Bellow Sealed Globe Valve
product manual
Bellows globe valves is suitable for cutting off or connecting the pipeline media in various working conditions such as petroleum, chemical, pharmaceutical, chemical fertilizer and electric power industry with nominal pressure of PN1.6 ~ PN4.0MPa and working temperature of -20 ℃ ~ 350 ℃.
Structure and use
1, the product structure is reasonable, reliable sealing performance, handsome in appearance;
2, the sealing surface surfacing Co-based carbide, wear-resistant, corrosion-resistant, anti-friction performance, long life;
3, stem quenching and nitriding surface treatment, a good anti-corrosion and anti-friction properties;
4, right-angle German standard bellows globe valve double seal, more reliable performance;
5, stem lift position instructions, more intuitive;
6, parts materials, flanges and butt weld size can be reasonable according to the actual conditions or user requirements matching, to meet the needs of various projects.
specifications
structure type |
BB-BG |
Drive mode |
Manual |
pneumatic |
|
design standards |
DIN3356 |
Structure length |
DIN3203 |
Connect the flange |
DIN2543-2545 |
Test and inspection |
DIN3230 |
Product parts materials
Serial number |
name |
Material |
1 |
Body |
GS-C25、CF8、CF3 |
2 |
Disc |
2CR13、F304、F316 |
3 |
Shaft pin |
F304、F316 |
4 |
Bellows assembly |
F304、F316L |
5 |
cap |
GS-C25、CF8、CF3 |
6 |
filler |
Flexible graphite、PTFE |
7 |
Pressure sleeve |
25#、F304、F316 |
8 |
Positioning pieces |
25#、F304、F316 |
9 |
Stem nut |
Copper alloy ZQA19-4 |
10 |
Handwheel |
Carbon steel |
11 |
And hat |
25# |
12 |
Oil Cup |
brass |
13 |
Hex nuts |
ASTMA193 2H、A193-8、A193-8M |
14 |
Studs |
ASTMA193 B7、A193-B8、A193-B8M |
15 |
Gasket |
Flexible graphite + stainless steel |
16 |
Valve stem |
2Cr13、F3 |
Product appearance and structure size
Nominal diameter |
The main dimensions and connection dimensions |
|||||||
L |
D |
D1 |
D2 |
b |
Z-d |
H |
D0 |
|
WJ41Y-16C |
||||||||
15 |
130 |
95 |
65 |
45 |
14-2 |
4-Φ14 |
170 |
120 |
20 |
150 |
105 |
75 |
55 |
14-2 |
4-Φ14 |
190 |
140 |
25 |
160 |
115 |
85 |
65 |
14-2 |
4-Φ14 |
205 |
160 |
32 |
180 |
135 |
100 |
78 |
16-2 |
4-Φ18 |
270 |
180 |
40 |
200 |
145 |
110 |
85 |
16-3 |
4-Φ18 |
310 |
200 |
50 |
230 |
160 |
125 |
100 |
16-3 |
4-Φ18 |
358 |
240 |
65 |
290 |
180 |
145 |
120 |
18-3 |
4-Φ18 |
373 |
240 |
80 |
310 |
195 |
160 |
135 |
20-3 |
8-Φ18 |
435 |
280 |
100 |
350 |
215 |
180 |
155 |
20-3 |
8-Φ18 |
500 |
300 |
125 |
400 |
245 |
210 |
185 |
22-3 |
8-Φ18 |
614 |
320 |
150 |
480 |
280 |
240 |
210 |
24-3 |
8-Φ23 |
674 |
360 |
200 |
600 |
335 |
295 |
265 |
26-3 |
12-Φ23 |
811 |
400 |
250 |
650 |
405 |
355 |
320 |
30-3 |
12-Φ25 |
969 |
450 |
300 |
750 |
460 |
410 |
375 |
30-3 |
12-Φ25 |
1145 |
580 |
350 |
850 |
520 |
470 |
435 |
34-4 |
16-Φ25 |
1280 |
640 |
400 |
980 |
580 |
525 |
485 |
36-4 |
16-Φ30 |
1452 |
640 |
WJ41Y-25C |
||||||||
15 |
130 |
95 |
65 |
45 |
16-2 |
4-Φ14 |
170 |
120 |
20 |
150 |
105 |
75 |
55 |
16-2 |
4-Φ14 |
190 |
140 |
25 |
160 |
115 |
85 |
65 |
16-2 |
4-Φ14 |
205 |
160 |
32 |
180 |
135 |
100 |
78 |
18-2 |
4-Φ18 |
270 |
180 |
40 |
200 |
145 |
110 |
85 |
18-3 |
4-Φ18 |
310 |
200 |
50 |
230 |
160 |
125 |
100 |
20-3 |
4-Φ18 |
358 |
240 |
65 |
290 |
180 |
145 |
120 |
22-3 |
8-Φ18 |
373 |
240 |
80 |
310 |
195 |
160 |
135 |
22-3 |
8-Φ18 |
435 |
280 |
100 |
350 |
230 |
190 |
160 |
24-3 |
8-Φ23 |
500 |
300 |
125 |
400 |
270 |
220 |
188 |
28-3 |
8-Φ25 |
614 |
320 |
150 |
480 |
300 |
250 |
218 |
30-3 |
8-Φ25 |
674 |
360 |
200 |
600 |
360 |
310 |
278 |
34-3 |
12-Φ25 |
811 |
400 |
250 |
650 |
425 |
370 |
332 |
36-3 |
12-Φ30 |
969 |
450 |
300 |
750 |
485 |
430 |
390 |
40-4 |
16-Φ30 |
1145 |
580 |
350 |
850 |
550 |
490 |
448 |
44-4 |
16-Φ34 |
1280 |
640 |
400 |
980 |
610 |
550 |
505 |
48-4 |
16-Φ34 |
1452 |
640 |