Feature：
1. JDBV valves are available in three bonnet disigns.Ths first disign is the Bollted. Bonnet.With male-female joint,apiral wound gasket,made in F304L/graphite.Ring joint gasket are also available on request.
2. The second design is the welded bonnet,with a threaded and seal welded joint.On request a full penetration strength welded joint is available.
3. The third design is the pressure seal bonnet,with a threaded and pressure seal bonnet joint.
Standard:
Design & manufacture: APl602，ANSI B l6.34
Socket weld Ends to ASME B16.11
Thread Ends(NPT)to ANSI B1.20.1
Testing & Inspection: API 598
Structure：
Main parts
|
NO
|
NAME OF PART
|
NO
|
NAME OF PART
|
|
1
|
LOCK NUT
|
10
|
PACKING
|
|
2
|
HANDWHEEL
|
11
|
BOLT
|
|
3
|
WASHER
|
12
|
BONNET
|
|
4
|
STEM NUT
|
13
|
GASKET
|
|
5
|
EYE BOLT
|
14
|
STEM
|
|
6
|
EYE BOLT NUT
|
15
|
DISC
|
|
7
|
GLAND FLANGE
|
16
|
SEAT RING
|
|
8
|
PACKING GLAND
|
17
|
BODY
|
|
9
|
EYE BOLT PIN
|
18
|
EYE BOLT PIN
|
Main parts material
|
NO
|
NAME OF PART
|
MATERIAL
|
|
1
|
LOCK NUT
|
CARBON STEEL AISI 1020
|
|
2
|
HANDWHEEL
|
MALLEABLE IRON
|
|
3
|
WASHER
|
CARBON STEEL AISI 1020
|
|
4
|
STEM NUT
|
ASTM A276 410
|
|
5
|
EYE BOLT
|
ASTM A276 410
|
|
6
|
EYE BOLT NUT
|
ASTM A194 2H
|
|
7
|
GLAND FLANGE
|
ASTM A216 WCB
|
|
8
|
PACKING GLAND
|
ASTM A276 410
|
|
9
|
EYE BOLT PIN
|
ASTM A276 410
|
|
10
|
PACKING
|
GRAPHITE
|
|
11
|
BOLT
|
ASTM A193 B7
|
|
12
|
BONNET
|
ASTM A105 - Also available in F5, F11, F304, F316, F51, F53, F347, and F321
|
|
13
|
GASKET
|
GRAPHITE
|
|
14
|
STEM
|
ASTM A276 410
|
|
15
|
DISC
|
ASTM A276 420
|
|
16
|
SEAT RING
|
INTERGRAL +HF
|
|
17
|
BODY
|
ASTM A105 - Also available in F5, F11, F304, F316, F51, F53, F347, and F321
|
Main Diemensions
CLASS 800 - Forged Steel Globe Valves - Socket Weld Ends
DIMENSIONS & WEIGHTS
|
SIZE
|
in
|
3/8
|
1/2
|
3/4
|
1
|
1-1/4
|
1-1/2
|
2
|
|
mm
|
10
|
13
|
19
|
25
|
32
|
38
|
51
|
|
D
|
in
|
.39
|
.51
|
.69
|
.91
|
1.18
|
1.38
|
1.81
|
|
mm
|
10
|
13
|
17.5
|
23
|
30
|
35
|
46
|
|
D1
|
in
|
1.34
|
1.34
|
1.57
|
1.89
|
2.52
|
2.52
|
3.07
|
|
mm
|
34
|
34
|
40
|
48
|
64
|
64
|
78
|
|
D2
|
in
|
.69
|
.86
|
1.07
|
1.33
|
1.68
|
1.92
|
2.41
|
|
mm
|
17.6
|
21.8
|
27.1
|
33.8
|
42.6
|
48.7
|
61.1
|
|
A
|
in
|
3.11
|
3.62
|
4.37
|
4.72
|
5.98
|
6.77
|
7.87
|
|
mm
|
79
|
92
|
111
|
120
|
152
|
172
|
200
|
|
H2
|
in
|
6.57
|
6.57
|
8.03
|
8.98
|
9.92
|
11.61
|
12.87
|
|
mm
|
167
|
167
|
204
|
228
|
252
|
295
|
327
|
|
L
|
in
|
3.94
|
3.94
|
4.92
|
6.30
|
6.30
|
7.09
|
7.87
|
|
mm
|
100
|
100
|
125
|
160
|
160
|
180
|
200
|
|
L1
|
in
|
.38
|
.38
|
.5
|
.5
|
.5
|
.5
|
.63
|
|
mm
|
9.6
|
9.6
|
12.7
|
12.7
|
12.7
|
12.7
|
15.9
|