Feature：
1. The product has logical structure, reliable seal, excellent performace and nice design.
2. The seal surface is builu-up welding with co-hard alloy, which is attriction resistant, corrision resistant, has good friction resistant.
3. It has double seal capbility, thus is nore reliable.
4. The stem may show the position of lift, thus it is clear.
5. The stem is quenched and temperatured, and its surface is treated by nitriding treatment.
Standard:
Design and Manufacture: API600, API6D, BS1414, BS1873 etc.
Face to face(end to end):ANSI B16.10,
Flanged connection: ANSI B16.5
Butt welded end: ANSI B16.25
Test and inspection: API598,
Structure：
Main parts material:
|
Sr No
|
Part
|
Material: Cast Carbon Steel
|
Material: Cast Stainless Steel
|
|
1.
|
Body
|
A-216 Gr. WCB / A-352 Gr. LCB
|
ASTM-A-351 Gr. CF8/CF8M
|
|
2.
|
Seat
|
AISI 410/Gr. CA-15
|
AISI 304 /316
|
|
3.
|
Plug
|
AISI 410/Gr. CA-15
|
ASTM-A-351 Gr. CF8/CF8M
|
|
4.
|
Stem
|
AISI 410
|
AISI 304 /316
|
|
5.
|
Gasket
|
Spiral Wound
|
Spiral Wound
|
|
6.
|
Bonnet
|
ASTM-A-216 Gr. WCB
|
ASTM-A-351 Gr. CF8/CF8M
|
|
7.
|
Bonnet Stud / Nut
|
ASTM-A-193 Gr.B7
ASTM-A-194 Gr.2H
|
ASTM-A-193 Gr.B8
ASTM-A-194 Gr.8
|
|
8.
|
Bellow
|
AISI 321/316L/316Ti
|
AISI 304/316L/316Ti
|
|
9.
|
Gland Packing
|
Graphited Asbestos
|
PTFE
|
|
10.
|
Gland Bush
|
AISI 410
|
AISI 304/316
|
|
11.
|
Gland Flange
|
C.S.
|
AISI 304/316
|
|
12.
|
Cross Bolt & Nut
|
C.S.
|
AISI 304/316
|
|
13.
|
Eye Bolt & Nut
|
C.S.
|
AISI 304/316
|
|
14.
|
Yoke Sleeve
|
Ni-Resist
|
Ni-Resist
|
|
15.
|
Hand Wheel
|
C.S. Fabricated
|
C.S. Fabricated
|
|
16.
|
Cylinder
|
C.S. Fabricated
|
S.S. Fabricated
|
Main Dimensions
Main external and connecting dimensions Unit:mm
|
Model
|
ZDAWJ41-150LB
|
|
Pressure
|
150LB
|
|
mm
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
350
|
|
in
|
1/2
|
3/4
|
1
|
5/4
|
3/2
|
2
|
5/2
|
3
|
4
|
5
|
6
|
8
|
10
|
12
|
14
|
|
L
|
108
|
117
|
127
|
140
|
165
|
203
|
216
|
241
|
292
|
356
|
406
|
495
|
622
|
698
|
787
|
|
H
|
241
|
241
|
241
|
280
|
286
|
368
|
387
|
400
|
457
|
520
|
609
|
698
|
762
|
876
|
990
|
|
W
|
120
|
140
|
140
|
180
|
200
|
220
|
260
|
280
|
300
|
320
|
340
|
400
|
450
|
450
|
450
|
|
(kg)Weight
|
4
|
5
|
6
|
10
|
13
|
18
|
30
|
35
|
55
|
75
|
104
|
200
|
300
|
390
|
610
|
|
Model
|
300
|
|
Pressure
|
300LB
|
|
mm
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
350
|
|
in
|
1/2
|
3/4
|
1
|
5/4
|
3/2
|
2
|
5/2
|
3
|
4
|
5
|
6
|
8
|
10
|
12
|
14
|
|
L
|
152
|
178
|
203
|
215
|
229
|
267
|
292
|
318
|
356
|
400
|
444
|
559
|
622
|
711
|
762
|
|
H
|
241
|
241
|
283
|
320
|
322
|
399
|
438
|
450
|
584
|
610
|
660
|
762
|
850
|
1085
|
1187
|
|
W
|
120
|
140
|
140
|
180
|
200
|
220
|
260
|
280
|
300
|
320
|
340
|
400
|
450
|
450
|
450
|
|
(kg)Weight
|
6
|
7
|
10
|
15
|
20
|
25
|
30
|
52
|
88
|
115
|
160
|
259
|
420
|
595
|
876
|
|
Model
|
ZDAWJ41-600LB
|
|
Pressure
|
600LB
|
|
mm
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
350
|
|
in
|
1/2
|
3/4
|
1
|
5/4
|
3/2
|
2
|
5/2
|
3
|
4
|
5
|
6
|
8
|
10
|
12
|
14
|
|
L
|
165
|
190
|
216
|
229
|
241
|
292
|
330
|
356
|
432
|
508
|
559
|
660
|
787
|
838
|
889
|
|
H
|
240
|
280
|
320
|
320
|
390
|
430
|
480
|
508
|
635
|
750
|
914
|
1016
|
1219
|
1330
|
1560
|
|
W
|
140
|
140
|
160
|
160
|
180
|
180
|
250
|
250
|
350
|
400
|
450
|
500
|
600
|
720
|
760
|
|
(kg)Weight
|
7
|
10
|
16
|
22
|
29
|
35
|
50
|
90
|
150
|
230
|
300
|
510
|
850
|
1120
|
1400
|
|
Model
|
ZDAWJ41-900LB
|
|
Pressure
|
900LB
|
|
mm
|
15
|
20
|
25
|
32
|
40
|
50
|
65
|
80
|
100
|
125
|
150
|
200
|
250
|
300
|
350
|
|
in
|
1/2
|
3/4
|
1
|
5/4
|
3/2
|
2
|
5/2
|
3
|
4
|
5
|
6
|
8
|
10
|
12
|
14
|
|
L
|
229
|
229
|
254
|
279
|
305
|
368
|
419
|
381
|
457
|
559
|
610
|
737
|
838
|
965
|
1029
|
|
H
|
280
|
330
|
350
|
430
|
508
|
569
|
430
|
635
|
774
|
860
|
1040
|
1330
|
1560
|
1650
|
1780
|
|
W
|
160
|
160
|
180
|
180
|
250
|
250
|
320
|
350
|
450
|
550
|
600
|
720
|
760
|
820
|
890
|
|
(kg)Weight
|
10
|
16
|
23
|
37
|
49
|
65
|
75
|
120
|
200
|
350
|
410
|
790
|
1300
|
1500
|
1800
|