Ukusebenza okuphezulu kweV iValve yeBhola
Isishwankathelo
Ukunqunyulwa kwe-V kunomlinganiselo omkhulu ohlengahlengiswayo kunye neempawu ezilinganayo zeepesenti, ukuqonda ulawulo oluzinzileyo loxinzelelo kunye nokuhamba.
Isakhiwo esilula, umthamo omncinci, ubunzima obulula, umjelo wokuhamba kakuhle.
Ukubonelela ngesakhiwo sembuyekezo ye-nati enkulu ye-nati ezenzekelayo ukulawula ngokufanelekileyo ubuso bokutywina besihlalo kunye neplagi kunye nokuqonda ukusebenza kakuhle kokutywinwa. Iplagi ye-eccentric kunye nesakhiwo sesihlalo sinokunciphisa ukuguga.
I-V cut ivelisa amandla okucheba wedge wrth isihlalo ukuvala imidiya equlethe iintsinga. Kufanelekile ngokukhethekileyo ukuvula nokulawula imidiya ye-viscosity ephezulu kunye nemidiya equkethe iifiber kunye neegranules.
Umzimba
• Uhlobo: i-eccentric angular travel integralball, ibhatyi yebhatyi
• Idayamitha yeNominal (DN): 1"~20"
• Uxinzelelo lwegama (PN): ANSI 150LB-900LB
• Uhlobo loqhagamshelo: uqhagamshelo lweflange okanye uhlobo lwewafer
• Izinto: A216-WCB, A351-CF8, A351-CF8M (okanye forgings)
• Ukupakishwa: I-PTFE emiliselwe iasbestos, i-PTFE, igraphite eguquguqukayo yogcino lobushushu ivelufa yebhabhathane nayo inokubonelelwa ngokweemfuno zomsebenzisi.
-Nciphisa
• Uhlobo lweplagi: ibhola engqukuva ene-V cut
• Imathiriyeli yokuplaga: A351-CF8, CF8M carbonizing okanye surfeze hard cty spray yokucima
• Izinto zokuhlala kunye nobushushu bokusebenza:
Isitywina esithambileyo:
PTFE -20-+180℃
ifayilishwe PTFE -20-+180℃
PPL -40~+350℃
Itywina elinzima (y): A351-CF8, CF8M
i-carbonizing okanye umphezulu we-alloy spray welding -40+450℃
Isixhobo se-valve shaft: A276-420, A564-630
Izinto zemikhono: A182-F304, A182-F316 (nitriding) okanye
I-WMS (i-alloy yobushushu obuphezulu)
• Umzobo 1 Uhlobo lwetywina oluthambileyo
Iplagi: A351-CF8, A351-CF8M
Indawo yokuhlala: PTFE, izaliswe PTFE, PPL
Ukuvuza kwesihlalo: ukuvuza kwe-zero
• Umzobo 2 Ishiti lentsimbi uhlobo lwentsimbi yokutywina
Plug imathiriyeli: A351-CF8, CF8M nitriding okanye umphezulu spray welding
Izinto zokuhlala: 3J1, Inconel sheet stainless steel
Ukuvuza kwesitulo: Njengokutywinwa kwe-ANSI B16.104 iklasi IV-VI
Ilinganiswe ngaphakathi kwe-KVx0.00l% (250°C)
Ilinganiswe ngaphakathi kwe-KVx0.005% (400°C)
Ulwakhiwo lweMveliso
igure 1 Idayagram yesakhiwo esithambileyo
Umzobo 2 Uhlobo lweshiti lentsimbi yentsimbi eqinileyo yotywino lwesakhiwo
Umphandle kunye nemilinganiselo yoQhagamshelwano
| DN | L | PN16 | L | 150LB | 10K | |||||||||
| D | D1 | d | n-Φ | D | D1 | d | n-Φ | D | D1 | d | n-Φ | |||
| 25 | 450 | 115 | 85 | 65 | 4-Φ14 | 102 | 110 | 79.4 | 50.8 | 4-16 | 125 | 90 | 67 | 4-19 |
| 32 | 470 | 140 | 100 | 76 | 4-Φ18 | 102 | 115 | 88.9 | 63 | 4-16 | 135 | 100 | 76 | 4-19 |
| 40 | 473 | 150 | 110 | 84 | 4-Φ18 | 114 | 125 | 98.4 | 73 | 4-16 | 140 | 105 | 81 | 4-19 |
| 50 | 488 | 165 | 125 | 99 | 4-Φ18 | 124 | 150 | 1207 | 92.1 | 4-18 | 155 | 120 | 96 | 4-19 |
| 65 | 561 | 185 | 145 | 118 | 8-Φ18 | 145 | 180 | 139.7 | 104.8 | 4-18 | 175 | 140 | 116 | 4-19 |
| 80 | 586 | 200 | 160 | 132 | 8-Φ18 | 165 | 190 | 152.4 | 127 | 4-18 | 185 | 150 | 126 | 8-19 |
| 100 | 607 | 220 | 180 | 156 | 8-Φ18 | 194 | 230 | 190.5 | 157.2 | 8-18 | 210 | 175 | 151 | 8-19 |
| 125 | 668 | 250 | 210 | 184 | 8-Φ18 | 194 | 255 | 215.9 | 185.7 | 8-22 | 250 | 210 | 182 | 8-23 |
| 150 | 693 | 285 | 240 | 211 | 8-Φ22 | 229 | 280 | 241.3 | 215.9 | 8-22 | 280 | 240 | 212 | 8-23 |
| 200 | 768 | 340 | 295 | 266 | 12-Φ22 | 243 | 345 | 298.5 | 269.9 | 8-22 | 330 | 290 | 262 | 12-23 |
| 250 | 901 | 405 | 355 | 319 | 12-Φ26 | 297 | 405 | 362 | 323.8 | 12-26 | 400 | 355 | 324 | 12-25 |
| 300 | 921 | 460 | 410 | 370 | 12-Φ26 | 338 | 485 | 431.8 | 381 | 12-26 | 445 | 400 | 368 | 16-25 |
| 350 | 1062 | 520 | 470 | 429 | 16-Φ29 | 400 | 535 | 476.3 | 412.8 | 12-30 | 490 | 445 | 413 | 16-25 |
| 400 | 1117 | 580 | 525 | 480 | 16-Φ30 | 400 | 595 | 539.8 | 469.9 | 16-30 | 560 | 510 | 475 | 16-27 |
| 450 | 1255 | 640 | 585 | 548 | 20-Φ30 | 520 | 635 | 577.9 | 533.4 | 16-33 | 620 | 565 | 530 | 20-27 |
| 500 | 1282 | 715 | 650 | 609 | 20-Φ33 | 600 | 700 | 635 | 584.2 | 20-33 | 675 | 620 | 585 | 20-27 |
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