Embed Size (px)
Citation preview
VALVE INSTALLATION MANUAL
FOR KNIFE GATE VALVE MODEL: BV481. The valve can be assembled in any position, vertical , horizontal , or upside down but however, we recommend suitable position as graph below
Normal Use µÔ´µÑ駻¡µÔ
Occasional Use ¡Ã³Õ¨Óà»ç¹
Not Recommend äÁèá¹Ð¹Ó
2. Valve Handing:
Before assembling , please handle the valve with care.
¤ÙèÁ×Í¡ÒõԴµÑ駡ÒÃãªé§Ò¹ áÅкÓÃاÃÑ¡ÉÒÇÒÅìÇ
ºÕ ÇÕ ÇÒÅìÇ ¶Ù¡Í͡ẺÁÒãËéµÔ´µÑé§ã¹µÓá˹觵èÒ§ æ
àªè¹ á¹ÇµÑé§ á¹Ç¹Í¹ ËÃ×͵ԴµÑ駡ÅѺËÑÇ áµèâ´Â¤ÇÒÁ
¶Ù¡µéͧ ä´éá¹Ð¹Ó¡ÒõԴµÑé§ µÒÁµÒÃÒ§¡ÃÒ¿´éÒ¹ÅèÒ§
Valve installation manual is special made by BV Valve / All rights reserve and not recommend to use with other Brand or design. BV valve reserves the right to alter technical specifications without prior notice. P.1
¡è͹¡ÒõԴµÑé§ ¤ÇÃà¡çºÃÑ¡ÉÒÇÒÅìÇ ãËéÍÂÙèã¹·ÕèáËé§ áÅÐÊÐÍÒ´
ÃÐÇѧ àÈɼØè¹ ·ÃÒ ¢ÕéâÅËÐà¢éÒä»ÊÐÊÁÍÂÙèã¹ ÅÔé¹ áÅкèÒÇÒÅìÇ
«Ö觨зÓãËéÇÒÅìÇÃÑèÇä´é à¹×èͧ¨Ò¡àÈÉâÅËШÐ仢ٴ¢Õ´ «ÕŢͧÇÒÅìÇ
äÁè¤Çöʹá¡Ð ËÃ×ÍÃ×éÍÇÒÅìÇÍÍ¡à»ç¹ªÔé¹ æà¹×èͧ¨Ò¡ÇÒÅìÇÁÕ»ÃСѹ
ËÅѧÊè§ÁͺÃÐÂÐàÇÅÒ 1 »Õ ¡Òöʹ¨Ð·ÓãËéËÁ´ÍÒÂØ¡ÒÃÃѺ»ÃСѹ
¡ÒáÇÒÅìÇ·ÕèÁÕ¹éÓ˹ѡÁÒ¡ ¨Óà»ç¹µéͧãªé Lifting belt ªèÇÂâ´Â¤ÅéͧáÅÐ
¾Ñ¹Ãͺ ¾Ñ¹Ãͺ ¡ÑºµÑǶѧÇÒÅìÇ ËÃ×Í¢ÒµÑé§ÇÒÅìÇ ¤ÇÃÁÕ·ÕèÅçÍ¡à¢çÁ¢Ñ´¡Ñ´ËÅØ´
à¾×èͤÇÒÁ»ÅÍ´ÀÑÂäÁè¤ÇÃãªéâ«èÁÑ´¡ÑºµÑǶѧÇÒÅìÇ ÅÔé¹ ¾Ç§ÁÒÅÑ ¡Ãк͡ÅÁ
ËÃ×Íà¾ÅÒÇÒÅìÇ
VALVE INSTALLATION MANUAL
Valve installation manual is special made by BV Valve / All rights reserve and not recommend to use with other Brand or design. BV valve reserves the right to alter technical specifications without prior notice.
3. The valve is unidirectional it must be installed with the pressure which push the knife on the seat and seal ring. The flow direction is user responsibility. Please assemble the valve following the arrow on the valve body .
