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Stem Seal Adjustment

KFO1156: HIGH TEMPERATURE TRIM

KFO1176: STANDARD TRIM

STEM SEAL ADJUSTMENT (Threaded Packing Gland)
Sizes: 1/2”-2” Cl.150 & 300, 3” Cl.150, DN15-DN50 PN10-
PN40, DN80 PN10-PN16 (1156, 1176)

To adjust for leakage along the valve stem, turn the Threaded
Packing Gland (#8) clockwise in approximately 1/3- turn
increments to compress the packing (#13). Use torques from
following table.

Note:

If a tight seal cannot be obtained, continue with the

instructions for valve repair.

Valve Size

Pressure Class

Threaded

Packing

Gland size

Threaded Packing Gland Torque

KFO1176

KFO1156

NPS

Class

metric

(Nm)

(in-lbs)

(Nm)

(in-lbs)

½”

DN15

#150 & #300

10-40

M30

116

1026

116

1026

¾”

DN20

#150 & #300

10-40

M30

116

1026

116

1026

1”

DN25

#150 & #300

10-40

M30

116

1026

116

1026

1 ½”

DN40

#150 & #300

10-40

M36

224

1982

224

1982

2”

DN50

#150

10-16

M36

224

1982

224

1982

2”

DN50

#300

25-40

M48

390

3452

390

3452

3”

DN80

#150

10-16

M48

390

3452

390

3452

Содержание TUFSEAT Performance Series

Страница 1: ...www cranecpe com KROMBACH TUFSEAT Performance Series Ball Valves TUFSEAT by KROMBACH THE SUPERIOR MSBV INSTALLATION OPERATION AND MAINTENANCE MANUAL Floating Ball Design ...

Страница 2: ...is started Fitting work on pressurized parts of valves for caustic or toxic flow media may only be carried out following additio nal emptying and bleeding of the valve and the respective pipeline Caution Valves have dead spaces where residue under pressure can remain after the flow medium has been emp tied The same safety requirements apply to valves as to the pipeline system they are built into a...

Страница 3: ...ia A valve may not be used if its permissible pressure temperature range rating is not sufficient for the operating conditions The permitted values can be found on the valve name plate or the product data sheet Special approval is required from KROMBACH for use of the valve outside these values Disregarding this regulation can lead to danger to life and limbs and cause damage in the pipeline syste...

Страница 4: ...s special versions accessories and any further specifications can be found in the enclosed ORDER RELATED DOCUMENTATION The images in the exploded views are only design examples 2 2 Installation in the Pipeline 2 2 1 General Instructions Before installation in the pipeline the valve must be checked to make sure that it matches the specification for the installation location Clean the valve of stora...

Страница 5: ...relation to the way the system works All installation work must be completed correctly be fore operation is started Check the valve for leaks during and after it has been put into operation by means of visual inspection 2 4 Maintenance and Testing 2 4 1 Maintenance Interval Depending on the type of system and operating data involved the valve will need some maintenance The maintenance interval mus...

Страница 6: ...ine This installation position must be observed KROMBACH must be consulted if other installation posi tions are required The direction of rotation clockwise CLOSE anti clockwise OPEN remains the same whether the valve is actuated by means of the gear handwheel or the electric pneumatic actuating drive The connection of electric cables may only be carried out by specialised staff Applicable regulat...

Страница 7: ...onsible for checking that these technical data and specifications are suitable and sufficient for all applications and reasonably predictable purposes of application of the systems Trouble Free Operation The KROMBACH TUFSEAT Performance Series Ball Valves applied within their pressure and temperature limitations properly installed adjusted and operated should require minimum attention supplying lo...

Страница 8: ...NC 16 142 4 3 8 16UNC 28 248 1 40 4 7 16 14UNC 45 398 4 13UNC 70 620 2 50 4 7 16 14UNC 45 398 4 5 8 11INC 70 620 3 80 4 5 8 11INC 140 1239 4 5 8 11INC 140 1239 4 100 8 13UNC 140 1239 8 5 8 11INC 140 1239 6 150 8 10UNC 240 2124 16 10UNC 240 2124 Valve Size Pressure Class Body gasket Ball seat seal DN NPS PN Class F kN F kN 15 10 40 150 300 38 6 1 6 20 10 40 150 300 57 7 2 6 25 1 10 40 150 300 57 7 ...

