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Remote floating ball valve

Remote floating ball valve

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Describe
Description:
 
The F745X remote control float valve consists of a main valve and a float valve and a take-over system. The main valve body adopts a full-channel, direct-flow, and streamlined design, and adopts a diaphragm type or a piston type. The takeover system consists of a float valve, a ball valve and a take-over. It is installed on the inlet pipe of the water tower and the pool to complete the function of maintaining the specified height of the water level of the water tower and the pool. It is widely used in the automatic control of the liquid level of water towers, pools and other facilities in water supply pipe network systems such as high-rise buildings and living areas. It can directly use the float ball guide valve for liquid level control, without other equipment and energy, simple structure, easy maintenance, control is not affected by water pressure, liquid level control accuracy is high, and sealing is reliable.
 
working principle:
When the pipeline feeds water from the inlet end, since the ball valve and the float valve are normally open, the water enters the pool through the micro filter, the ball valve B, the control chamber, the ball valve A, and the float valve, and the main valve control chamber does not form pressure, and the main valve is opened. Water tower (pool) water supply.
When the water level of the water tower (pool) rises to the set height, the float floats to close the float valve, and the water pressure in the control room rises to push the main valve to close, and the water supply stops. When the water level of the pool drops, the float valve is re-opened, the water pressure in the control room drops, and the main valve is opened again to continue the water supply, maintaining the set height of the liquid level.
 
Job characteristics:
1. Close and rigorous. The main valve seal is sealed by a rubber sealing ring, and the closing power is automatically formed by the main valve control room to maintain a proper closing force, and the sealing life and reliability are high.
2, easy to operate, no need to separate the control system for the valve. The valve automatically opens and closes as the liquid level changes.
3. The valve body adopts full channel, DC type and streamlined design. The hydraulic loss is small and the energy saving effect is good.
 
The main technical parameters:

Nominal pressure(Mpa)

Shell test pressure(MPa)

Seal test pressure(MPa)

Voltage regulation range(MPa)

Minimum operating pressure(MPa)

Applicable medium

Medium temperature(℃)

1.0

1.5

1.1

0.09-0.8

≥0.07

0-80

1.6

2.4

1.76

0.15-1.4

2.5

3.75

2.75

0.2-2.0

 

Main parts materials:

Part Name

Part material

Valve body bonnet

WCB

Seat valve disc

Copper alloy/2Cr13

Seal ring O-ring

Nitrile rubber

Valve stem

2Cr13

spring

50CrVA

Cylinder liner piston (piston type)

2Cr13

Diaphragm (diaphragm type)

Fabriced nitrile rubber

Control valve

Copper alloy

filter

stainless steel

 

Connection size:

DN

L

H

D
mm

D1
mm

b
mm

D2
mm

n-Φd

mm

mm

PN1.0

PN1.6

PN2.5

PN1.0

PN1.6

PN2.5

PN1.0

PN1.6

PN2.5

PN1.0

PN1.6

PN2.5

PN1.0

PN1.6

PN2.5

40

240

270

150

150

150

110

110

110

18

18

18

88

88

84

4-17.5

4-17.5

4-18

50

240

270

165

165

165

125

125

125

20

20

20

102

102

99

4-17.5

4-17.5

4-18

65

270

340

185

185

185

145

145

145

20

20

22

122

122

118

4-17.5

4-17.5

8-18

80

300

400

200

200

200

160

160

160

22

22

24

133

133

132

8-17.5

8-17.5

8-18

100

350

440

220

220

235

180

180

190

24

24

24

158

158

156

8-17.5

8-17.5

8-22

125

400

460

250

250

270

210

210

220

26

26

26

184

184

184

8-17.5

8-17.5

8-26

150

480

500

285

285

300

240

240

250

26

26

28

212

212

211

8-22

8-22

8-26

200

500

640

340

340

360

295

295

310

28

30

30

268

268

274

8-22

12-22

12-26

250

605

690

395

405

425

350

355

370

28

32

32

320

320

330

12-22

12-26

12-30

300

700

820

445

460

485

400

410

430

28

32

34

370

370

389

12-22

12-26

16-30

350

800

950

505

520

555

460

470

490

30

36

38

430

430

448

16-22

16-26

16-33

400

900

1400

565

580

620

515

525

550

32

38

40

482

482

503

16-26

16-30

16-36

450

1000

1580

615

640

670

565

585

600

32

40

42

532

550

548

20-26

20-30

20-36

500

1100

1600

670

715

730

620

650

660

34

42

44

585

585

609

20-26

20-33

20-36

600

1300

1815

780

840

845

725

770

770

36

48

46

685

685

720

20-30

20-36

20-39

700

1400

2040

895

910

960

840

840

845

40

54

50

800

800

820

24-30

24-36

24-42

800

1500

2350

1015

1025

1085

950

950

990

44

58

54

905

905

925

24-33

24-39

24-48

900

1700

2606

1115

1125

1185

1050

1050

1090

46

62

58

1005

1005

1028

28-33

28-39

28-48

1000

1900

2765

1230

1255

1320

1160

1170

1210

50

66

62

1110

1110

1140

28-36

28-42

28-56

1200

2050

2950

1455

1485

1530

1380

1390

1420

56

52

70

1330

1328

1350

32-39

32-48

32-55