ºÕÇÕ ÇÒÅìÇ ÃØè¹BV48 à»ç¹ÇÒÅìǵÃСÙÅÇÒÅìÇãºÁÕ´ ËÃ×Í Knife gate valve «Öè§Í͡ẺÁÒ à¾×èÍÃѺ¡ÑºÊÒÃäËÅ´éÒ¹à´ÕÂÇ
Hydraulic application - ¤×Íãªé áç´Ñ¹¢Í§ÊÒÃäËŴѹÅÔé¹ÇÒÅìÇ ä»ª¹¡ÑººèÒÇÒÅìÇ áÅЫÕÅÇÒÅìǡѹÃÑèÇ ¡ÒõԴµÑé§
µéͧ´ÙÅÙ¡Èà ÊÒÃäËŵéͧÇÔè§ã¹·ÔÈ·Ò§à´ÕÂǡѹ¡ÑºÅÙ¡È÷Õè¢éÒ§µÑǶѧÇÒÅìÇ
¡ÒõԴµÑé§Âé͹Èà ¡ÒõԴµÑ駷Õè¶Ù¡µéͧ
áç´Ñ¹¹éÓ
´Ñ¹ÅÔé¹ÇÒÅìÇ
ãËéᡨҡºèÒÇÒÅìÇ
áç´Ñ¹¹éÓ
´Ñ¹ÅÔé¹ÇÒÅìÇ
ãËé¡´¡ÑººèÒÇÒÅìÇ
4. For Valve End connection or Bottom line assembling the valve must be installed between flanges
ÊÓËÃѺÇÒÅìÇ»ÅÒ·ҧ ËÃ×ÍÇÒÅìǡ鹶ѧ ·ÕèÍÂÙèãµéä«âÅ
ÇÒÅìǨÓà»ç¹µéͧµÔ´µÑé§ â´ÂÁÕ˹éÒ¨Ò¹·Ñé§ 2 ´éÒ¹»ÃСºàÊÁÍ
¡àÇé¹ÇÒÅìÇ ª¹Ô´ Fully Lug type ËÃ×Í Double Flange type
«Ö觶١Í͡ẺÁÒà»ç¹ ÇÒÅìÇ»ÅÒ·ҧä´é
ÅѡɳÐÇÒÅìÇãºÁÕ´
ª¹Ô´á¡¹äÁèâ¼Åè
Non-Rising stem
P.2
VALVE INSTALLATION MANUAL
Valve installation manual is special made by BV Valve / All rights reserve and not recommend to use with other Brand or design. BV valve reserves the right to alter technical specifications without prior notice.
FLANGE : JIS 10KÁÒµÃÒ°Ò¹ ˹éÒ¨Ò¹ ÍØ»¡Ã³ì·Õèµéͧãªé㹡ÒûÃСͺ˹éÒ¨Ò¹
¢¹Ò´Ë¹éÒ¨Ò¹
1000 40" 1235 1160 28 x 39.0
795.0 662.0 24 x 33.0
40 x M 36 - 140 40 x M 36 - 90 23
K
M
A
D K
L
Valve Size 24"
28 x M 30 - 110 24 x M 30 6 x M 30 - 250 28 x M 30 -75
Pink Pink
10
Yellow
75
110110
250
8 x M 36 - 280
Valve size 40"Non-Rising stem Non-Rising stem
280
140
P.3
5. Flange dimensions and valve connection details
á¹Ð¹Ó¡ÒÃàÅ×Í¡ãªé ¹ê͵ áÅÐ Ê¡Ã٠㹡ÒõԴµÑé§ Screw type 2 µéͧãªéáËǹ µÑé§ÃдѺ ËéÒÁÃÐÂÐà¡ÅÕÂÇÂÒÇà¡Ô¹
ÃÐÂеêÒ» A à¹×èͧ¨Ò¡ ¨Ð·ÓãËéà¡ÅÕÂÇ㹵ѧ¶Ñ§ÇÒÅìÇÃÙ´ ᵡËÑ¡ä´é ËÃ×ÍÍÒ´·ÓãËé µÑǶѧÇÒÅìÇᵡÃéÒÇä´é
Screw type 1 »ÅÍ´ÀÑ¡ÇèÒ ÊÓËÃѺ§Ò¹µÔ´µÑé§ ·Õèµéͧ¡ÒäÇÒÁÂ×´ËÂØè¹ áÅÐÃÇ´àÃçÇ
90
screw type 2
screw+nut type 1
Bolt type 1
VALVE INSTALLATION MANUAL
Valve installation manual is special made by BV Valve / All rights reserve and not recommend to use with other Brand or design. BV valve reserves the right to alter technical specifications without prior notice. P.4