Страница 9: ...cking 13 Use torques from following table Note If a tight seal cannot be obtained continue with the instructions for valve repair Valve Size Pressure Class Threaded Packing Gland size Threaded Packing Gland Torque KFO1176 KFO1156 NPS DN Class PN metric Nm in lbs Nm in lbs DN15 150 300 10 40 M30 116 1026 116 1026 DN20 150 300 10 40 M30 116 1026 116 1026 1 DN25 150 300 10 40 M30 116 1026 116 1026 1 ...

Страница 10: ...king bolts use proper crisscross adjustment pattern as shown below Note If a tight seal cannot be obtained continue with the instructions for valve repair 4 6 bolts 1 2 3 5 6 8 bolts Packing Adjustment KFO1156 HIGH TEMPERATURE TRIM KFO1176 STANDARD TRIM Valve Size Pressure Class Packing Gland Bolt size Quantity Packing Gland Bolts Torque KFO1176 KFO1156 NPS DN Class PN inch no s Nm in lbs Nm in lb...

Страница 11: ...akho dvignjen nad prirobnico 0 do 1 mm Thread end of item 8 c raise over top of flange for 0 to 1 mm 4 Namazati navoje vijakov in naležne površine matic z Lubricate screw threads bearing faces with Castrol Optimol paste TA 5 Kroglo po montaži namazati z Oil ball after assembly with Baysilone Oil M100 Masa weight ca N A 4 8 14 21 7 12 9 41 42 40 6 10 5 3 6 40 2 11 1 13 Item Quantity Description Car...

Страница 12: ...coating 7 1 S2 Stem seal e Carbon e Carbon e Carbon e Carbon 8 1 Packing gland A479 316Ti 316SS 1 4571 1 4401 A479 316Ti 316SS 1 4571 1 4401 10 8 Stud A193 Gr B7 A4 70 A193 Gr B8M Cl 2 A4 70 11 8 Heavy hex nut A194 Gr 2H A4 70 A194 Gr 8M A4 70 13 1 Packing set Graphite Graphite Graphite Graphite 14 1 Guide bushing A582 303 coated 1 4305 coated A582 303 coated 1 4305 coated 21 6 Hex socket head cap...

Страница 13: ...dy and tail 4 Inspect the seat pockets stem bore packing chamber and body joint gasket areas Clean all areas thoroughly to remove all signs of corrosion and media build up INSPECTION RE ASSEMBLY When re assembling the valve it is recommended that new seal components be used to minimize the chance of internal and external leakage Seal kits are available containing new seals for repairing KROMBACH T...

Страница 14: ...X seal 7 to be seated into the body counter bore see Fig 3 4 Place the spring energized lip seal 12 Fig 4a over the stem 4 with the spring side facing downward into the body as shown in Fig 4b and gently push into position below the packing chamber 5 Install the support ring 9 over the stem 4 with the raised step facing downward until it locates at the bottom of the packing chamber See Fig 5 KFO11...

Страница 15: ...ol Optimol paste TA on the screws 21 and insert them into the packing gland Slightly pre tighten them by hand 9 Compress the packings to the assembly compression Tighten the screws incrementally to the torque specified on the table from Page 9 or 10 10 Rotate the stem 5 times NOTE Always cycle in COUNTER clock direction to open the ball and in clock wise direction to close the ball 11 Remove the p...

Страница 16: ...Standard Trim Floating Ball Valve 14 Insert Wave spring 41 into the Body part 1 15 Insert S ring 42 into the body part 1 over the wave spring 41 Keep orientation of S ring as shown in Fig 6 16 Insert seal ring 40 over seat B 6 and insert the two together into the valve cover or tail 2 Apply grease to the sealing surfaces of the seat 6 Apply pressure and axial force to pre compress the seat seal ac...

Страница 17: ...e cover tail side 19 Insert the ball 3 into the body cavity 1 with the port opening in the closed position careful not to turn the ball 180 degrees when opening and closing so that it stays as shown in the assembly drawing in accordance to ISO 5211 20 Install spiral wound body gasket 5 in the groove of the body 21 Join the body 1 and tail 2 lettering on the halves face the same direction install a...

