Nominal Pressure |
Nominal diameter | Face-to-face dimensions |
Flange connection dimensions | RF Sealing surface | Opening height |
(kg) Reference weight |
|||||
NPS | DN | L | D | K | n-L | C | d | f1 | H | ||
Class 150 |
11/2 | 40 | 165 | 125 | 98.4 | 4-16 | 15.9 | 73.0 | 2 | 630 | 42 |
2 | 50 | 178 | 150 | 120.7 | 4-18 | 17.5 | 92.1 | 2 | 640 | 45 | |
21/2 | 65 | 190 | 180 | 139.7 | 4-18 | 20.7 | 104.8 | 2 | 690 | 55 | |
3 | 80 | 203 | 190 | 152.4 | 4-18 | 22.3 | 127.0 | 2 | 750 | 68 | |
4 | 100 | 229 | 230 | 190.5 | 8-18 | 22.3 | 157.2 | 2 | 780 | 80 | |
5 | 125 | 254 | 255 | 215.9 | 8-22 | 22.3 | 185.7 | 2 | 850 | 110 | |
6 | 150 | 267 | 280 | 241.3 | 8-22 | 23.9 | 215.9 | 2 | 940 | 130 | |
8 | 200 | 292 | 345 | 298.5 | 8-22 | 27.0 | 269.9 | 2 | 1120 | 220 | |
10 | 250 | 330 | 405 | 362.0 | 12-26 | 28.6 | 323.8 | 2 | 1330 | 270 | |
12 | 300 | 356 | 485 | 431.8 | 12-26 | 30.2 | 381.0 | 2 | 1530 | 370 | |
14 | 350 | 381 | 535 | 476.3 | 12-30 | 33.4 | 412.8 | 2 | 1710 | 510 | |
16 | 400 | 406 | 595 | 539.8 | 16-30 | 35.0 | 469.9 | 2 | 1880 | 650 | |
18 | 450 | 432 | 635 | 577.9 | 16-33 | 38.1 | 533.4 | 2 | 2160 | 1150 | |
20 | 500 | 457 | 700 | 635.0 | 20-33 | 41.3 | 584.2 | 2 | 2360 | 1380 | |
24 | 600 | 508 | 815 | 749.3 | 20-36 | 46.1 | 692.2 | 2 | 2660 | 1520 | |
28 | 700 | 610 | 835 | 795.3 | 40-22 | 43.0 | 762 | 2 | 3350 | 2390 | |
32 | 800 | 660 | 940 | 900.1 | 48-22 | 44.6 | 864 | 2 | 3860 | 2890 | |
36 | 900 | 711 | 1055 | 1009.6 | 44-26 | 50.9 | 972 | 2 | 4280 | 3620 |
Note: For valves with PN1.6, 2.5 (MPa), flange dimensions as per JB/T 79.2 series 2 ; face-to-face dimensions as per GB/T 12221.
Valves with PN1.6, 2.5 (MPa) have the same opening height as that of 150LB valves, as shown in the table. Reference weight is given otherwise
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Nominal Pressure |
Nominal diameter | Face-to-face dimensions |
Flange connection dimensions | RF Sealing surface | Opening height |
(kg) Reference weight |
|||||
NPS | DN | L | D | K | n-L | C | d | f1 | H | ||
Class 300 |
11/2 | 40 | 190 | 155 | 114.3 | 4-22 | 19.1 | 73.0 | 2 | 640 | 45 |
2 | 50 | 216 | 165 | 127.0 | 8-18 | 20.7 | 92.1 | 2 | 650 | 50 | |
21/2 | 65 | 241 | 190 | 149.2 | 8-22 | 23.9 | 104.8 | 2 | 690 | 70 | |
3 | 80 | 283 | 210 | 168.3 | 8-22 | 27.0 | 127.0 | 2 | 750 | 80 | |
4 | 100 | 305 | 255 | 200.0 | 8-22 | 30.2 | 157.2 | 2 | 800 | 100 | |
5 | 125 | 381 | 280 | 235.0 | 8-22 | 33.4 | 185.7 | 2 | 910 | 180 | |
6 | 150 | 403 | 320 | 269.9 | 12-22 | 35.0 | 215.9 | 2 | 1000 | 210 | |
8 | 200 | 419 | 380 | 330.2 | 12-26 | 39.7 | 269.9 | 2 | 1160 | 250 | |
10 | 250 | 457 | 445 | 387.4 | 16-30 | 46.1 | 323.8 | 2 | 1350 | 420 | |
12 | 300 | 502 | 520 | 450.8 | 16-33 | 49.3 | 381.0 | 2 | 1620 | 590 | |
14 | 350 | 762 | 585 | 514.4 | 20-33 | 52.4 | 412.8 | 2 | 1820 | 870 | |
16 | 400 | 838 | 650 | 571.5 | 20-36 | 55.6 | 469.9 | 2 | 1930 | 1180 | |
18 | 450 | 914 | 710 | 628.6 | 24-36 | 58.8 | 533.4 | 2 | 2150 | 1380 | |
20 | 500 | 991 | 775 | 685.8 | 24-36 | 62.0 | 584.2 | 2 | 2350 | 1980 | |
24 | 600 | 1143 | 915 | 812.8 | 24-42 | 68.3 | 692.2 | 2 | 3060 | 2380 | |
28 | 700 | 1346 | 920 | 857.2 | 36-36 | 87.4 | 787 | 2 | 3400 | 3300 | |
32 | 800 | 1524 | 1055 | 977.9 | 32-42 | 101.6 | 902 | 2 | 4400 | 6400 | |
36 | 900 | 1727 | 1170 | 1089 | 32-45 | 101.6 | 1010 | 2 | -- | -- |
Note: For valves with 10.0 (MPa), flange dimensions as per JB/T 79.2 series 2 ; face-to-face dimensions as per GB/T 12221.