5. Flange dimensions and valve connection details
ÁÒµÃÒ°Ò¹ áçºÔ´ ¢Í§ Bolt & Nut ÇÑÊ´ØâÅËÐ Forged Steel No.8-8
Used with flange JIS 10K
M 22 M 22 M 22 M 30 M 30 M 36
6. Instructions ¢éÍá¹Ð¹Ó¡ÒõԴµÑé§ÇÒÅìÇ à»ç¹¢Í§ÇÒÅìÇãºÁÕ´ ÃØè¹ BV48 Class JIS 10K wafer type à·èÒ¹Ñé¹
ÚBV 48
Stainless Steel Seat
Resileant SealDouble Taper Groove
Mechanical Lock seat Punching Curve
Correct Flow direction
Bleeding Seat ringwarrantee seal neverloose out
VALVE INSTALLATION MANUAL
Valve installation manual is special made by BV Valve / All rights reserve and not recommend to use with other Brand or design. BV valve reserves the right to alter technical specifications without prior notice. P.5
7. Installation process
Flange JIS 10K Wafer type valve with
point
ËÅѧ¡ÒõԴµÑé§ÇÒÅìÇ ãËéáç´Ñ¹¡ÑºÇÒÅìǵÒÁÁÒµÃÒ°Ò¹ ISO 5208 / MSS - S 81
¤×Í áç´Ñ¹ ·Õèãªé§Ò¹ x 1.1 à·èÒ ·ÕèÅÔé¹ áÅкèÒÇÒÅìÇ (Seat Test)
áç´Ñ¹ ·Õèãªé§Ò¹ x 1.5 à·èÒ ·ÕèµÑǶѧÇÒÅìÇ áÅÐ Packing (Shell Test)
¡ÒÃà·Êáç´Ñ¹ Shell Test ÅÔé¹ÇÒÅìǵéͧÍÂÙèã¹µÓá˹è§à»Ô´
ÁÒµÃÒ°Ò¹ ISO 5208 àËÁÒСѺÇÒÅìǧҹ¹éÓ «ÕÅÂÒ§
à»ç¹ÁÒµÃÒ°Ò¹·Õèµéͧ¡ÒÃ
Safety factor ¹éÍ¡ÇèÒ API 598 , ANSI B16.34
¶éÒà¡Ô´¡ÒÃÃÑèǨҡ Packing ãËé·Ó¡ÒáǴ¹ê͵·Õè Grand Packing
áµèµéͧ»Ô´Ãкºáç´Ñ¹ã¹µÑÇàÃ×͹ÇÒÅìÇ¡è͹ÁÕÊÒÃäËÅÃÑèǨҡ
Packing
¤èÍÂ æ ¡Ç´¹ç͵Ẻ·á§ÁØÁ
â´Âãªé»ÃÐᨷÍäì ËÃ×ÍÇÑ´ÃдѺ
¤ÇÒÁÊÙ§¢Í§ Grand Packing
Raising stemKnife gate valve
¤èÒÍѵÃÒÃÑèÇ«ÖÁ·ÕèÂÍÁÃѺä´é = O
VALVE INSTALLATION MANUAL
Valve installation manual is special made by BV Valve / All rights reserve and not recommend to use with other Brand or design. BV valve reserves the right to alter technical specifications without prior notice. P.5
¡ÒÃà·ÊÇÒÅìÇÁÒµÃÒ°Ò¹ ISO 5208 / MSS- SP81 àËÁÒÐÊÓËÃѺ Knife Gate Valve Metal Seat
à¾ÃÒСÓ˹´ áÅФǺ¤ØÁ¤èÒ Leakage rate ÊÓËÃѺÇÒÅìÇ ª¹Ô´¹Õéâ´Â੾ÒÐ â´ÂÁÕÃÒÂÅÐàÍÕ´¤×Í
