Product drawings

Connection size

DN

PN

L

D

G

L2

350

16

510

510

377

405

400

16

838

560

426

420

450

16

991

578

487

430

500

16

991

660

530

470

600

16

1143

820

630

580

700

16

1346

1018

720

650

800

16

1524

1135

820

910

900

16

1727

1245

920

853

1000

16

1840

1415

1020

950

1200

16

2100

1576

1220

1030

Worm gear torque

DN

350

DN

400

DN

500

DN

600

DN

700

DN

800

DN

900

DN

1000

DN

1200

design basis

1. The design of the valve shall comply with Q/320506 FDV01-20132: GB/T 12224-2005 "General Requirements for Steel Valves"

2. GB/T 12220-1989 "General Valve Marking"

3. GB/T 12223-2005 "Connection of Partial Rotary Valve Drive Devices"

4. JB/T 12006-2014 "Welded Ball Valves for Steel Pipes"

5. GB/T 37827-2019 "Welded Ball Valves for Urban Heating"

Product Parts List

1

valve body

AISI 20

6.2

Hexagonal socket screw

8.8

2

Head cover

AISI 20

6.3

O-ring

Viton

3

Fixed ball

304

6.4

Oil free bearings

304+PTFE

4.1

Support Circle

A105

6.5

Discharge plug

20Cr13

4.2

valve seat

PTFE-C

7.1

Branch pipe

AISI 20

4.3

O-ring

Viton

7.2

Upper cover

A105

4.5

Spring

17-7PH

7.3

O-ring

Viton

5.1

Valve stem

20Cr13

7.4

shim

RPTFE

5.2

Oil free bearings

304+PTFE

7.5

filler

20Cr13

5.3

Thrust pad

PTFE

7.5

Hexagonal socket screw

8.8

5.4

O-ring

Viton

7.6

Card spring

65Mn

5.5

O-ring

Viton

41

Drive device

5.6

Flat key

AISI 1045

42

Bolt

8.8

6.1

base

A105

43

Nut

8