API Gate Valve
Product Usage
The Z40H American Standard Gate Valve manufactured by LiangGong Valve Group Co., Ltd. is applicable to ANSI Class150 ~ 2500, PN20 ~ 42, JIS10 ~ 20K, working temperature -29 ~ 425 ℃ (carbon steel) and -40 ~ 500 ℃ (stainless steel) Pipeline, used to cut off or connect the media in the pipeline. Through the selection of different materials, can be applied to water, steam, oil, nitric acid, acetic acid, strong oxidizing media and urea and other media.
Features
① product design and manufacture in line with advanced foreign standards, reliable sealing, excellent performance.
② compact and reasonable structure design, handsome in appearance.
③ using wedge-type flexible gate structure, large diameter set rolling bearings, opening and closing easily.
④ valve body full range of materials, packing, gasket according to the actual conditions or user requirements reasonable matching, applicable to all kinds of pressure, temperature and medium conditions.
⑤ adopt a variety of domestic and foreign standards for pipe flanges and flange sealing surface type to meet the needs of various projects and user requirements.
Executive Standard
Design and Manufacturing: API 600
Flange size: ANSI B16.5
Structure length: ANSI B16.10
Pressure ~ Temperature: ANSI B16.34
Inspection and Testing: API 598
Performance parameters
Nominal pressure(Lb) |
Strength test |
Water seal test |
Gas seal test |
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MPa |
Lbf/in2 |
MPa |
Lbf/in2 |
MPa |
Lbf/in2 |
|
150 |
3.1 |
450 |
2.2 |
315 |
0.6 |
60 |
300 |
7.8 |
1125 |
5.6 |
815 |
0.6 |
60 |
600 |
15.3 |
2225 |
11.2 |
1630 |
0.6 |
60 |
The main part material
Body, bonnet, gate |
WCB |
1Cr18Ni9Ti |
CF8(304) |
CF3(304L) |
1Cr18Ni12Mo2Ti |
CF8M(316) |
Sealing surface |
Cr13 or cemented carbide |
Body (W) or cemented carbide (Y) |
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Stem and inner parts |
2Cr13 |
1Cr18Ni9Ti |
0Cr19Ni9(304) |
00Cr19Ni11(304L) |
1Cr18Ni12Mo2Ti |
0Cr17Ni12Mo2(316) |
filler |
Flexible graphite |
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Gasket |
Stainless steel spiral wound gasket |
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Suitable media |
Water, steam, oil and so on |
Nitric acid and other corrosive media |
Strong oxidizing media |
Acetic acid and other corrosive media |
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proper temperature |
-29~425℃ |
-40~500℃ |
The main shape and connection dimensions
Nominal diameter |
The main dimensions and connection dimensions |
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L |
D |
D1 |
D2 |
b |
Z-d |
H |
D0 |
|
150LB |
||||||||
50 |
178 |
150 |
120.5 |
92 |
16 |
4-Φ19 |
323 |
200 |
65 |
190 |
180 |
139.5 |
105 |
18 |
4-Φ19 |
347 |
250 |
80 |
203 |
190 |
152.5 |
127 |
19 |
4-Φ19 |
383 |
250 |
100 |
229 |
230 |
190.5 |
157 |
24 |
8-Φ19 |
457 |
300 |
125 |
254 |
255 |
216 |
185.7 |
24 |
8-Φ22 |
632 |
300 |
150 |
267 |
280 |
241.5 |
216 |
26 |
8-Φ22 |
635 |
350 |
200 |
292 |
345 |
298.5 |
270 |
29 |
8-Φ22 |
762 |
350 |
250 |
330 |
405 |
362 |
324 |
31 |
12-Φ25 |
895 |
400 |
300 |
356 |
485 |
432 |
381 |
32 |
12-Φ25 |
1080 |
500 |
350 |
381 |
535 |
476 |
413 |
35 |
12-Φ29 |
1295 |
600 |
400 |
406 |
595 |
540 |
470 |
37 |
16-Φ29 |
1435 |
600 |
300LB |
||||||||
50 |
216 |
165 |
127 |
92 |
22 |
8-19 |
330 |
250 |
65 |
241 |
190 |
149 |
105 |
25 |
8-22 |
368 |
250 |
80 |
283 |
210 |
168.5 |
127 |
29 |
8-22 |
394 |
300 |
100 |
305 |
255 |
200 |
157 |
32 |
8-22 |
473 |
300 |
125 |
381 |
280 |
235 |
186 |
35 |
8-22 |
660 |
350 |
150 |
403 |
320 |
270 |
216 |
37 |
12-22 |
711 |
350 |
200 |
419 |
380 |
330 |
270 |
41 |
12-25 |
813 |
400 |
250 |
457 |
445 |
387.5 |
324 |
48 |
16-29 |
1003 |
500 |
300 |
502 |
520 |
451 |
381 |
51 |
16-32 |
1137 |
600 |
350 |
762 |
585 |
514.5 |
413 |
54 |
20-32 |
1489 |
600 |
400 |
838 |
650 |
571.5 |
470 |
57 |
20-32 |
1581 |
650 |