
Structure type
The valve is composed of main valve, pilot valve, needle valve, check valve, ball valve, micro filter and pressure gauge. Since the pilot valve, needle valve and pressure gauge are connected to the main valve with a catheter, they are collectively referred to as the catheter control system, as shown in the figure.

Main Outline Dimensions and Connection Dimensions
|
DN |
L |
D |
D1 |
D2 |
Z-d |
H1 |
H |
||||||||
|
PN1.0 |
PN1.6 PN2.5 |
PN1.0 |
PN1.6 |
PN2.5 |
PN1.0 PN1.6 PN2.5 |
PN1.0 PN1.6 |
PN2.5 |
||||||||
|
50 |
203 |
165 |
165 |
165 |
125 |
125 |
125 |
100 |
100 |
100 |
4-18 |
4-18 |
4-18 |
210 |
68 |
|
65 |
216 |
185 |
185 |
185 |
145 |
145 |
145 |
120 |
120 |
120 |
4-18 |
4-18 |
8-18 |
225 |
75 |
|
80 |
240 |
200 |
200 |
200 |
160 |
160 |
160 |
135 |
135 |
135 |
8-18 |
8-18 |
8-18 |
230 |
80 |
|
100 |
292 |
220 |
220 |
235 |
180 |
180 |
190 |
155 |
155 |
160 |
8-18 |
8-18 |
8-23 |
245 |
85 |
|
125 |
350 |
250 |
250 |
270 |
210 |
210 |
220 |
185 |
185 |
188 |
8-18 |
8-18 |
8-26 |
260 |
95 |
|
150 |
356 |
285 |
285 |
300 |
240 |
240 |
250 |
210 |
210 |
218 |
8-23 |
8-23 |
8-26 |
270 |
105 |
|
200 |
457 |
340 |
340 |
360 |
295 |
295 |
310 |
265 |
265 |
278 |
8-23 |
12-23 |
12-26 |
280 |
125 |
|
250 |
520 |
395 |
405 |
425 |
350 |
355 |
370 |
320 |
320 |
332 |
12-23 |
12-25 |
12-30 |
300 |
135 |
|
300 |
620 |
445 |
460 |
485 |
400 |
410 |
430 |
368 |
375 |
390 |
12-23 |
12-25 |
16-30 |
350 |
160 |
|
350 |
670 |
500 |
520 |
550 |
460 |
170 |
190 |
428 |
435 |
448 |
16-23 |
16-25 |
16-34 |
400 |
190 |
|
400 |
750 |
565 |
580 |
610 |
515 |
525 |
550 |
482 |
482 |
503 |
16-26 |
16-30 |
16-34 |
480 |
215 |
|
450 |
800 |
615 |
640 |
660 |
565 |
585 |
600 |
532 |
545 |
555 |
20-26 |
20-30 |
20-34 |
600 |
250 |
|
500 |
850 |
670 |
705 |
730 |
620 |
660 |
660 |
585 |
608 |
610 |
20-26 |
20-34 |
20-41 |
630 |
295 |
|
600 |
900 |
780 |
840 |
840 |
725 |
770 |
770 |
685 |
728 |
718 |
20-30 |
20-41 |
24-41 |
690 |
315 |
|
700 |
1050 |
895 |
910 |
955 |
840 |
840 |
875 |
800 |
788 |
815 |
24-30 |
24-41 |
24-48 |
|
|
|
800 |
1200 |
1015 |
1000 |
1070 |
950 |
950 |
990 |
905 |
898 |
930 |
24-33 |
24-41 |
24-48 |
|
|
Main technical performance
|
公称压力 |
1.0MPa |
1.6MPa |
2.5MPa |
|
壳体试验压力 |
1.6MPa |
2.4MPa |
3.75MPa |
|
密封试验压力 |
11MPa |
176MPa |
2.75MPa |
|
最大入口压力 |
1.0MPa |
1.6MPa |
2.5MPa |
|
出口压可调范围 |
0.09~08MPa |
0.1~1.2MPa |
0.2~2.1MPa |
|
适用温度 |
0℃~80℃ |
||
|
适用介质 |
水 |
||