 26 12 M10 52 52 40 37 47 21 M12 87 87 67 62 79 36 M14 133 133 102 95 121 54 M18 256 256 197 183 233 105 M20 359 359 276 256 326 147 Note To prevent seizing and to reduce the torque needed all studs and nuts described in this table must be lubrica...

Страница 12: ...DIFFERENTIAL PRESSURE bar NPS Port Ø 20 50 100 14 5 8 10 19 6 8 10 1 25 8 10 15 1 1 2 38 20 25 30 2 51 25 35 40 3 76 60 90 120 2 4 102 120 175 250 2 6 152 250 350 1Nm 0 1 da Nm 0 1 m Kg 0 723 ft lbs 8 68 In lbs Note 1 Maximum break torque values for clean water ambient temperature and standard seat material Note 2 Values according to the pressure limitations of seats Please ask KCE for further inf...

Страница 13: ... 3 76 60 60 5 4 102 6 5 111 8 150 144 6 152 1 Test temperature Ambient 2 Pneumatic seat test shall be performed at 6 bar for both seats 3 For Gas Service it shall be performed a pneumatic seat test at 0 3 bar 4 Values in brackets correspond to the hydraulic seat test this test will only be performed if it s strictly necessary 5 Reference Standards ANSI B16 34 API 598 BS 66755 p 1 DIN 3230 p 3 KITZ...

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