NKZ44H-10C Vacuum Isolation Gate Valve
Product overview
Product model: NKZ44H-10C
Nominal diameter: DN50~800mm
Nominal pressure: PN1.0~ 35.0MPa, 150Lb-3500Lb
Operating temperature: -40-600℃
Connection mode: flange, thread, butt welding, socket welding, NPT
Main materials: PTFE, PVC, ABS, RPP, 304,316,304 L, 316L, SS316, WCB, CF3, CF8, CF3M, CF8M, cast steel, cast iron, forged steel, stainless steel, copper, etc
NKZ44H-10C Vacuum Isolation Gate Valve product overview:
NKZ44H-10C Vacuum Isolation Gate Valve produced and sold by Baigang Valve Group has two connecting forms: flange and welding, and two driving modes: manual and electric.The valve is suitable for the working temperature ≤425℃ and ≤550℃, the working medium is water, steam or air pipeline, as the opening and closing device;It is especially suitable for condensing and vacuum negative pressure system of steam engine in thermal power plant, and plays the role of vacuum isolation and sealing.
NKZ44H-10C Vacuum Isolation Gate Valve structural features:
1, designed a vacuum sealed packing room, the system isolated from the atmosphere, with good environmental performance.
2, selection of sophisticated materials, all relevant standards at home and abroad, the overall high-quality materials.
3, advanced and reasonable pairing pair, improve the sealing performance, long service life.
4, the opening and closing pieces of parallel gate with two-way flexible seal, small friction, easy opening and closing, easy maintenance, reliable sealing, excellent performance.
5, the stem by quenching and nitriding surface treatment, good corrosion resistance, scratch resistance and wear resistance.
6, flange gasket composite materials, expansion coefficient, airtight, and ensure the system and the atmosphere isolated and reliable.
NKZ44H-10C Vacuum Isolation Gate Valve test pressure:
Nominal pressure |
Test pressure / MPa |
||
Shell strength test |
Seal test |
Seal test |
|
1.0 |
1.5 |
1.1 |
1.1 |
1.6 |
2.4 |
1.8 |
1.8 |
2.5 |
3.8 |
2.8 |
2.8 |
4.0 |
6.0 |
4.4 |
4.4 |
6.4 |
8.6 |
7.0 |
7.0 |
10.0 |
15.0 |
11.0 |
11.0 |
NKZ44H-10C Vacuum Isolation Gate Valve scope of application:
product type |
Suitable media |
Applicable temperature / ℃ |
NKZ41H |
Water, steam, air |
≤425 |
NKZ41H (Y) |
Water, steam, air |
≤550 |
NKZ44H-10C Vacuum Isolation Gate Valve main components and parts:
Part Name |
Body, bonnet |
Valve stem |
gate |
Sealing surface |
Stem nut |
filler |
fastener |
NKZ44H |
WCB |
2Crl3 |
25 |
H: Alloy steel |
Aluminum bronze |
Expanded composite graphite |
High-quality carbon steel |
NKZ44 |
Chrome-molybdenum steel |
20CrlMo1VA |
Chrome-molybdenum steel |
Y: Carbide |
Chrome-molybdenum steel |
NKZ44H-10C Vacuum Isolation Gate Valve size and weight:
DN / mm |
PN / MPa |
The main dimensions and connection dimensions / mm |
Valve |
Attached flange size / mm |
||||||||||
L |
H |
D |
D1 |