ÁÒµÃÒ°Ò¹ MSS-SP 81 ͳØÒµÔãËé¤èÒÍѵÃÒ¡ÒÃÃÑèǢͧÇÒÅìÇãºÁÕ´ª¹Ô´ºèÒÇÒÅìÇâÅËÐ Metal Seat
à·èÒ¹Ñé¹ ÁÕÍѵÃÒ¡ÒÃÃÑèÇ·Õè 40 CC µèÍ¢¹Ò´ÇÒÅìÇ 1" µèÍ¹Ò·Õ ·Õèáç´Ñ¹ 40 psi
METAL SEAT KNIFE GATE VALVEValves Design & Testing : AS PER MSS - SP 81MSS - SP 81 has an allowable leakage rate metal seat only of 40 cc per inch of diameter, per minute at 40 psi pressure.Maximum allowable leakage of 0.6 GPM when tested with water at 40 psi applied in the normal flow direction.
For Soft Seated Knife Gate valves : No visible leakage when tested with water at 40 psi. Above 24" Size and Renewable seat design Knife Gate valves is not covered in MSS-SP 81
Remarks: ¢éÍÊѧࡵØ
¡ÒõԴµÑé§ÇÒÅìÇãËÁè ÍÒ¨¨ÐÁÕ¡ÒÃÃÑèÇ·Õè Grand Packing ä´é à¹×èͧ¨Ò¡ ¡ÒõÑ駤èÒáç¡´»Ðà¡ç¹·ÕèµèÓà¾×èÍ Â×ÍÍÒÂØ
¡ÒÃãªé§Ò¹¢Í§ ªØ´ Packing áÅÐà¹×èͧ¨Ò¡¡ÒäÅÒµÑÇ Íѹà¡Ô´¨Ò¡¡ÒÃà¡çºã¹¤ÅѧÊÔ¹¤éÒ áÅÐÀÒÂãµé ÀÒÇÐ
¡ÒÃäÁèÁÕáç´Ñ¹¨Ò¡¡ÒÃãªé§Ò¹
A5
A4
¡ÒáǴ¹ê͵·Õè Packing ÁÒ¡à¡Ô¹ä» ¨ÐÁռŵèÍáçºÔ´ ¢³Ðà»Ô´áÅлԴÇÒÅìÇ áÅÐÂѧ¤§Å´ÍÒÂØ¡ÒÃãªé§Ò¹¢Í§Packing ´éÇÂ
Figure 1
VALVE INSTALLATION MANUAL
Valve installation manual is special made by BV Valve / All rights reserve and not recommend to use with other Brand or design. BV valve reserves the right to alter technical specifications without prior notice. P.7
8. Valve Working Pressure:
2
¡è͹µÔ´µÑé§ÇÒÅìÇ µéͧÃÙéÇèÒÇÒÅìÇÁÕÁÒµÃÒ°Ò¹ÃѺáç´Ñ¹ä´é¡Õè Bar/cm2
àÁ×èÍà·Õº¡Ñºáç´Ñ¹¢Í§ÊÒÃäËÅ·ÕèäËżèÒ¹ÇÒÅìÇ ¶éÒÁÒ¡¡ÇèÒÁÒµÃÒ°Ò¹
¨Ð·ÓÅÒÂÅÔé¹ÇÒÅìÇ áÅÐà¡Ô´¡ÒÃÃÑèǢͧÇÒÅìÇä´é à¹×èͧ¨Ò¡¡ÒÃàÊÕÂÃÙ»
ËÃ×Í¡ÒÃâ¡Ã觵ÑǢͧÅÔé¹ÇÒÅìÇ
KV value
BV 48
VALVE INSTALLATION MANUAL
Valve installation manual is special made by BV Valve / All rights reserve and not recommend to use with other Brand or design. BV valve reserves the right to alter technical specifications without prior notice. P.8
µÑÇàÃ×͹ÇÒÅìÇ ºèÒÇÒÅìÇ »Ðà¡ç¹ÇÒÅìÇ
¢éÍÁÙÅÊÓËÃѺ ÇÑÊ´Ø»ÃСͺÇÒÅìÇ ª¹Ô´ÇÒÅìÇãºÁÕ´ ÃØè¹ BV 48 à·èÒ¹Ñé¹ áÅÐãªéà¾×èÍ¡ÒÃàÅ×Í¡ãªéÇÒÅìÇãËé¶Ù¡µéͧ¡ÑºÊÒÃäËÅ
