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KPTYZ42H automatic leveling valve oil seal
Product Name:
KPTYZ42H automatic leveling valve oil seal
Description:

自動調平油密封閘閥  KPTYZ42H

 自動調平油密封閘閥特點:楔式自動(dong)調(diao)平(ping)油(you)密(mi)封(feng)(feng)閘(zha)閥(fa)涉及一種(zhong)輸(shu)送氣體(ti)管道的閘(zha)閥(fa)。針對現有閘(zha)閥(fa)存在(zai)著力(li)矩(ju)大,密(mi)封(feng)(feng)不嚴密(mi),工作壓(ya)(ya)力(li)低等缺點,而提出一種(zhong)結構(gou)簡單,制造(zao)維修方(fang)便,開關力(li)矩(ju)小,密(mi)封(feng)(feng)性能好的楔式自動(dong)調(diao)平(ping)油(you)密(mi)封(feng)(feng)閘(zha)閥(fa)。所(suo)采用技術(shu)方(fang)案是閥(fa)座(7)中間楔形孔裝置有凸(tu)形閘(zha)板(4)和凹(ao)形閘(zha)板(8),閥(fa)座(7)的上面與靠(kao)閥(fa)體(ti)(6)的中腔壁處裝有自動(dong)壓(ya)(ya)油(you)密(mi)封(feng)(feng)機構(gou)(9)。廣泛用于輸(shu)送氣體(ti)管路中。

     自動(dong)(dong)調(diao)平油(you)密(mi)(mi)(mi)(mi)封(feng)閘(zha)閥(fa)(fa)(fa)(fa)(fa)結構原理:是在現(xian)有楔式彈性閘(zha)閥(fa)(fa)(fa)(fa)(fa)結構的基(ji)礎(chu)上(shang)(shang)發展出來的,即在現(xian)有楔式閘(zha)閥(fa)(fa)(fa)(fa)(fa)閥(fa)(fa)(fa)(fa)(fa)體的中腔(qiang)丙閥(fa)(fa)(fa)(fa)(fa)座(zuo)位(wei)置處,各裝有一個(ge)(ge)自動(dong)(dong)壓油(you)密(mi)(mi)(mi)(mi)封(feng)潤滑(hua)機構,這(zhe)個(ge)(ge)機構盛有密(mi)(mi)(mi)(mi)封(feng)脂(zhi)的油(you)缸,可(ke)沿油(you)缸內(nei)表面移動(dong)(dong)的活(huo)(huo)塞和閥(fa)(fa)(fa)(fa)(fa)座(zuo)組成,當(dang)閥(fa)(fa)(fa)(fa)(fa)關閉時(shi),閥(fa)(fa)(fa)(fa)(fa)體中腔(qiang)內(nei)充滿介質(zhi)壓力,在閥(fa)(fa)(fa)(fa)(fa)后,即閥(fa)(fa)(fa)(fa)(fa)的下游端,由于介持被切斷,與中腔(qiang)形成一個(ge)(ge)壓力差(cha)值,在這(zhe)壓力差(cha)作用下,推動(dong)(dong)活(huo)(huo)塞向下運動(dong)(dong),從(cong)而壓縮油(you)缸內(nei)的密(mi)(mi)(mi)(mi)封(feng)脂(zhi),通過(guo)閥(fa)(fa)(fa)(fa)(fa)座(zuo)通道進(jin)入閥(fa)(fa)(fa)(fa)(fa)座(zuo)密(mi)(mi)(mi)(mi)封(feng)面上(shang)(shang)形在密(mi)(mi)(mi)(mi)封(feng)油(you)膜,從(cong)而實(shi)現(xian)密(mi)(mi)(mi)(mi)封(feng)。在閥(fa)(fa)(fa)(fa)(fa)體外部的前(qian)后部位(wei),各裝有一個(ge)(ge)密(mi)(mi)(mi)(mi)封(feng)脂(zhi)補償壓入機構,當(dang)閥(fa)(fa)(fa)(fa)(fa)匯漏需(xu)補償密(mi)(mi)(mi)(mi)封(feng)脂(zhi)時(shi),只(zhi)需(xu)旋轉(zhuan)壓蓋,密(mi)(mi)(mi)(mi)封(feng)脂(zhi)便可(ke)通過(guo)閥(fa)(fa)(fa)(fa)(fa)體的油(you)孔(kong),進(jin)入閥(fa)(fa)(fa)(fa)(fa)座(zuo)密(mi)(mi)(mi)(mi)封(feng)面上(shang)(shang)又實(shi)現(xian)了(le)密(mi)(mi)(mi)(mi)封(feng)。

