ny

Ukusebenza okuphezulu kweV iValve yeBhola

Inkcazelo emfutshane:

Iplagi yevalve yomgangatho ophezulu we-valve yebhola ye-V yibhola ye-V, eluhlobo lwevalve yokulawula ejikelezayo elawula ukuhamba kwamanzi ngokutshintsha indawo yokusika i-V.Ilungele kakhulu ukulawula imidiya equlethe iifayibha okanye iigranules, ezinjengolawulo kwizicelo ezifana nokuveliswa kwepulp yephepha, ukucocwa kwelindle, uxinzelelo lwemveliso ye-oyile ukuzinzisa umbhobho wokuthuthwa kweoyile, njl. njl. .Isihlalo sibonelelwa nge-booster ring yokulawula amandla okutywinwa.Xa ivalve ivuliwe okanye ivaliwe, i-V cut ivelisa amandla okucheba i-wedge kunye nesihlalo, ukwenzela ukuba ukusebenza kokutywinwa kuphezulu kune-valve yebhola ye-O, ivalve yesango, njl njl. Isetyenziswa ikakhulu kumashishini anjengepetrochemical industry, iphepha. & pulp, imboni yokukhanya, unyango lwamanzi, njl.


Iinkcukacha zeMveliso

Iithegi zeMveliso

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 kokutywina.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

imh

Imilo engama-271
igure 1 Idayagram yesakhiwo esithambileyo

Imilo engama-275
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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