ÚBV Valve äÁèÊÒÁÒöÃѺ»ÃСѹ ¡ÒùӢéÍÁÙÅä»ãªé ¡ÑºÇÒÅìǪ¹Ô´Í×è¹ ËÃ×ÍäÁèèá¨é§ãËé¼Ùé¼ÅÔµ·ÃÒº äÁèéÇèҡóÕã´ æ
9. Valves Materials & Temperature Property
µÒÃÒ§¢éÍÁÙŤسÊÁºÑµÔ¢Í§ÇÑʴؼÅÔµÇÒÅìÇÃØè¹ ÚBV48
àËÅç¡
ËÅèÍÊ
Õà·èÒ
àËÅç¡
¡ÅéÒà
˹ÕÂÇ
Êá
µ¹
àÅÊ
ʵ
ÕÅ
Superlene
Monel
VALVE INSTALLATION MANUAL
Valve installation manual is special made by BV Valve / All rights reserve and not recommend to use with other Brand or design. BV valve reserves the right to alter technical specifications without prior notice. P.9
3
4
4
3
10. PACKING REPLACEMENT:
1. Check your pipe is without pressure and close valve.2. Disconnect the gate (1) and stem.3. Unscrew the nuts of the packing gland (2) and take it off (8)4. Take out the old braids and O-ring (5) (6) and clean the inside (7)5. Put the new braids and O-ring alternating the joints (see fig.A)6. Put the packing gland (8) and its nuts (2)7. Fix the stem on the gate (1)8. Put the pipe under pressure while tightening the nuts of the packing gland (2) until you get tightness.
11. REPLACEMENT OF THE VALVE SEAT
1. Take the valve out.2. Take the operator out.3. Take the gate of (1)4. Take the Stainless Steel ring off (4)5. Take the used gasket (3) and clean its place.6. Put the new shaped gasket (3) in the place.7. Assemble the support ring (4) hammering it on its place (see fig. B)8. Put the gate back without damaging the seat(1)9. Fix the operator and make few openings and closings before replacing the valve on the pipe
figure B
¡ÒÃà»ÅÕè¹ Packing µéͧá¹èã¨ÇèÒäÁèÁÕáç
´Ñ¹ã¹ÇÒÅìÇ áÅÐÇÒÅìÇÍÂÙèã¹µÓá˹觻Դ
·Ó¡ÒöʹÅÔé¹áÅÐà¾ÅÒÇÒÅìÇ µÑÇÍÑ´»Ðà¡ç¹
à»ÅÕè¹»Ðà¡ç¹ Packing ãËÁè µÑ´»Ðà¡ç¹àª×Í¡
ªèǧÅ͵èÍà»ç¹àµà»ÍÃìÊÅѺ»ÅÒ ¢éÍÊÓ¤ÑÅÔé¹
ÇÒÅìǵéͧµÑ駩ҡáÅÐṺ仡Ѻ ºèÒÇÒÅìÇ
ËÅѧ¨Ò¡¡ÒÃà»ÅÕè¹ Seat and Seal Valve
µéͧ·´Åͧà»Ô´áÅлԴÇÒÅìÇÀÒÂãµéáç´Ñ¹
·Õèãªé§Ò¹¨ÃÔ§ ¡è͹·Ó¡ÒõԴµÑé§