  主要特點及用途Characteristics and uses
試驗壓力Test pressure

公稱(cheng)壓力PN(MPa)

試驗壓力(MPa)

殼體

密封(液)

密封(氣)

上密封

1.6

2.4

1.8

O.6

1.8

2.5

3.8

2.8

2.8

4.0

6.O

4.4

4.4

6.4

9.6

7.O

7.0

10.O

15.0

11.O

1.O

16.0

24.0

18.0

18.0

適用范圍Applicable scope

殼體材料

適用介質

適用溫度(℃)

碳素鋼(C型)

水、蒸汽、油品

≤425

鉻鎳鈦鋼(P型)

硝酸類

≤200

鉻鎳鉬鈦鋼(R型)

醋酸類

≤200

鉻鉬鋼(I型)

水、蒸汽、油品

≤550

鉻鉬釩鋼(V型)

水、蒸汽、油品

≤570

主要零部件材料Material for main parts

閥體、閥蓋

閥板、閥座

閥桿

閥桿螺母

填料

手輪

碳素鋼

優質碳金鋼+硬質合金或不銹鋼

鉻不銹鋼

鋁青銅

石墨石棉盤根

可鍛鑄鐵

鉻鎳鈦鋼

不銹(xiu)鋼、不銹(xiu)鋼+硬(ying)質合金

鉻鎳鈦不銹鋼

鋁青銅

浸聚四氟乙

可鍛鑄鐵

鉻鎳鉬鈦鋼

不銹鋼(gang)、不銹鋼(gang)+硬質合金

鉻鎳鉬鈦不銹鋼

鋁青銅

烯石棉盤根

球墨鑄鐵

鉻鉬鋼

合金鋼+硬質合金

鉻鉬鋼

鋁青銅

柔性石墨

球墨鑄鐵

鉻鉬釩鋼

合金鋼+硬質合金

鉻鉬釩鋼

鋁青銅

柔性石墨

球墨鑄鐵


外形及連接尺寸Main external and connecting dimensions

公(gong)稱通徑(jing)DN(mm)

主要外(wai)形(xing)尺寸(cun)和連(lian)接尺寸(cun)(mm)

重量(Kg)

L

D

D1

D2

b

f

Z-Φd

H

H1

D0

[K]PTYZ42H-16C/P/I

25

160

115

85

65

14

2

4-14

275

303

160

9

32

180

135

100

78

16

2

4-18

280

321

180

12

40

200

145

110

85

16

3

4-18

300

352

200

26.5

50

250

160

125

100

16

3

4-18

358

438

240

29

65

265

180

145

120

18

3

4-18

375

450

240

33

80

280

195

160

135

20

3

8-18

433

528

280

45

100

300

215

180

155

20

3

8-18

502

620

320

63

125

325

245

210

185

22

3

8-18

612

753

360

108

150

350

280

240

210

24

3

8-23

676

847

360

134

200

400

335

295

265

26

3

12-23

820

1039

400

192

250

450

405

355

320

30

3

12-25

969

1245

450

273

300

500

460

410

375

30

4

12-25

1142

1472

560

397

350

550

520

470

435

34

4

16-25

1280

1450

640

590

400

600

580

525

485

36

4

16-30

1452

1887

640

850

450

650

640

585

545

40

4

20-30

1541

5011

720

907

500

700

705

650

608

44

4

20-34

1676

2181

720

958

600

800

840

770

718

48

5

20-41

1874

2346

800

1112

700

900

910

840

788

50

5

24-41

2489

2700

900

1520

800

1000

1020

950

898

52

5

28-41

2643

2860

1000

1860

900

1100

1120

1050

998

54

5

28-41

2590

3170

1000

1900

1000

1200

1255

1170

1110

56

5

28-41

2750

3430

1100

2010

[K]PTYZ42H-25C/P/I

 

25

160

115

85

65

14

2

4-14

275

303

160

9

32

180

135

100

78

16

2

4-18

280

321

180

12

40

200

145

110

85

16

3

4-18

300

352

200

26.5

50

250

160

125

100

16

3

4-18

358

438

240

29

65

265

180

145

120

18

3

4-18

375

450

240

33

80

280

195

160

135

20

3

8-18

433

528

280

45

100

300

215

180

155

20

3

8-18

502

620

320

63

125

325

245

210

185

22

3

8-18

612

753

360

108

150

350

280

240

210

24

3

8-23

676

847

360

134

200

400

335

295

265

26

3

12-23

820

1039

400

192


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