D2 |
b |
f |
zd |
W |
h |
D0 |
Dn |
|||
50 |
1.0 |
250 |
345 |
160 |
125 |
100 |
16 |
3 |
4-18 |
250 |
28 |
45 |
49 |
58 |
65 |
270 |
395 |
180 |
145 |
120 |
18 |
3 |
4-18 |
250 |
40 |
48 |
64 |
75 |
|
80 |
280 |
425 |
195 |
160 |
135 |
20 |
3 |
4-18 |
300 |
55 |
50 |
78 |
97 |
|
100 |
300 |
510 |
215 |
180 |
155 |
20 |
3 |
8-18 |
300 |
72 |
52 |
96 |
110 |
|
125 |
325 |
570 |
245 |
210 |
185 |
22 |
3 |
8-18 |
350 |
106 |
60 |
120 |
136 |
|
150 |
350 |
725 |
280 |
240 |
210 |
24 |
3 |
8-18 |
350 |
146 |
60 |
145 |
163 |
|
200 |
400 |
820 |
335 |
295 |
265 |
26 |
3 |
8-18 |
400 |
220 |
62 |
202 |
223 |
|
250 |
450 |
890 |
390 |
350 |
320 |
28 |
3 |
12-23 |
400 |
315 |
62 |
225 |
278 |
|
300 |
500 |
1070 |
440 |
400 |
368 |
28 |
3 |
12-23 |
450 |
398 |
65 |
303 |
330 |
|
350 |
550 |
1320 |
500 |
460 |
428 |
30 |
4 |
16-23 |
550 |
530 |
65 |
351 |
382 |
|
400 |
600 |
1450 |
565 |
515 |
482 |
32 |
4 |
16-25 |
550 |
690 |
65 |
398 |
432 |
|
450 |
650 |
1560 |
615 |
565 |
532 |
32 |
4 |
20-25 |
600 |
870 |
70 |
460 |
485 |
|
500 |
700 |
1720 |
670 |
620 |
585 |
34 |
4 |
20-25 |
650 |
1080 |
78 |
500 |
535 |
|
600 |
800 |
1880 |
780 |
725 |
685 |
36 |
5 |
20-30 |
700 |
1350 |
90 |
600 |
636 |
|
700 |
900 |
2085 |
895 |
840 |
800 |
40 |
5 |
24-30 |
750 |
1950 |
90 |
690 |
726 |
|
800 |
1000 |
2590 |
1010 |
950 |
905 |
44 |
5 |
24-34 |
800 |
2500 |
106 |
790 |
826 |
|
50 |
1.6 |
250 |
345 |
160 |
125 |
100 |
16 |
3 |
4-18 |
250 |
28 |
48 |
49 |
58 |
65 |
270 |
395 |
180 |
145 |
120 |
18 |
3 |
4-18 |
250 |
40 |
50 |
64 |
75 |
|
80 |
280 |
425 |
195 |
160 |
135 |
20 |
3 |
8-18 |
300 |
58 |
52 |
78 |
91 |
|
100 |
300 |
510 |
215 |
180 |
155 |
20 |
3 |
8-18 |
300 |
75 |
52 |
96 |
110 |
|
125 |
325 |
570 |
245 |
210 |
185 |
22 |
3 |
8-18 |
350 |
110 |
60 |
120 |
136 |
|
150 |
350 |
725 |
280 |
240 |
210 |
24 |
3 |
8-23 |
350 |
150 |
60 |
145 |
163 |
|
200 |
400 |
820 |
335 |
295 |
265 |
26 |
3 |
12-23 |
400 |
223 |
62 |
201 |
223 |
|
250 |
450 |
890 |
405 |
355 |
320 |
30 |
3 |
12-25 |
450 |
326 |
68 |
253 |
278 |
|
300 |
500 |
1070 |
460 |
410 |
375 |
30 |
3 |
12-25 |
550 |
432 |
70 |
303 |
330 |
|
350 |
550 |
1320 |
520 |
470 |
435 |
34 |
4 |
16-25 |
600 |
572 |
78 |
351 |
382 |
|
400 |
600 |
1450 |
580 |
525 |
485 |
36 |
4 |
16-30 |
650 |
740 |
90 |
398 |
432 |
|
450 |
650 |
1560 |
640 |
585 |
545 |
40 |
4 |
20-30 |
700 |
955 |
95 |
450 |
485 |
|
500 |
700 |
1720 |
705 |
650 |
608 |
44 |
4 |
20-34 |
750 |
1195 |
98 |
500 |
535 |
|
600 |
800 |
1880 |
840 |
770 |
718 |
48 |
5 |
20-41 |
800 |
1455 |
105 |
600 |
636 |
|
700 |
900 |
2085 |
g10 |
840 |
788 |
50 |
5 |
24-41 |
850 |
2110 |
110 |
690 |
726 |
|
800 |
1000 |
2590 |
1020 |
950 |
898 |
52 |
5 |
24-41 |
950 |
2630 |
115 |
790 |
826 |
DN / mm |
PN / MPa |
The main dimensions and connection dimensions / mm |
Valve |
Attached flange size / mm |
||||||||||
L |
H |
D |
D1 |
D2 |
b |
f |
