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
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