Z41H GB gate valve
Product Usage
Flange valve manufactured by LiangGong Valve Group Co., Ltd. is widely used in petroleum chemical industry, thermal power plant and other oil products, water vapor pipeline to connect or cut off the pipeline medium opening and closing device
Features
1, compact structure, reasonable design, good valve rigidity, smooth passage, small flow coefficient
2, the sealing surface of stainless steel and carbide, long life
3, Flexible graphite packing, reliable sealing, light and flexible operation
4, the driving mode is manual, pneumatic, electric, gear drive
5, the structure of the elastic wedge single gate, rigid wedge single gate double gate type
Executive Standard
Design specifications: GB / T 12234
Structure length: GB / T 12221
Connecting flange: JB / T 79.1
Test and inspection: JB / T 9092
Pressure - Temperature: GB / T 9131
Product Identification: GB / T 12220
Performance parameters
Nominal pressurePN(MPa) |
case |
test pressure(MPa) |
Sealed |
|
Sealed (liquid) |
Seal (gas) |
|||
1.6 |
2.4 |
1.8 |
0.6 |
1.8 |
2.5 |
3.8 |
2.8 |
0.6 |
2.8 |
4.0 |
6.0 |
4.4 |
0.6 |
4.4 |
6.4 |
9.6 |
7.0 |
0.6 |
7.0 |
10.0 |
15.0 |
11.0 |
0.6 |
11.0 |
16.0 |
24.0 |
18.0 |
0.6 |
18.0 |
Suitable medium and applicable temperature
Shell material |
Suitable media |
Applicable temperature (℃) |
Carbon steel (C type) |
Water, steam, oil |
≤425 |
Chromium nickel titanium steel (P type) |
Nitric acids |
≤200 |
Chrome nickel molybdenum titanium steel (R type) |
Acetic acid |
≤200 |
Chrome-molybdenum steel (type I) |
Water, steam, oil |
≤550 |
The main part material
Body, bonnet |
Valve plate, seat |
Valve stem |
Stem nut |
filler |
Handwheel |
Carbon steel |
High-quality carbon steel + carbide or stainless steel |
Chrome stainless steel |
Aluminum bronze |
Graphite asbestos packing |
Malleable iron |
Chromium nickel titanium steel |
Stainless steel, stainless steel + cemented carbide |
Chrome nickel-titanium stainless steel |
Aluminum bronze |
Teflon |
Malleable iron |
Chromium nickel molybdenum titanium steel |
Stainless steel, stainless steel + cemented carbide |
Chrome nickel-titanium stainless steel |
Aluminum bronze |
Teflon |
Malleable iron |
Chrome-molybdenum steel |
Alloy steel + Carbide |
Chrome-molybdenum steel |
Aluminum bronze |
Flexible asbestos |
Malleable iron |
Nominal diameter |
The main dimensions and connection dimensions |
|||||||
L |
D |
D1 |
D2 |
b |
Z-d |
H |
D0 |
|
Z41H-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 |
250 |
160 |
125 |
100 |
16-3 |
4-Φ18 |
358 |
240 |
65 |
265 |
180 |
145 |
120 |
18-3 |
4-Φ18 |
373 |
240 |
80 |
280 |
195 |
160 |
135 |
20-3 |
8-Φ18 |
435 |
280 |
100 |
300 |
215 |
180 |
155 |
20-3 |
8-Φ18 |
500 |
300 |
125 |
325 |
245 |
210 |
185 |
22-3 |
8-Φ18 |
614 |
320 |
150 |
350 |
280 |
240 |
210 |
24-3 |
8-Φ23 |
674 |
360 |
200 |
400 |
335 |
295 |
265 |
26-3 |
12-Φ23 |
811 |
400 |
250 |
450 |
405 |
355 |
320 |
30-3 |
12-Φ25 |
969 |
450 |
300 |
500 |
460 |
410 |
375 |
30-3 |
12-Φ25 |
1145 |
580 |
350 |
550 |
520 |
470 |
435 |
34-4 |
16-Φ25 |
1280 |
640 |
400 |
600 |
580 |
525 |
485 |
36-4 |
16-Φ30 |
1452 |
640 |
Z41H-25 |
||||||||
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 |
250 |
160 |
125 |
100 |
20-3 |
4-Φ18 |
358 |
240 |
65 |
265 |
180 |
145 |
120 |
22-3 |
8-Φ18 |
373 |
240 |
80 |
280 |
195 |
160 |
135 |
22-3 |
8-Φ18 |
435 |
280 |
100 |
300 |
230 |
190 |
160 |
24-3 |
8-Φ23 |
500 |
300 |
125 |
325 |
270 |
220 |
188 |
28-3 |
8-Φ25 |
614 |
320 |
150 |
350 |
300 |
250 |
218 |
30-3 |
8-Φ25 |
674 |
360 |
200 |
400 |
360 |
310 |
278 |
34-3 |
12-Φ25 |
811 |
400 |
250 |
450 |
425 |
370 |
332 |
36-3 |
12-Φ30 |
969 |
450 |
300 |
500 |
485 |
430 |
390 |
40-4 |
16-Φ30 |
1145 |
580 |
350 |
550 |
550 |
490 |
448 |
44-4 |
16-Φ34 |
1280 |
640 |
400 |
600 |
610 |
550 |
505 |
48-4 |
16-Φ34 |
1452 |
640 |