Страница 18: ... valve is re assembled be sure the studs pro trude through the nut a minimum of one 1 thread 23 Compress the ball with a press in order to compress the A graphite ring Use a plastic spacer to protect the ball 4 bolts 8 bolts 1 4 3 2 5 7 8 6 4 2 3 1 5 7 8 6 4 2 3 1 12 bolts 20 bolts 5 6 4 2 3 1 7 8 9 10 11 12 13 14 15 16 17 18 19 20 Figure 14 9 10 11 12 Figure 7 Assembly of KFO 1176 Standard Trim F...

Страница 19: ...em 4 with the conical surface facing the spherical stem shoulder slide the S2 Seal over the spherical portion of the stem see Fig 8 3 Insert Stem 4 through the valve body cavity allowing the S2 Stem Seal 7 to be seated into the body counter bore 4 Install one number of graphite packing ring thick diffusion barrier ring thin 13 over the stem 4 5 Grease contact surfaces of gland bushing 14 and the p...

Страница 20: ...irection to close the ball 9 Remove the packing gland and the gland tube 10 Repeat steps 4 5 6 7 8 to get the stack of 8 packing rings alternate 4 Graphite packing rings thick 4 Diffusion barrier rings thin 11 Install the Threaded Packing Gland 8 over the valve stem 11 1 Threaded packing gland sizes 1 2 2 Cl 150 300 3 Cl 150 DN15 50 PN10 40 DN80 PN10 16 11 1 1 Rotate the press nut 8 clockwise unti...

Страница 21: ...n in table B 16 Using a press apply pressure on the seat B 6 to pre compress the seat seal Use a plastic spacer to protect the seat and apply specified pressure In the absence of a press contact KROMBACH for an alternative method 17 Insert the other seal ring 40 over seat B 6 and insert the two together into the body 1 and over the S ring 42 Apply grease to the sealing surfaces of the seat 6 Apply...

Страница 22: ...ion Install and tighten the body stud nuts in the crossing pattern shown in figure 7 21 Tighten the nuts to the torque values listed in table A When tightening in the crossing pattern cycle through the pattern at least three 3 times to assure proper and uniform torque Note When the valve is re assembled be sure the studs protrude through the nut a minimum of one 1 thread 4 bolts 8 bolts 1 4 3 2 5 ...

Страница 23: ...23 www cranecpe com 22 Compress the ball with a press in order to compress the A graphite ring Use the plastic spacer for ball protection Assembly of KFO 1156 High Temperature Trim Floating Ball Valve ...

Страница 24: ... Retaining ring ew plate Locking plate Locking pin Retaining ring Locking pin Locking pin Locking pin Hand lever ear Oval handle e 3 Figure 5 Using padlock with 8 mm shank Ha Socket Head Cap Screw Socket Head Cap Scre St Stop pin Stop pin Stem flats Hand lever Hex nut SHC Screw Locking plate Locking plate Locking pin Retaining ring Locking pin Locking plate Hex nut SHC Screw Hand Hand lever ear Ho...

Страница 25: ... Locking p Locking plate Hex nut SHC Screw Hand lever ear Hand lever ear e for SHC screw Oval h Figure 4 Figure 3 Figure 5 F Locking plate Locking pin Figure 6 Padlock 8mm r Locking plate Locking plate Locking pin Hand lever Stem Socket Head Cap Screw Stop pin Hex nut Socket Head Cap Screw SHCS Stem flats Retaining ring ate Locking plate Locking pin Retaining ring Locking pin ew Locking pin Retain...

Страница 26: ...www cranecpe com 26 Notes ...

Страница 27: ...27 www cranecpe com Notes ...

Страница 28: ... KROMBACH NOZ CHEK PACIFIC VALVES RESISTOFLEX REVO SAUNDERS STOCKHAM TEXAS SAMPLING TRIANGLE UNI CHEK VALVES WESTLOCK CONTROLS WTA and XOMOX are registered trademarks of Crane Co All rights reserved CRANE CHEMPHARMA ENERGY Friedrich Krombach GmbH Armaturenwerke Marburger Str 364 57223 Kreuztal Germany Tel 49 2732 520 00 4526 Research Forest Drive Suite 400 TheWoodlands Texas 77381 U S A Tel 1 936 ...

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