  Valves with PN10.0 (MPa) have the same opening height as that of 600LB valves, as shown in the table. Reference weight is given otherwise.  ote: For valves with PN4.0,6.3 (MPa), flange dimensions as per JB/T 79.2 series 2 ; face-to-face dimensions as per GB/T 12221.
  Valves with PN4.0,6.3 (MPa) have the same opening height as that of 300LB valves, as shown in the table. Reference weight is given otherwise.Pressure rating is 600LB flange dimensions is according to ASME B16.5 standards; Length of the structure are adopted to ASME B16.10, API6D standards, as shown in Table 1-20.
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ominal Pressure |
Nominal diameter | Face-to-face dimensions |
Flange connection dimensions | RF Sealing surface | Opening height |
(kg) Reference weight |
||||||||
NPS | DN | L | D | K | n-L | C | RF | RJ | H | |||||
RF | RJ | d | f1 | P | E | |||||||||
Class 600 |
11/2 | 40 | 241 | 241 | 155 | 114.3 | 4-22 | 22.3 | 73.0 | 7 | 90.5 | 6.35 | 650 | 60 |
2 | 50 | 292 | 295 | 165 | 127.0 | 8-18 | 25.4 | 92.1 | 7 | 108 | 7.92 | 650 | 70 | |
21/2 | 65 | 330 | 333 | 190 | 149.2 | 8-22 | 28.6 | 104.8 | 7 | 127 | 7.92 | 710 | 95 | |
3 | 80 | 356 | 359 | 210 | 168.3 | 8-22 | 31.8 | 127.0 | 7 | 146 | 7.92 | 765 | 110 | |
4 | 100 | 432 | 435 | 275 | 215.9 | 8-26 | 38.1 | 157.2 | 7 | 175 | 7.92 | 820 | 180 | |
5 | 125 | 508 | 511 | 330 | 266.7 | 8-30 | 44.5 | 185.7 | 7 | 210 | 7.92 | 960 | 270 | |
6 | 150 | 559 | 562 | 355 | 292.1 | 12-30 | 47.7 | 215.9 | 7 | 241 | 7.92 | 1050 | 330 | |
8 | 200 | 660 | 664 | 420 | 349.2 | 12-33 | 55.6 | 269.9 | 7 | 302 | 7.92 | 1250 | 620 | |
10 | 250 | 787 | 791 | 510 | 431.8 | 16-36 | 63.5 | 323.8 | 7 | 356 | 7.92 | 1450 | 980 | |
12 | 300 | 838 | 841 | 560 | 489.0 | 20-36 | 66.7 | 381.0 | 7 | 413 | 7.92 | 1720 | 1360 | |
14 | 350 | 889 | 892 | 605 | 527.0 | 20-39 | 69.9 | 412.8 | 7 | 457 | 7.92 | 2040 | 1720 | |
16 | 400 | 991 | 994 | 685 | 603.2 | 20-42 | 76.2 | 469.9 | 7 | 508 | 7.92 | 2150 | 2150 | |
18 | 450 | 1092 | 1095 | 745 | 654.0 | 20-45 | 82.6 | 533.4 | 7 | 575 | 7.92 | 2320 | 2980 | |
20 | 500 | 1194 | 1200 | 815 | 723.9 | 24-45 | 88.9 | 584.2 | 7 | 635 | 9.52 | 2650 | 3400 | |
24 | 600 | 1397 | 1407 | 940 | 838.2 | 24-51 | 101.6 | 692.2 | 7 | 749 | 11.13 | 3150 | 4700 |
Large-Scale production
Production workshop
The company has no box modeling automated production lines, Product appearance, size precisio highdensity, good sealing performance, the produc won the majority of user spraise.
Finished product workshop
sales service
Cumently, Our products have already exported to America, France, Australla, Italy and 20 other countries and regions. Our company insists on the concept of " Top Quality and Credit First" Which are carried out throughout the R&D, production, marketing, service and the like.Â
The use of our company valves in large factories
 Our products are superior in quality and moderate in price and are sure to be saleable in Major factories at home and abroad ,and our company has set up a number of tough emergency service team, on-site experienced engineers and senior echnicians, arrived on the scene in the fastest time for any problems,maintenance and replacement. besides, We are in a position to accept orders against customers samples specifying design, specifications and packaging requirements.Â
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Why Choose us? |
1.      Factory: |
our compang, is a specialist manufacturer, established since 1999 and professional production of industrial valves over 19years. |
2.      Regional Sale: |
We provide specialized sales service refers to different kind of region all over the world. Each sales team member is good at the local language and well experienced to the responsible market. |
3.      Low MOQ: |
Our factory owns the casting company by itself. We are always ready for providing the sample and producing some small orders, in order to meet the business well. |
4.      OEM or Customize: |
OEM Service or Customized size is Available. |
5.      We can make the products with the client's demand standard or the custom requirement. |
6.      Complete Solution: |
We are always ready to hear from you, be responding to your enquiry immediately. Our trade manager is always online for you. |
7.      High Quality: |
We have strict quality control system and amounts of testing equipments for different kind of valve, such as size, pressure, working environment etc. We are winning the market reputation with the time goes by. |
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