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GB without diversion hole flat gate valve

Products > Oil field valve > GB without diversion hole flat gate valve

GB without diversion hole flat gate valve

Product Model: Z6s43 (4) WF (Y, H)
Nominal diameter: DN50 ~ 700mm, NPS2 "~ 28"
Nominal pressure: PN1.0 ~ 16.0MPa, Class150 ~ 900Lb
Design standards: API 600, API6D, ASME B16.34, GB / T 12234
Structure length: ASME B16.10, API6D, GB / T 12221
Connection standard: ASME B16.5, ASME B16.47, GB / T 9113, JB / T 79, HG / T 20592
Pressure test: API 598, GB / T 13927 , JB / T 9092
Pressure - Temperature class: ASME B16.34, GB / T 12224
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Features   
 This series of valves has the characteristics of reliable sealing, small opening and closing torque, anti-sulfur wear-resistant, long service life, can be used to clean the hair ball pipe and other characteristics; for water, oil, natural gas, steam and other non-corrosive and corrosive media Of the pipeline system for hoist device, especially for petrochemical, oil, gas, long-distance pipeline and other fields.  
 

Nominal pressure


Product number

1.0 to 16.0 MPa 
150 to 900 Lb

No diversion hole

Z6s43WF, Z6s43WD, Z6s43WY, Z6s43WbF, Z6s43WbY

Diversion hole

Z6s43NF, Z6s43DF, Z6s43YF, Z6s43F, Z6s43D, Z6s43Y

 

Performance specifications

Pressure Level

Pressure test at room temperature (MPa)

Applicable temperature (℃)

Suitable media

case

Left seal

Right seal

Low pressure seal

"G" type

"D" type

normal type

"KZ" type

"Z" type

Nominal pressure 
(MPa)

1.0

1.5

1.1

1.1

0.6

-29 ~ 250

-45 ~ 121

-29 ~ 121


Medium containing H2S
and CO2 > 500 Mg / m3

Oil, gas,
water and so on

1.6

2.4

1.76

1.76

0.6

2.5

3.75

2.75

2.75

0.6

4.0

6.0

4.4

4.4

0.6

6.4

9.6

7.04

7.04

0.6

10.0

15.0

11.0

11.0

0.6

16.0

24.0

17.6

17.6

0.6

Lb

150

2.93

2.07

2.07

0.6

300

5.52

5.52

5.52

0.6

400

10.0

7.31

7.31

0.6

600

15.0

11.03

11.03

0.6

900

22.4

16.54

16.54

0.6

 

The main part material

Part Name

Body, bonnet

gate

Valve stem

Seat

Stem nut

Sealing ring

filler

Seal means

"Z" type

WCB

Alloy steel (special treatment)

stainless steel

Alloy steel
(special treatment)

Aluminum bronze

Fill PTFE

Filled PTFE,
expanded graphite

Oil seal grease

"KZ" type

Sulfur-resistant stainless steel

Anti-sulfur sealant

 

The main dimensions

DN

PN16 
PN25 
150Lb

PN40 
PN64 
300Lb

PN40 
PN64 
PN100

PN100 
600Lb

PN160 
PN200

900Lb 
1500Lb

50

178

216

250

292

280

330

65

190

241

280

330

315

356

80

203

283

310

356

380

381

100

229

305

350

432

425

457

125

254

381

400

508

480

559

150

267

403

450

559

530

610

200

292

419

550

660

620

737

250

330

457

650

787

730

838

300

356

502

750

838

850

965

350

381

762

850

889

980

1029

400

406

838

950

991

1100

1130

450

432

914

1050

1092

1200

1219

500

457

991

1150

1194

1250

1321

600

508

1143

1350

1397

1450

1549

700

610

1346

1450





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