GB Flat Gate Valve Without Diversion Hole

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GB Flat Gate Valve Without Diversion Hole

Product Model: Z6s43 (4) WF (Y, H)
Nominal Diameter: DN50 ~ 700mm, NPS2 "~ 28"
Nominal Pressure: PN1.0 ~ 16.0MPa, Class150 ~ 900Lb
Applicable Temperature: "G" 250 ° C), "D" type (-45 ~ 121 ℃), common type (-29 ~ 121 ℃)
Applicable Medium: "KZ" type (containing H2S and CO2> 500Mg / m3 medium), "Z" Oil, gas, water, etc.)
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Product Features   
The series of valves with reliable sealing performance, opening and closing torque is small, with anti-sulfur wear, long life, can pass sweater cleaning lines and other characteristics; for water, oil, natural gas, steam and other non-corrosive and corrosive media Of the pipeline system for opening and closing devices, especially for petrochemical, oil, gas, long-distance pipeline and other fields. (4) WF (Y, H) Connection: Flange structure: 3-gate, 4-double gate Seal nature: H-alloy steel, F-reinforced Teflon, Y-Cemented Carbide.
 

Nominal Pressure

 

Product Number

1.0 to 16.0 MPa 
150 to 900 Lb

No diversion holes

Z6s43WF, Z6s43WD, Z6s43WY, Z6s43WbF, Z6s43WbY

There is a diversion hole

Z6s43NF, Z6s43DF, Z6s43YF, Z6s43F, Z6s43D, Z6s43Y

 

Performance Specification

Pressure Level

Pressure test at room temperature (MPa)

Applicable temperature (℃)

Applicable media

case

Left sealed

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


       Media containing H2S
       and CO2 > 500Mg / m3

Oil, natural 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

Pound 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

 

Main Parts Materials

Part Name

Body, bonnet

gate

Stem

Seat

Stem nut

Sealing ring

Filler

Seal finger

"Z" type

WCB

Alloy Steel (special treatment)

Stainless Steel

Alloy steel (special treatment)

Aluminum bronze

Filled with tetrafluoroethane

Filled with tetrafluoroethylene, expanded graphite

Oil sealant

"KZ" type

Resistant to sulfur and stainless steel

Anti-sulfur sealant

 

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

1549

 



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