Zd |
W |
h |
D0 |
Dn |
|||
50 |
2.5 |
250 |
345 |
160 |
125 |
100 |
20 |
3 |
4-18 |
250 |
30 |
48 |
49 |
64 |
65 |
270 |
395 |
180 |
145 |
120 |
22 |
3 |
8-18 |
250 |
43 |
52 |
66 |
82 |
|
80 |
280 |
425 |
195 |
160 |
135 |
22 |
3 |
8-18 |
300 |
60 |
55 |
78 |
95 |
|
100 |
300 |
510 |
230 |
190 |
160 |
24 |
3 |
8-23 |
300 |
79 |
62 |
100 |
117 |
|
125 |
325 |
570 |
270 |
220 |
188 |
28 |
3 |
8-25 |
350 |
114 |
68 |
125 |
144 |
|
150 |
350 |
725 |
300 |
250 |
218 |
30 |
3 |
8-25 |
350 |
157 |
72 |
151 |
172 |
|
200 |
400 |
820 |
360 |
310 |
278 |
34 |
3 |
12-25 |
400 |
243 |
60 |
201 |
223 |
|
250 |
450 |
890 |
425 |
370 |
332 |
36 |
3 |
12-30 |
450 |
345 |
85 |
253 |
278 |
|
300 |
500 |
1070 |
483 |
430 |
390 |
40 |
4 |
16-30 |
550 |
455 |
92 |
303 |
330 |
|
350 |
550 |
1320 |
550 |
4g0 |
448 |
44 |
4 |
16-34 |
650 |
615 |
98 |
351 |
382 |
|
400 |
|
1450 |
610 |
550 |
505 |
48 |
4 |
16-34 |
700 |
7g4 |
115 |
398 |
432 |
|
450 |
650 |
1560 |
660 |
600 |
555 |
50 |
4 |
20-34 |
750 |
1018 |
115 |
450 |
483 |
|
500 |
700 |
1720 |
730 |
660 |
610 |
52 |
4 |
20-41 |
800 |
1250 |
120 |
498 |
535 |
|
600 |
800 |
1880 |
840 |
770 |
718 |
56 |
5 |
20-41 |
850 |
1528 |
130 |
598 |
636 |
|
700 |
900 |
2085 |
955 |
875 |
815 |
60 |
5 |
24-48 |
900 |
2265 |
140 |
688 |
726 |
|
800 |
1000 |
2590 |
1070 |
990 |
930 |
64 |
5 |
24-48 |
1000 |
2847 |
150 |
788 |
826 |
DN / mm |
PN / MPa |
The main dimensions and connection dimensions / mm |
Valve |
Attached flange size / mm |
||||||||||||
L |
H |
D |
D1 |
D2 |
b |
f |
D6 |
f2 |
zd |
W |
h |
D0 |
Dn |
|||
50 |
4.0 |
250 |
345 |
160 |
125 |
100 |
20 |
3 |
88 |
4 |
4-18 |
300 |
35 |
48 |
48 |
64 |
65 |
270 |
395 |
180 |
145 |
120 |
22 |
3 |
110 |
4 |
8-18 |
300 |
49 |
52 |
66 |
82 |
|
80 |
280 |
425 |
195 |
160 |
135 |
22 |
3 |
121 |
4 |
8-18 |
350 |
65 |
58 |
78 |
95 |
|
100 |
300 |
510 |
230 |
190 |
160 |
24 |
3 |
150 |
4.5 |
8-23 |
350 |
87 |
68 |
100 |
117 |
|
125 |
325 |
570 |
270 |
220 |
188 |
28 |
3 |
176 |
4.5 |
8-25 |
400, |
124 |
68 |
125 |
144 |
|
150 |
350 |
725 |
300 |
250 |
218 |
30 |
3 |
204 |
4.5 |
8-25 |
400 |
172 |
72 |
151 |
172 |
|
200 |
400 |
820 |
375 |
320 |
282 |
38 |
3 |
260 |
4.5 |
12-30 |
450 |
275 |
88 |
19g |
223 |
|
250 |
450 |
890 |
445 |
385 |
345 |
42 |
3 |
313 |
4.5 |
12-34 |
550 |
392 |
102 |
251 |
278 |
|
300 |
500 |
1070 |
510 |
450 |
408 |
46 |
4 |
364 |
4.5 |
16-34 |
650 |
515 |
116 |
301 |
330 |
|
350 |
550 |
1320 |
570 |
510 |
465 |
52 |
4 |
422 |
5 |
16-34 |
750 |
684 |
120 |
34g |
382 |
|
400 |
600 |
1450 |
655 |
585 |
535 |
58 |
4 |
474 |
5 |
16-41 |
850 |
902 |
142 |
396 |
432 |
Reminder:
All text, data and pictures in this article are for reference only.To see more details of the NKZ44H-10C Vacuum Isolation Gate Valve performance parameters, structural dimension parameters, pricing, etc., or to request high quality printing samples, please Contact us.